# John's Auto Care - Boulder At John’s Auto Care auto repair shop, the mechanics combine old fashion values with cutting-edge technology to provide world-class car repair services to the Boulder, CO. ## Pages - [Boulder Auto Repair](https://www.johnsautocareboulder.com): At John’s Auto Care auto repair shop, the mechanics combine old fashion values with cutting-edge technology to provide world-class car repair services to the Boulder, CO. - [ Boulder Auto Services](https://www.johnsautocareboulder.com/services): Leaders in Boulder car repair and service since 2005, we work on all import and domestic cars, SUVs and light trucks - [Specials](https://www.johnsautocareboulder.com/coupons): Take a look at our Specials. John's Auto Care - Boulder is dedicated to providing quality services at affordable prices. Use a coupon on your next visit. - [Appointments](https://www.johnsautocareboulder.com/appointments): - [About Us](https://www.johnsautocareboulder.com/about-us): At John’s Auto Care, we combine old-fashioned values with the very latest in auto repair technology. Leaders in Boulder car repair and service since 2005, we work on all import and domestic cars, SUVs and light trucks - [Contact Us](https://www.johnsautocareboulder.com/contactus): - [Reviews](https://www.johnsautocareboulder.com/reviews): John's Auto Care - Boulder believes actions speak louder than words, which is why we encourage you to read through the reviews left by our customers. - [Directions](https://www.johnsautocareboulder.com/directions): - [Write A Review](https://www.johnsautocareboulder.com/writeareview): At John's Auto Care - Boulder, we value feedback from our customers. Your review will help us to improve our service and help others learn about our business. - [Vehicles We Service](https://www.johnsautocareboulder.com/vehicles): Our Boulder automotive shop currently can be of assistance to owners of over a dozen brands of vehicles - [Opt-In](https://www.johnsautocareboulder.com/opt-in): - [Survey](https://www.johnsautocareboulder.com/survey): - [Check Engine Light Diagnostics in Boulder, CO](https://www.johnsautocareboulder.com/check-engine-light-diagnostics-in-boulder-co): When you need check engine light diagnostics in Boulder, CO, don't hesitate to visit the professionals at John's Auto Care. - [Alternator Repair and Services in Boulder County](https://www.johnsautocareboulder.com/alternator): Ensure your vehicle's safety and your peace of mind with reliable alternator repair services from John’s Auto Care. Schedule an appointment today! - [Brake Repair and Services in Boulder County](https://www.johnsautocareboulder.com/brakes): Trust the skilled technicians at John’s Auto Care - Boulder to provide top-notch brake repair and services. - [Clutch Repair and Services in Boulder County](https://www.johnsautocareboulder.com/clutch): At John’s Auto Care, we provide professional, comprehensive clutch repair and replacement services for all makes and models, including light trucks and SUVs. - [Engine Diagnostics in Boulder County](https://www.johnsautocareboulder.com/engine-diagnostics): Our Engine Diagnostics service is not just about finding problems; it's about providing solutions that keep you on the road safely. - [Oil Change Services in Boulder County](https://www.johnsautocareboulder.com/oil-change): Why Choose John’s Auto Care for Your Vehicle’s Oil Changes? Don't wait until your engine is crying out for help. Give your vehicle the care it deserves with our premium oil change service. - [Radiator Repair and Service in Boulder, CO](https://www.johnsautocareboulder.com/radiator): At John's Auto Care, our auto repair shop in Boulder, CO, is your trusted radiator repair expert. You can visit us or book your appointment online. - [Boulder Timing Belt Replacement](https://www.johnsautocareboulder.com/timing-belt-replacement): At John's Auto Care, we are your trusted timing belt replacement experts in Boulder, CO. Visit us or schedule your appointment online. - [Axle Repair and Services in Boulder County](https://www.johnsautocareboulder.com/axles): At John's Auto Care, we know axles! Our experienced team of ASE-certified technicians will accurately diagnose your problem and provide top-notch axle repair or replacement. - [Drivetrain Repair and Services in Boulder County](https://www.johnsautocareboulder.com/drivetrain): At John’s Auto Care, our skilled mechanics are experts at diagnosing and repairing drivetrain issues before they get out of hand, saving you money and headaches. - [Acura Repair and Service in Boulder, CO](https://www.johnsautocareboulder.com/acura-repair-services): John's Auto Care: Your Trusted Acura Repair Shop in Boulder County. ASE-certified mechanics, Acura-certified parts, free shuttle. - [Audi Service and Repair in Boulder County](https://www.johnsautocareboulder.com/audi-repair-services): Contact us today to schedule an appointment and discover why Audi owners in Boulder County choose us as their trusted destination for all their vehicle’s service and repair needs. - [BMW Service and Repair in Boulder County](https://www.johnsautocareboulder.com/bmw-repair-services): Experience the Difference: Expert BMW Service and Repair at John's Auto Care in Boulder County - [Buick Repair and Service in Boulder, CO](https://www.johnsautocareboulder.com/buick-repair-services): John's Auto Care: Your Buick Specialist Our team of certified technicians has extensive experience working with Buick models, including the Encore, Envision, Enclave, and Regal. - [Cadillac Repair and Service in Boulder, CO](https://www.johnsautocareboulder.com/cadillac-repair-services): Contact us today to schedule an appointment and discover why Cadillac owners in Boulder County choose us as their trusted destination for all their service and repair needs. Let us be your partner in keeping your vehicle running smoothly - [Chevrolet Service and Repair in Boulder County](https://www.johnsautocareboulder.com/chevrolet-repair-services): Contact us today to schedule an appointment and discover why Chevrolet owners in Boulder County choose us as their trusted destination for all their vehicle’s service and repair needs. - [Chrysler Repair and Service in Boulder, CO](https://www.johnsautocareboulder.com/chrysler-repair-services): Our certified technicians have extensive experience working with all models, ensuring that your vehicle receives top-notch care tailored to Chrysler's high standards. - [Dodge Service and Repair in Boulder County](https://www.johnsautocareboulder.com/dodge-repair-services): Whether you're tackling tough jobs on the worksite or exploring the great outdoors, trust your Dodge with the experts at John's Auto Care. - [Ford Service and Repair in Boulder County](https://www.johnsautocareboulder.com/ford-repair-services): To keep your Ford vehicle performing at its best, trust it with the experts at John's Auto Care in Boulder County. - [GMC Repair and Service in Boulder, CO](https://www.johnsautocareboulder.com/gmc-repair-services): Our certified technicians have extensive experience working with all models, including the Sierra, Acadia, Yukon, and Canyon, among others. This expertise enables us to deliver specialized care tailored to GMC's high standards - [GM Repair and Service in Boulder, CO](https://www.johnsautocareboulder.com/gm-repair-services): If you’re looking for high-quality GM repair and services in Boulder, CO, bring your vehicle to John's Auto Care. - [Honda Repair and Service in Boulder, CO](https://www.johnsautocareboulder.com/honda-repair-services): Whether you're embarking on a weekend trip to the mountains or navigating the bustling city streets, trust your Honda to the experts at John's Auto Care to experience our hassle-free service and exceptional expertise. - [Hyundai Repair and Service in Boulder, CO](https://www.johnsautocareboulder.com/hyundai-repair-services): Our certified technicians have extensive experience working with Hyundai models, including the Elantra, Tucson, Sonata, and Santa Fe, allowing us to deliver specialized care tailored to Hyundai's high standards. - [Infiniti Service and Repair in Boulder County](https://www.johnsautocareboulder.com/infiniti-repair-services): Contact us today to schedule an appointment and discover why Infiniti owners in Boulder County choose us as their trusted destination for all their vehicle’s service and repair needs. - [Jeep Repair and Service in Boulder, CO](https://www.johnsautocareboulder.com/jeep-repair-services): To make sure your vehicle is ready for all your on and off-road adventures, trust it with the experts at John's Auto Care in Boulder County. - [Kia Service and Repair in Boulder County](https://www.johnsautocareboulder.com/kia-repair-services): Contact us today to discover why Kia owners in Boulder County choose us as their trusted destination for all their vehicle’s service needs. - [Hummer Service and Repair in Boulder County](https://www.johnsautocareboulder.com/hummer-repair-services): Contact us today to schedule an appointment and discover why Hummer owners in Boulder County choose John's Auto Care as their trusted destination. - [Land Rover Service and Repair in Boulder, CO](https://www.johnsautocareboulder.com/land-rover-repair-services): Contact us today to schedule an appointment and discover why Land Rover owners in Boulder County choose us as their trusted destination for all their vehicle’s service and repair needs - [Lexus Service and Repair in Boulder County](https://www.johnsautocareboulder.com/lexus-repair-services): Contact us today to schedule an appointment and discover why Lexus owners in Boulder County choose us as their trusted destination for all their vehicle’s service and repair needs. - [Lincoln Service and Repair in Boulder County](https://www.johnsautocareboulder.com/lincoln-repair-services): Contact us today to schedule an appointment and discover why Lincoln owners in Boulder County choose John's Auto Care as their trusted destination. - [Mazda Repair and Service in Boulder, CO](https://www.johnsautocareboulder.com/mazda-repair-services): For professional Mazda repair in Boulder, CO, look no further than the specialists here at John's Auto Care. - [Mercedes-Benz Repair and Service in Boulder, CO](https://www.johnsautocareboulder.com/mercedes-benz-repair-services): When you need high-quality Mercedes-Benz repair in Boulder, CO, stop by the professionals here at John's Auto Care. - [MINI Repair and Service in Boulder, CO](https://www.johnsautocareboulder.com/mini-repair-services): If you’re looking for MINI repair in Boulder, CO, look no further than the professionals here at John's Auto Care. - [Mitsubishi Service and Repair in Boulder County](https://www.johnsautocareboulder.com/mitsubishi-repair-services): Contact us today and discover why Mitsubishi owners in Boulder County choose us as their trusted destination for all their vehicle’s service and repair needs. - [Nissan Service and Repair in Boulder County](https://www.johnsautocareboulder.com/nissan-repair-services): Contact us today and discover why Nissan owners in Boulder County choose us as their trusted destination for all their Nissan service needs. - [Scion Service and Repair in Boulder County](https://www.johnsautocareboulder.com/scion-repair-services): Contact us today and discover why Scion owners in Boulder County choose us as their trusted destination for all their vehicle’s service and repair needs. - [Subaru Service and Repair in Boulder County](https://www.johnsautocareboulder.com/subaru-repair-services): Whether you're exploring the Rocky Mountains or navigating city streets, trust your Subaru with the specialists at John's Auto Care. - [Toyota Repair and Service in Boulder, CO](https://www.johnsautocareboulder.com/toyota-repair-services): Precision and efficiency are the foundation of our service. To ensure your vehicle performs at its best, we exclusively use Toyota-certified parts for all repairs. - [Meet John & The Team](https://www.johnsautocareboulder.com/meet-johns-team): - [ASE-Certified Mechanics in Boulder, CO](https://www.johnsautocareboulder.com/ase-certified-mechanics): People choose to bring their vehicles to our shop in Boulder because they know that our team of technicians can be trusted as they are all ASE certified - [Wheel Alignment Services in Boulder County](https://www.johnsautocareboulder.com/wheel-alignment): At our alignment shop, the skilled mechanics have the necessary experience to provide car alignments for our Boulder clients. - [Careers](https://www.johnsautocareboulder.com/careers): - [Blog](https://www.johnsautocareboulder.com/blog): - [MotoVisuals](https://www.johnsautocareboulder.com/motovisuals): - [R1234yf Automotive AC Service and Repair in Boulder County](https://www.johnsautocareboulder.com/r1234yf-automotive-ac-service-and-repair): John’s Auto Care is excited to announce that we can now do AC Recharges on vehicles that use R1234yf refrigerant! - [Location](https://www.johnsautocareboulder.com/location): ## Blog Posts - [Preparation For Your Road Trip](https://www.johnsautocareboulder.com/blog/car-travel-preperation-road-trip): When school is out for the summer, road trips are a great way to have the family close together, and have fun. Before you head out on your ... - [3 Ways an Oil Change Inspection Can Save the Day](https://www.johnsautocareboulder.com/blog/prepping-car-warmer-months-3-ways-oil-change-inspection-can-save-day): Changing the oil is one of the most basic forms of maintenance for a vehicle. Without this service, you cannot expect your vehicle to run ... - [Car Travel — The Ultimate Arizona Road Trip](https://www.johnsautocareboulder.com/blog/car-travel-ultimate-arizona-road-trip): In the mood for a road trip? Why not head on down to Arizona to see some of the many beautiful sights there? If you are a nature ... - [Summer Roadtrips for Families: a Checklist](https://www.johnsautocareboulder.com/blog/summer-roadtrips-families-checklist): Summer is in full swing, and with the gorgeous weather comes the opportunity for many families to travel across the state, or even across ... - [Car Care Fundamentals Every College Student Should Know](https://www.johnsautocareboulder.com/blog/car-care-fundamentals-every-college-student-know): Over 20 million students head off to college every fall. Many of these undergrads are packing up their cars and going to out-of-state ... - [Car Travel Tips: 4 Colorado Roadtrips To Take This Summer](https://www.johnsautocareboulder.com/blog/car-travel-tips-4-colorado-roadtrips-take-summer): School is out and summer is here. That means it’s prime time for vacations. It’s a good year to consider car travel as an alternative to ... - [Car Travel – Roadtrips: How 1¢ Can Save You a Roadside Emergency](https://www.johnsautocareboulder.com/blog/car-travel-roadtrips-can-save-roadside-emergency): Heading out on the highway? Whether you’re looking for adventure or just following the beaten path to grandma’s house, a road trip is ... - [Roadtrips – Saving Money on Gasoline](https://www.johnsautocareboulder.com/blog/roadtrips-saving-money-gasoline): With gasoline prices slowly on the rise again and the summer roadtrip season approaching, we all like to know how to save money on ... - [Knowing the Fundamentals of What Your Car Needs: Fuel Mileage](https://www.johnsautocareboulder.com/blog/knowing-fundamentals-car-needs-fuel-mileage): Admit it. You’ve seen the warning light and ignored it until it was too late. You knew it was bound to happen. It always does, but you ... - [Why Waxing Your Car Is Important](https://www.johnsautocareboulder.com/blog/waxing-car-important): Are you one of the many people asking, “Why waxing your car is important?” Imagine not applying sunscreen to your skin all summer. We ... - [3 Ways Properly Caring for your Car Can Improve your Road Trip](https://www.johnsautocareboulder.com/blog/3-ways-properly-caring-car-can-improve-road-trip): When you are going on a road trip, there are several things you can do to prepare. While most of us consider the snacks we are going to ... - [Knowing the Fundamentals of What Your Car Needs: Fuel Injectors](https://www.johnsautocareboulder.com/blog/knowing-fundamentals-car-needs-fuel-injectors): Knowing the fundamentals of what your car needs is important. One such important aspect of your car is its fuel ... - [Responsibly Prepping Your Car For Warmer Months](https://www.johnsautocareboulder.com/blog/responsibly-prepping-you-car-for-warmer-months): Winter is known to wreak havoc on cars. Road salt can rust cars, and the subzero conditions can drain car batteries. We ... - [Rough Ride? Know The Health of Your Tires](https://www.johnsautocareboulder.com/blog/rough-ride-know-health-tires): We all know what driving a new car feels like. The smell of the leather is intoxicating. There isn’t a scratch in the paint, a ding on ... - [Car Travel Roadtrip: New Mexico](https://www.johnsautocareboulder.com/blog/car-travel-roadtrips-new-mexico): There are all sorts of fun and interesting spots less than a day’s drive from Boulder, CO. Popular New Mexico towns like ... - [How to Prepare for Cross-country Car Travel](https://www.johnsautocareboulder.com/blog/prepare-cross-country-car-travel): George and Martha plan to drive to New York on Interstate 80.  A long-awaited cross-country trip inspired a sense of ... - [Knowing the Fundamentals of What Your Car Needs: Calculating Gas Mileage](https://www.johnsautocareboulder.com/blog/knowing-fundamentals-car-needs-calculating-gas-mileage): Part of knowing the fundamentals of what your car needs, is being able to calculate its fuel efficiency as you drive ... - [Important Facts: The Fundamentals of What Your Car Needs](https://www.johnsautocareboulder.com/blog/important-facts-fundamentals-car-needs): As spring rolls into summer, people start to plan vacations, road trips, or just a casual Sunday drive.  In honor of ... - [Why You Need a Jump Box for Your Roadtrip](https://www.johnsautocareboulder.com/blog/need-jump-box-roadtrip): Road trips are an excellent idea for anyone who is looking to have a good time. Not only do you have the ... - [Start Spring In The Clear With Clean Wiper Blades](https://www.johnsautocareboulder.com/blog/start-spring-clear-clean-wiper-blades): Prepping your car for warmer months is one of the most important maintenance cycles you can keep.  The ... - [Importance of synthetic oil in prepping your car for warmer months](https://www.johnsautocareboulder.com/blog/importance-synthetic-oil-prepping-car-warmer-months-2): As we hit the warmer months, the perfect time approaches to pack the car and venture out, whether just for the day, or ... - [Auto Care Checklist For Your Roadtrips](https://www.johnsautocareboulder.com/blog/auto-care-checklist-roadtrips-2): So, you’ve finally done it. You’ve picked your destination, planned your route, and all your friends are with you. You’re ready to ... - [Prepping Your Car for Warmer Months: Tips and Tricks to Summerize Your Car](https://www.johnsautocareboulder.com/blog/auto-care-checklist-roadtrips): You’ve certainly heard of preparing your car for the winter months — also called winterizing — but did you know that you ... - [Align and Balance Your Wheels Before Your Next Road Trip](https://www.johnsautocareboulder.com/blog/importance-synthetic-oil-prepping-car-warmer-months): You’re looking to travel the open road again and make some new memories. But you aren’t sure if your car is up for the ... - [Car travel: Switch to High Performance Summer Tires for Road Trips](https://www.johnsautocareboulder.com/blog/high-performance-summer-tires-roadtrips): While we often think to switch to snow tires during the winter, there are also advantages of using summer tires for car ... - [Battery Replacement At John’s Auto Care In Boulder](https://www.johnsautocareboulder.com/blog/battery-replacement-at-johns-auto-care-in-boulder): Hello, welcome to John’s Auto Care. Today’s focus is batteries. It seems like everything in Boulder runs on batteries. Of course, the ... - [Go Straight: Wheel Alignment For Boulder Automobiles](https://www.johnsautocareboulder.com/blog/go-straight-wheel-alignment-for-boulder-automobiles): Eldorado Springs auto owners may have an alignment problem if their car drifts or pulls to one side, the steering wheel’s off center, they ... - [Shake It Up in Boulder!: Why Wheel Balancing](https://www.johnsautocareboulder.com/blog/shake-it-up-in-boulder-why-wheel-balancing): Our vehicles are not massage chairs. While we may enjoy a good vibration in an overstuffed recliner, us Boulder auto owners generally want ... - [Stay Headed In The Right Direction, Boulder](https://www.johnsautocareboulder.com/blog/stay-headed-in-the-right-direction-boulder): Power steering is standard on nearly every car and truck in Boulder, CO these days. Now there are some exotic, new types of power steering ... - [Fuel Injection Basics For Boulder](https://www.johnsautocareboulder.com/blog/fuel-injection-basics-for-boulder): All modern Boulder vehicles come with fuel injection systems, so it’s a topic Eldorado Springs auto owners need to know something about. ... - [Community Corner is Coming Soon!](https://www.johnsautocareboulder.com/blog/community-corner-is-coming-soon): Check back to see our first posts. - [Higher Mileage Service Intervals For Boulder](https://www.johnsautocareboulder.com/blog/higher-mileage-service-intervals-for-boulder): Boulder auto owners have probably noticed that the government mandates a lot of equipment on cars: emission devices and control computers; ... - [Gas Savings In Boulder: Sharpen Your Pencil](https://www.johnsautocareboulder.com/blog/gas-savings-in-boulder-sharpen-your-pencil): High gas prices in Boulder increase the cost of living for COdrivers. You’ve probably budgeted a certain amount for vehicle related ... - [The John’s Auto Care Guide for Boulder Drivers: When to Replace Your Wiper Blades](https://www.johnsautocareboulder.com/blog/the-johns-auto-care-guide-for-boulder-drivers-when-to-replace-your-wiper-blades): There are several essential factors that go into how often Boulder auto owners should replace their wiper blades. Of course, the more you ... - [Fresh Air Inside Your Car in Boulder](https://www.johnsautocareboulder.com/blog/fresh-air-inside-your-car-in-boulder): Air quality has certainly become a hot issue in our modern Boulder world. We install air filters on our ventilation systems and in our ... - [Keeping Your Engine Cool In Boulder, CO](https://www.johnsautocareboulder.com/blog/keeping-your-engine-cool-in-boulder-co): The cooling system keeps CO car owners’s engines from overheating while they are driving around Boulder, Boulder and Louisville. Its job is ... - [Tire Tread Depth for Boulder, CO Drivers](https://www.johnsautocareboulder.com/blog/tire-tread-depth-for-boulder-co-drivers): Driving on bald tires is like playing roulette. Though you may be fine today, eventually your luck is going to run out. The Feds don’t have ... - [Wheel Balancing at John’s Auto Care](https://www.johnsautocareboulder.com/blog/wheel-balancing-at-johns-auto-care): So you love your job, and your family life is great. Congratulations! You have achieved balance. But can you say the same for your wheels? ... - [Why People In Boulder Hesitate to Get their Vehicle Serviced](https://www.johnsautocareboulder.com/blog/why-people-in-boulder-hesitate-to-get-their-vehicle-serviced): A recent report stated that over 80 percent of the vehicles on our Boulder CO roads have one or more service or repair that’s needed, but ... - [What To Do In Case Of An Accident](https://www.johnsautocareboulder.com/blog/what-to-do-in-case-of-an-accident): If you’ve ever been in a car accident around Boulder CO, even a minor one, you know how upsetting it can be. It’s hard to think straight and ... - [John’s Auto Care Auto Tips and Videos: Battery Testing](https://www.johnsautocareboulder.com/blog/johns-auto-care-auto-tips-and-videos-battery-testing): The simple fact is that 70% of car batteries fail within 4 years. They just need to be replaced when they are no longer able to hold a full ... - [The Fallacy of Cheap Tires](https://www.johnsautocareboulder.com/blog/the-fallacy-of-cheap-tires): Do you ever shop for shoes in one of our Eldorado Springs area shoe stores? When buying a running shoe, is quality important? Does ... - [Are There Blind Spots In Boulder CO?](https://www.johnsautocareboulder.com/blog/are-there-blind-spots-in-boulder-co): All Boulder drivers have blind spots – and no, I’m not talking about the fact that you really don’t sing like Adele. I mean the areas of ... - [Coolant Antifreeze Service In Boulder, CO](https://www.johnsautocareboulder.com/blog/coolant-antifreeze-service-in-boulder-co): Boulder auto owners may know that most automotive failures in Boulder, CO are tire related, but do you know the second most common cause for ... - [Drive Defensively In CO](https://www.johnsautocareboulder.com/blog/drive-defensively-in-co): Car care is a vital part of auto safety in Boulder. But the most important thing we can do to improve safety on CO roads is to drive ... - [Cool Breeze: Air Conditioning Service At John’s Auto Care In Boulder](https://www.johnsautocareboulder.com/blog/cool-breeze-air-conditioning-service-at-johns-auto-care-in-boulder): Most CO car owners know that their vehicles need regular preventive maintenance like changing the oil and filters, rotating the tires and ... - [PCV Valve Service At John’s Auto Care In Boulder](https://www.johnsautocareboulder.com/blog/pcv-valve-service-at-johns-auto-care-in-boulder): Today, we are talking about your PCV valve. The PCV Valve is a little, inexpensive part that does a key job for Boulder car owners. PCV ... - [Fuel System Cleaning at John’s Auto Care in Boulder for Better Performance](https://www.johnsautocareboulder.com/blog/fuel-system-cleaning-at-johns-auto-care-in-boulder-for-better-performance): A fuel injector is a valve that delivers fuel to a vehicle’s engine. It has to deliver the precise amount of fuel, to precisely the right ... - [Fuel System Cleaning at John’s Auto Care for Better Performance](https://www.johnsautocareboulder.com/blog/fuel-system-cleaning-at-johns-auto-care-for-better-performance): Hi Boulder auto owners. Let’s talk fuel injectors. A fuel injector is a valve that delivers fuel to a vehicle’s engine. It has to deliver ... - [John’s Auto Care On Your Serpentine Belt](https://www.johnsautocareboulder.com/blog/johns-auto-care-on-your-serpentine-belt): Today we’re going to be talking about serpentine belts for our Boulder, CO customers. Let’s start by talking about the accessories that are ... - [Go Big or Go Home: Upsize Your Wheels at John’s Auto Care](https://www.johnsautocareboulder.com/blog/go-big-or-go-home-upsize-your-wheels-at-johns-auto-care): A lot of us Boulder drivers like our vehicles to reflect our personalities. We’re picky about color and body style. We’ll customize anything ... - [Maintaining Your Diesel in Eldorado Springs](https://www.johnsautocareboulder.com/blog/maintaining-your-diesel-in-eldorado-springs): Diesel engines have been used extensively in Europe and Asia for many years. They haven’t been as common in Eldorado Springs because of the ... - [E-85 Fuel Safety Advice From John’s Auto Care](https://www.johnsautocareboulder.com/blog/e-85-fuel-safety-advice-from-johns-auto-care): Today at John’s Auto Care we want to talk with you about a very important safety issue. This automotive safety warning is coming from a ... - [Put On The Brakes: Brake Service At John’s Auto Care](https://www.johnsautocareboulder.com/blog/put-on-the-brakes-brake-service-at-johns-auto-care): When it comes to preventive maintenance and car care, most Boulder motorists know how critical it is to check their brakes. But brakes are ... - [TPMS: Tire Pressure Monitoring For Your Boulder Auto](https://www.johnsautocareboulder.com/blog/tpms-tire-pressure-monitoring-for-your-boulder-auto): Boulder car owners may know that all 2008 model year and newer cars, mini-vans and light trucks in Boulder come with a tire pressure ... - [Super Slick at John’s Auto Care in Boulder: Synthetic Oil](https://www.johnsautocareboulder.com/blog/super-slick-at-johns-auto-care-in-boulder-synthetic-oil): When you get an oil change, it’s always a safe bet to just use the type of oil the auto manufacturer recommends. But sometimes we’re asked ... - [Blind Spot Safety For Boulder Driving](https://www.johnsautocareboulder.com/blog/blind-spot-safety-for-boulder-driving): Blind spots may be a good thing when it comes to a spouse’s annoying habits, but when driving an automobile in Boulder, they are definitely ... - [Stop It! You Need Good Brakes](https://www.johnsautocareboulder.com/blog/stop-it-you-need-good-brakes): Good brakes are obviously very important. If you’ve ever had your brakes go out while you’re driving around the Eldorado Springs area, ... - [The Harm In Skipping An Oil Change For Boulder Drivers](https://www.johnsautocareboulder.com/blog/the-harm-in-skipping-an-oil-change-for-boulder-drivers): People in Boulder have been hearing a lot about higher oil change intervals these days. Maybe you’re wondering: What are the key issues? ... - [Below 45 Degrees in Boulder: Consider Winter Tires](https://www.johnsautocareboulder.com/blog/below-45-degrees-in-boulder-consider-winter-tires): Remember snow tires? They were basically just regular tires with big, knobby lugs to get them through deep snow. They were loud and rode ... - [Cool Running In Boulder](https://www.johnsautocareboulder.com/blog/cool-running-in-boulder): Unless you live in Death Valley, you really don’t hear much any more about cars overheating. That’s because cooling systems in vehicles have ... - [Hey Boulder Drivers; What Is The Most Distracting Food?](https://www.johnsautocareboulder.com/blog/hey-boulder-drivers-what-is-the-most-distracting-food): So what is the most distracting food to have in the car while driving around Boulder?Is it:A Hamburger;Coffee;A Soft Drink, orGummy ... - [Selecting New Tires and Wheels](https://www.johnsautocareboulder.com/blog/selecting-new-tires-and-wheels): Some of us Boulder drivers just love tires. All those little rubber hairs on new tires and the smell is wonderful. Boulder motorists live ... - [The John’s Auto Care Guide To Caring For Your Transmission](https://www.johnsautocareboulder.com/blog/the-johns-auto-care-guide-to-caring-for-your-transmission): Most cars and trucks have automatic transmissions, yet a lot of Lafayette motorists only have a fuzzy understanding about what a ... - [Protecting Your family car From Theft In Boulder, CO](https://www.johnsautocareboulder.com/blog/protecting-your-family-car-from-theft-in-boulder-co): Every car in Boulder, CO is at risk for theft. So it’s up to us Boulder drivers to make our cars a less appealing target and more of a ... - [Keep Your Tires Well Rounded in Boulder: Tire Rotation and Wheel Balancing at John’s Auto Care](https://www.johnsautocareboulder.com/blog/keep-your-tires-well-rounded-in-boulder-tire-rotation-and-wheel-balancing-at-johns-auto-care): Taking care of our tires is a vital part of car care for Boulder drivers. We know they have to be replaced when they wear out, but tires ... - [Synthetic Oil For Boulder Autos](https://www.johnsautocareboulder.com/blog/synthetic-oil-for-boulder-autos): If you aren’t currently using synthetic motor oil in your Boulder vehicle, maybe now’s the time to consider it. Need more information? ... - [Using Proper Fluids In Your family car Or Other Vehicle](https://www.johnsautocareboulder.com/blog/using-proper-fluids-in-your-family-car-or-other-vehicle): Today John’s Auto Care is talking about the proper fluids for your vehicle. It’s become more complicated with changes in automotive design ... - [Eldorado Springs Safety Systems: Tire Pressure Monitoring System](https://www.johnsautocareboulder.com/blog/eldorado-springs-safety-systems-tire-pressure-monitoring-system): Flats, blow outs, skids and longer stopping distances can all be the result of Boulder car owners driving around on under-inflated tires. ... - [Drive Train Service in Boulder at John’s Auto Care](https://www.johnsautocareboulder.com/blog/drive-train-service-in-boulder-at-johns-auto-care): The drive train in your vehicle includes all the critical components that transfer power from the transmission to the wheels. Those ... - [What is That? Check Engine Light Service At John’s Auto Care](https://www.johnsautocareboulder.com/blog/what-is-that-check-engine-light-service-at-johns-auto-care): Okay. You went to your local Boulder car wash and while your family car was under the dryer, the check engine light started flashing. Panic! ... - [Brake Service at John’s Auto Care in Boulder](https://www.johnsautocareboulder.com/blog/brake-service-at-johns-auto-care-in-boulder): Brakes really aren’t optional equipment for Boulder drivers. And taking care of them isn’t optional either. A regular brake inspection is ... - [Timing Belt](https://www.johnsautocareboulder.com/blog/timing-belt): Ever heard the sad tale of a staggeringly pricey repair bill from a broken timing belt? Bad news. Let’s Boulder car owners take a lesson ... - [It’s About Time: Following Service Intervals at John’s Auto Care](https://www.johnsautocareboulder.com/blog/its-about-time-following-service-intervals-at-johns-auto-care): There are a lot of things in life that Boulder residents have to do on a regular basis. We wash dishes every day, do our laundry and mow our ... - [What Boulder Automotive Service Consumers Should Know](https://www.johnsautocareboulder.com/blog/what-boulder-automotive-service-consumers-should-know): There are some things Boulder auto owners should know about Boulder car service and repair. First and foremost, John’s Auto Care cares ... - [Boulder Drivers: Get Fresh Air Inside Your Car](https://www.johnsautocareboulder.com/blog/boulder-drivers-get-fresh-air-inside-your-car): Let’s talk about air quality in Boulder. It’s a global issue, but affects us wherever we are. Many decades ago, Boulder motorists began to ... - [Under Pressure in Boulder: TPMS](https://www.johnsautocareboulder.com/blog/under-pressure-in-boulder-tpms): Have you noticed an increase in price when you get a flat fixed in Boulder or your tires rotated? It might be the result of your TPMS, or ... - [Commitment to Make Your family car Last At John’s Auto Care](https://www.johnsautocareboulder.com/blog/commitment-to-make-your-family-car-last-at-johns-auto-care): For advice on how to make your family car last longer, visit us at John’s Auto Care 1900 55th St. #104 Boulder, CO 80301303.442.2932 These ... - [Differential Service At John’s Auto Care: Viva la Difference](https://www.johnsautocareboulder.com/blog/differential-service-at-johns-auto-care-viva-la-difference): Every family car on CO expressways has a differential, and it is essential to the proper operation of the vehicle, but most Boulder auto ... - [Easy Miles](https://www.johnsautocareboulder.com/blog/easy-miles-do-boulder-driving-conditions-affect-service-intervals): Have you ever noticed that your vehicle manufacturer has a schedule in your owner’s manual for what is called “severe service” maintenance? ... - [Clean Fuel Makes a Happy Engine In Boulder, CO](https://www.johnsautocareboulder.com/blog/clean-fuel-makes-a-happy-engine-in-boulder-co): If the fuel system in your family car is dirty, you will be hurting your MPG and losing performance as you drive around Boulder, CO. ... - [Helping Boulder Drivers Get the Right Tires](https://www.johnsautocareboulder.com/blog/helping-boulder-drivers-get-the-right-tires): Every Boulder vehicle owner has to purchase tires at some time or another, so it’s a good idea to understand what the choices are. The best ... - [On Board Diagnostics For Boulder Motorists](https://www.johnsautocareboulder.com/blog/on-board-diagnostics-for-boulder-motorists): Some Boulder motorists wonder why John’s Auto Care and other Boulder auto repair shops charge a fee for diagnostic services.Think about it: ... - [Boulder Alignment Service](https://www.johnsautocareboulder.com/blog/boulder-alignment-service): Your car might have an alignment problem if: it drifts or pulls to one side, your steering wheel is off center, you have uneven tire wear ... - [John’s Auto Care Tire Safety: Washington vs. Lincoln](https://www.johnsautocareboulder.com/blog/johns-auto-care-tire-safety-washington-vs-lincoln): Your browser does not support video Welcome to the John’s Auto Care automotive blog. Today, let’s talk about the effect of tire tread depth ... - [On Board Diagnostics For Your family car](https://www.johnsautocareboulder.com/blog/on-board-diagnostics-for-your-family-car): Make an appointment with John’s Auto Care to have your on board diagnostics analyzed. 1900 55th St. #104 Boulder, CO 80301303.442.2932 ... - [Your Well Trained Technician At John’s Auto Care](https://www.johnsautocareboulder.com/blog/your-well-trained-technician-at-johns-auto-care): When your family car has a problem, or just needs some routine service, you might get a little nervous. Your car’s so important to your life ... - [Fuel Saving Tip: Fuel System Cleaning Near Louisville CO](https://www.johnsautocareboulder.com/blog/fuel-saving-tip-fuel-system-cleaning-near-louisville-co): A lot of gas is wasted in the Louisville area by dirty fuel delivery systems. Let’s start at the tank. The gas tank gathers dirt, rust and ... - [The John’s Auto Care Guide To Custom Wheels](https://www.johnsautocareboulder.com/blog/the-johns-auto-care-guide-to-custom-wheels): Your browser does not support videoIf you’re interested in customizing the wheels and tires on your family car, there are a few things you ... - [John’s Auto Care Guide To Using the Correct Fluids in Your Vehicle](https://www.johnsautocareboulder.com/blog/johns-auto-care-guide-to-using-the-correct-fluids-in-your-vehicle): Today’s John’s Auto Care post focuses on using the proper fluids for your vehicle. Significant advancements in automotive technology have ... - [Gear Up: Transmission Service at John’s Auto Care in Boulder](https://www.johnsautocareboulder.com/blog/gear-up-transmission-service-at-johns-auto-care-in-boulder): Your browser does not support videoThe transmission system in your vehicle allows you to change gears. Lower gears are power gears. They get ... - [Wiper Blades In CO](https://www.johnsautocareboulder.com/blog/wiper-blades-in-co): If you’re gonna drive around the Eldorado Springs area, you’ve got to be able to see! So having a good pair of windshield wipers is ... - [A New Battery In Boulder](https://www.johnsautocareboulder.com/blog/a-new-battery-in-boulder): Your browser does not support videoHello Boulder drivers, let’s talk about batteries. Car batteries are just like any rechargeable battery. ... - [Technician Training at John’s Auto Care](https://www.johnsautocareboulder.com/blog/technician-training-at-johns-auto-care): Your car is important to you and keeping it running properly is vital to your Boulder lifestyle. That’s why you’re smart to have it ... - [The John’s Auto Care Guide to Saving Fuel: Car Weight](https://www.johnsautocareboulder.com/blog/the-johns-auto-care-guide-to-saving-fuel-car-weight): Your browser does not support video The team at John’s Auto Care in Boulder and CO car owners are all talking fuel efficiency right now. ... - [ICE – In Case Of Emergency In Boulder CO](https://www.johnsautocareboulder.com/blog/ice-in-case-of-emergency-in-boulder-co): When accidents occur in Boulder, CO, the victims’ emergency contacts are extremely important. Too often, those involved aren’t able to ... - [Buying the Right Tires and Wheels In Boulder CO](https://www.johnsautocareboulder.com/blog/buying-the-right-tires-and-wheels-in-boulder-co): Everyone in Boulder CO eventually replaces their tires, whether it’s because they’re worn out or they’re just looking for something ... - [Hey Boulder Drivers, How Many Miles Are On Your Car?](https://www.johnsautocareboulder.com/blog/hey-boulder-drivers-how-many-miles-are-on-your-car): Nowadays, Boulder drivers are paying more at Eldorado Springs gas pumps. For some families in the greater Eldorado Springs area, it adds up ... - [Straight And True In Boulder: Wheel Alignment](https://www.johnsautocareboulder.com/blog/straight-and-true-in-boulder-wheel-alignment): Your browser does not support videoMost Eldorado Springs folks worry about running out of gas or having a breakdown on the side of the road. ... - [Fuel Saving Tip: Car Weight And Your CO Driving](https://www.johnsautocareboulder.com/blog/fuel-saving-tip-car-weight-and-your-co-driving): Weight is the enemy of fuel economy. Everyone from here to Boulder knows this makes sense. Some of us in the Boulder area carry a bunch of ... - [John’s Auto Care Often Asked About Premium vs. Regular Gas](https://www.johnsautocareboulder.com/blog/johns-auto-care-often-asked-about-premium-vs-regular-gas): Boulder motorists often ask the question: “Will using premium gas make my car run better?” The answer is simple. But first, let’s talk ... - [Service to Improve Fuel Economy](https://www.johnsautocareboulder.com/blog/service-to-improve-fuel-economy): The price of gas in CO has got Boulder auto owners talking. It seems that Boulder folks who need a bigger vehicle to carry family and gear, ... - [Talk To John’s Auto Care About New Shoes For Your Vehicle](https://www.johnsautocareboulder.com/blog/talk-to-johns-auto-care-about-new-shoes-for-your-vehicle): Your browser does not support videoCustom wheels are one way that Boulder folks express themselves and personalize their family car. But ... - [Watching Your Check Engine Light](https://www.johnsautocareboulder.com/blog/watching-your-check-engine-light): Did you know that most of the cars driving around Boulder, CO carry more computer power than the Apollo 121 Lunar Module that landed on the ... - [Boulder Drivers Severe Service Maintenance Schedules](https://www.johnsautocareboulder.com/blog/boulder-drivers-severe-service-maintenance-schedules): Since driving requirements and lifestyles differ among Boulder motorists, family car auto makers publish two auto maintenance schedules: ... - [How Much is Enough for Eldorado Springs Auto Owners? Tire Tread Depth](https://www.johnsautocareboulder.com/blog/how-much-is-enough-for-eldorado-springs-auto-owners-tire-tread-depth): Your browser does not support videoMost Eldorado Springs car owners know that tires wear out and that the wear has to do with tread depth. ... - [Fuel Filter Service in Boulder CO](https://www.johnsautocareboulder.com/blog/fuel-filter-service-in-boulder-co): There are a surprising number of small, inexpensive parts that can lead to expensive engine damage when they fail. It doesn’t seem right. ... - [Cooling System Components](https://www.johnsautocareboulder.com/blog/cooling-system-components): Today we want to talk about a critical system in our cars – the cooling system. It’s one of those things that Boulder drivers don’t give ... - [Check Your Shocks and Struts at John’s Auto Care](https://www.johnsautocareboulder.com/blog/check-your-shocks-and-struts-at-johns-auto-care): Today we’re talking to Boulder auto owners about shocks and struts. They’re so easy for CO folks to forget about because they last so long ... - [John’s Auto Care Fuel Saving Tip for Boulder: Check Engine Light](https://www.johnsautocareboulder.com/blog/johns-auto-care-fuel-saving-tip-for-boulder-check-engine-light): Here’s a question for Boulder, CO car owners: How long have you been enjoying the romantic glow of your check engine light? Hey, it’s not ... - [Make Your Battery Last](https://www.johnsautocareboulder.com/blog/make-your-battery-last): Today’s report from John’s Auto Care is on car batteries, why they die and what we can do to lengthen their life. Most of us have had a ... - [Keep Your Boulder Car Breathing Free: Engine Air Filter](https://www.johnsautocareboulder.com/blog/keep-your-boulder-car-breathing-free-engine-air-filter): Hey Boulder motorists – this is something really amazing: For every gallon of gas your family car burns, it uses 12,000 gallons of air. All ... - [Timing Belt Service to Save Big Bucks in Boulder](https://www.johnsautocareboulder.com/blog/timing-belt-service-to-save-big-bucks-in-boulder): Your engine is like a finely choreographed dance. All the parts have to work together. If the timing is off at the ballet, dancers crash ... - [Is Your Boulder Driving Severe?](https://www.johnsautocareboulder.com/blog/is-your-boulder-driving-severe): People near Boulder CO often ask John’s Auto Care how often they should have a particular service done. It’s a great thing to ask. You can ... - [Can Car Scent Keep You Safe On CO Roads?](https://www.johnsautocareboulder.com/blog/can-car-scent-keep-you-safe-on-co-roads): Here’s a travel tip that’ll I’ll bet you didn’t know, and, it might keep you safer… The average American commuter in CO spends two and a ... - [10 Services Boulder drivers Often Overlook](https://www.johnsautocareboulder.com/blog/10-services-boulder-drivers-often-overlook): We live such busy lives nowadays: work, social events, running the kids all over Boulder. Some days it’s all we can do to keep track of ... - [Upsizing Wheels and Tires With John’s Auto Care](https://www.johnsautocareboulder.com/blog/upsizing-wheels-and-tires-with-johns-auto-care): At AutoNetTV we love doughnuts. So let’s pretend you have three doughnuts right in front of you for today’s discussion about upsizing ... - [Save Fuel By Watching Your Weight](https://www.johnsautocareboulder.com/blog/save-fuel-by-watching-your-weight): Most Boulder auto owners are all talking fuel economy right now. Better gas mileage. Fewer emissions. CO folks want to save the environment ... - [Clean Fuel](https://www.johnsautocareboulder.com/blog/clean-fuel-clean-performance-for-boulder-drivers): Your browser does not support videoFuel filters clean the dirt, dust and debris out of your fuel. Both gasoline and diesel-powered engines ... - [Which Item is Most Stolen from Vehicles in Boulder?](https://www.johnsautocareboulder.com/blog/which-item-is-most-stolen-from-vehicles-in-boulder): Which item is most often stolen from vehicles in Boulder? Is it:StereoWheelsAir BagDVD SystemWell, if you said stereo – you used to be ... - [Finding Vehicle Recall Information In Boulder CO](https://www.johnsautocareboulder.com/blog/finding-vehicle-recall-information-in-boulder-co): No matter how well they’re made, vehicles in Boulder, CO will have design or manufacturing problems. And when the government thinks a ... - [Battery Replacement For Your family car](https://www.johnsautocareboulder.com/blog/battery-replacement-for-your-family-car): Modern cars and trucks in and around Boulder run on 12 volt electrical systems. 12 volts is enough to get the job done for Boulder car ... - [Give Your Engine Clean Fuel With A New Fuel Filter From John’s Auto Care](https://www.johnsautocareboulder.com/blog/give-your-engine-clean-fuel-with-a-new-fuel-filter-from-johns-auto-care): Your family car requires plenty of clean fuel to run. If your fuel contains contaminants, your fuel injectors will eventually become clogged ... - [Saving Lives In Boulder With Tire Pressure](https://www.johnsautocareboulder.com/blog/saving-lives-in-boulder-with-tire-pressure): All new passenger vehicles on our Boulder CO roads now have tire pressure monitoring systems – TPMS for short. They are designed to alert ... - [Following Recommended Intervals For Your family car](https://www.johnsautocareboulder.com/blog/following-recommended-intervals-for-your-family-car): If you’re reading this article in Boulder, CO, then you probably care about your car and how it runs. Even though you care, there is still ... - [Fuel Saving Tip: Tire Pressure Saves Fuel In Lafayette](https://www.johnsautocareboulder.com/blog/fuel-saving-tip-tire-pressure-saves-fuel-in-lafayette): Under-inflated tires waste gas for lots of folks in the Lafayette area. Think how hard it is to walk in sand – you just have to work harder ... - [How Your Check Engine Light Works](https://www.johnsautocareboulder.com/blog/how-your-check-engine-light-works): Have you ever had an experience like this in Boulder CO? You drive through the one of those automatic car washes. When you get to the end, ... - [Drive Train – What You Need to Know In Boulder](https://www.johnsautocareboulder.com/blog/drive-train-what-you-need-to-know-in-boulder): One Boulder automotive service issue that doesn’t get much attention is driveline service. Drivelines don’t get talked about very much ... - [All About Your TPMS In Boulder](https://www.johnsautocareboulder.com/blog/all-about-your-tpms-in-boulder): Boulder car owners know that under-inflated tires wear out more quickly. Under-inflation is also a major cause of tire failure for CO auto ... - [Does Your Car Have A Recall Item?](https://www.johnsautocareboulder.com/blog/does-your-car-have-a-recall-item): No matter how well they’re made, cars are bound to have problems with their design or manufacturing. Think of all the moving parts. When ... - [Keeping Your Car Young In Boulder](https://www.johnsautocareboulder.com/blog/keeping-your-car-young-in-boulder): As Boulder consumers, we live in a disposable society. It’s amazing all the stuff we throw away. New stuff comes out so fast, and much of ... - [Keep Your Cool In Eldorado Springs: Air Conditioning Service](https://www.johnsautocareboulder.com/blog/keep-your-cool-in-eldorado-springs-air-conditioning-service): Most Eldorado Springs motorists don’t even think about their car air conditioning system unless it fails. That’s because many Boulder and ... - [Maintenance Free Myth](https://www.johnsautocareboulder.com/blog/maintenance-free-myth): Sometimes we hear people say, “What’s up with all this maintenance stuff? Modern cars just don’t break down.” While it is true that today’s ... - [Automobile Fluids For Your family car](https://www.johnsautocareboulder.com/blog/automobile-fluids-for-your-family-car): If you’ve walked through the automotive fluids of an auto parts store in Eldorado Springs, you’ll know how overwhelming the sheer number of ... - [Make Your Vehicle Last](https://www.johnsautocareboulder.com/blog/make-your-vehicle-last): We live in such a disposable society. It’s amazing all the stuff we throw away. New stuff comes out so fast, we just toss the old and move ... - [Fuel Saving Tip: Slow Down Around Boulder](https://www.johnsautocareboulder.com/blog/fuel-saving-tip-slow-down-around-boulder): There’s not much we can do about the price of gas in Boulder CO, but we do quite a bit about how much we use as we’re driving on our ... - [Fuel Injection: It Keeps Getting Better for Boulder Drivers](https://www.johnsautocareboulder.com/blog/fuel-injection-it-keeps-getting-better-for-boulder-drivers): Your browser does not support videoBoulder drivers know that engines need to burn fuel to operate. Fuel is pumped from your fuel tank to ... - [The John’s Auto Care Guide To Tire Specs](https://www.johnsautocareboulder.com/blog/the-johns-auto-care-guide-to-tire-specs): You know you need new tires, but you’re not sure what type. You look at a tire to get the size: 225, 50, R, 16, 92, H. All the way to the ... - [Looking Down the Road – Headlamps](https://www.johnsautocareboulder.com/blog/looking-down-the-road-headlamps): If you’ve ever been driving around Boulder and had a headlamp go out, you’ve probably just wanted to replace the bad bulb. If your car uses ... - [Professional Fuel System Cleaning](https://www.johnsautocareboulder.com/blog/professional-fuel-system-cleaning): Getting adequate fuel to your engine is very important for performance, fuel economy and safety. In order to accomplish this, your fuel ... - [Lease Or Buy?](https://www.johnsautocareboulder.com/blog/lease-or-buy): Lease? Or buy? These are the options for Boulder car financing. It’s always a tough question for Boulder car owners. But here is some info ... - [Are Modern Vehicles Maintenance Free?](https://www.johnsautocareboulder.com/blog/are-modern-vehicles-maintenance-free): In our auto video today we’ll be talking with Alan Peterson about myths surrounding automotive maintenance. You can lump these myths into ... - [To Save Gas Around Boulder: Keep Up with Your Scheduled Service](https://www.johnsautocareboulder.com/blog/to-save-gas-around-boulder-keep-up-with-your-scheduled-service): One topic that hits the news in Boulder on a regular basis is the price of gas. The answer for some CO auto owners is to buy a vehicle that ... - [John’s Auto Care Maintenance Tips: The Belt Goes On](https://www.johnsautocareboulder.com/blog/johns-auto-care-maintenance-tips-the-belt-goes-on): Today’s John’s Auto Care auto maintenance article focuses on your serpentine belt. Your serpentine belt is a long belt that’s driven by your ... - [Battery Basics For Boulder](https://www.johnsautocareboulder.com/blog/battery-basics-for-boulder): It’s important for Boulder drivers to know battery basics. First, let’s talk about which is harder on a battery – hot or cold CO weather. ... - [Serpentine Belt Service At John’s Auto Care In Boulder](https://www.johnsautocareboulder.com/blog/serpentine-belt-service-at-johns-auto-care-in-boulder-2): Don’t you hate it when you hear that squeal from under the hood when you’re zipping down a busy Eldorado Springs freeway? It usually means ... - [Training Received by Technicians In Boulder CO](https://www.johnsautocareboulder.com/blog/training-received-by-technicians-in-boulder-co): When your car breaks down in the Boulder CO area, or just needs some routine service, it can make you a little nervous. Because your car’s ... - [Boulder Tire Repair](https://www.johnsautocareboulder.com/blog/boulder-tire-repair): Most Eldorado Springs car owners have experienced a flat tire. You know it’s inconvenient and a pain. Our tires are important. Keeping them ... - [Introduction to Diesels for Boulder CO](https://www.johnsautocareboulder.com/blog/introduction-to-diesels-for-boulder-co): Something you’re going to be hearing a lot about around Boulder, CO is diesel engines. We’re not talking about semi-trucks and buses – ... - [The Right Automotive Fluids For Eldorado Springs Drivers](https://www.johnsautocareboulder.com/blog/the-right-automotive-fluids-for-eldorado-springs-drivers): All those automotive fluids can be confusing for Eldorado Springs motorists. Recent years have brought new grades of engine oil, types of ... - [Smooth Shifting in Boulder CO: Transmission Service](https://www.johnsautocareboulder.com/blog/smooth-shifting-in-boulder-co-transmission-service): So you have some exciting plans for the CO weekend. You’re going to take some of your Boulder, CO friends out on the boat for some water ... - [Recommended Boulder Service Intervals](https://www.johnsautocareboulder.com/blog/recommended-boulder-service-intervals): Everyone in Boulder, CO knows we are advised to go to our Boulder dentist twice a year.  Oral-conscious Boulder residents have a ... - [I Can See Clearly Now: Wiper Blade Replacement In Boulder](https://www.johnsautocareboulder.com/blog/i-can-see-clearly-now-wiper-blade-replacement-in-boulder): About 90% of our driving decisions in Eldorado Springs are based solely on what we see. So having a good pair of windshield wipers is ... - [Busting Automotive Myths In Boulder CO](https://www.johnsautocareboulder.com/blog/busting-automotive-myths-in-boulder-co): Myths passed around our Boulder CO community start with a grain of evidence and are then built up with a lot of imagination and very ... - [Fuel Saving Tip: Alignment For Your Boulder family car](https://www.johnsautocareboulder.com/blog/fuel-saving-tip-alignment-for-your-boulder-family-car): Imagine you’ve left Boulder and you’re up in the arctic on a dog sled. Your dog team is pulling straight and true. You can cover a lot of ... - [Getting New Tires In Boulder?](https://www.johnsautocareboulder.com/blog/getting-new-tires-in-boulder): There are so many tire choices in the Boulder, Louisville, and Boulder area, selecting the right one can be a bit overwhelming for Eldorado ... - [Custom Wheels and Tires For Your Boulder Ride](https://www.johnsautocareboulder.com/blog/custom-wheels-and-tires-for-your-boulder-ride): It seems like everywhere you go in the Eldorado Springs area you see custom wheels. Big trucks, little cars, mini-vans – it doesn’t matter, ... - [Emergency Items For Your family car](https://www.johnsautocareboulder.com/blog/emergency-items-for-your-family-car): Local Eldorado Springs roadside emergencies can range from a flat tire downtown to being stranded in a snowy ravine for three days. So you ... - [Shocks and Struts For Boulder Bumps and Bounces](https://www.johnsautocareboulder.com/blog/shocks-and-struts-for-boulder-bumps-and-bounces): If you’re like most of us in Boulder, you want your car to handle well. That’s the job of your suspension system. There are different types ... - [Headlamp Replacement](https://www.johnsautocareboulder.com/blog/headlamp-replacement): Like everything automotive, there have been great strides in headlight technology in recent years. We can all drive more safely at night ... - [Fuel System Cleaning At John’s Auto Care](https://www.johnsautocareboulder.com/blog/fuel-system-cleaning-at-johns-auto-care): Is your car sometimes hard to start on an early Boulder morning? When you turn the key, does it hesitate or stutter? If so, the problem ... - [Deciphering the John’s Auto Care Menu Board](https://www.johnsautocareboulder.com/blog/deciphering-the-johns-auto-care-menu-board): Let’s talk about deciphering the auto service menu board. Boulder, CO service centers like John’s Auto Care have a board that lists the ... - [Serpentine Belt Service At John’s Auto Care In Boulder](https://www.johnsautocareboulder.com/blog/serpentine-belt-service-at-johns-auto-care-in-boulder): If you’ve ever heard a squealing sound under your family car hood, chances are it was your serpentine belt. Your serpentine belt is a long ... - [Fall and Spring Checkup In Boulder](https://www.johnsautocareboulder.com/blog/fall-and-spring-checkup-in-boulder): When I was a kid in Boulder, my dad always made sure he took the cars in for Spring and Fall checkups. I was telling a friend that it’s ... - [Power Steering Service At John’s Auto Care In Boulder](https://www.johnsautocareboulder.com/blog/power-steering-service-at-johns-auto-care-in-boulder): Many Boulder car owners have been hearing about technological advances in power steering, specifically, electric power steering. Some very ... - [Trip Inspection](https://www.johnsautocareboulder.com/blog/trip-inspection): North Americans love their cars. And nothing goes with cars better than the road trip. Freedom from daily schedules, new sights and the ... - [Transmission Care In Boulder CO](https://www.johnsautocareboulder.com/blog/transmission-care-in-boulder-co): Call John’s Auto Care to make an appointment to check your transmission in Boulder. 1900 55th St. #104 Boulder, CO 80301 303.442.2932 Do ... - [Air Conditioning Maintenance At John’s Auto Care In Boulder](https://www.johnsautocareboulder.com/blog/air-conditioning-maintenance-at-johns-auto-care-in-boulder): Warm weather or cold, Boulder drivers still need to think about their family car’s air conditioning. Most Boulder people don’t service their ... - [Keep Your Cool In Boulder](https://www.johnsautocareboulder.com/blog/keep-your-cool-in-boulder): /> Your browser does not support video Boulder drivers rely on their car’s coolant system to keep their engine cool. Coolant (also ... - [Air Conditioning Service In Boulder](https://www.johnsautocareboulder.com/blog/air-conditioning-service-in-boulder): Hey Boulder, CO Do you hear loud noises under the hood when you turn on your air conditioner? Do you only get cool air sporadically? If ... - [John’s Auto Care And The Maintenance Mindset](https://www.johnsautocareboulder.com/blog/johns-auto-care-and-the-maintenance-mindset): When it comes to their vehicles, some Eldorado Springs auto owners don’t have a maintenance mindset. They know they need to take care of ... - [Boulder Air Conditioning Service](https://www.johnsautocareboulder.com/blog/boulder-air-conditioning-service): Working up a sweat is a great thing to do in a gym around Boulder, but not in your car. When your car’s AC System has a problem, you’ll ... - [Maintaining Your Older Car In Boulder CO](https://www.johnsautocareboulder.com/blog/maintaining-your-older-car-in-boulder-co): The government mandates a lot of equipment on cars in Boulder CO: emission devices and control computers, safety equipment like airbags and ... - [Boulder Exhaust And Emissions Service](https://www.johnsautocareboulder.com/blog/boulder-exhaust-and-emissions-service): Sometimes when we talk about exhaust service in Boulder, we think about exhaust pipes and mufflers. And if you can see smoke, or if it’s ... - [Nitrogen Fill For Tires in Boulder CO](https://www.johnsautocareboulder.com/blog/nitrogen-fill-for-tires-in-boulder-co): So, everyone in the Boulder CO area knows how great helium is – you know, party balloons, squeaky voices. But a lot of people around ... - [Keys to a Long Lasting Vehicle](https://www.johnsautocareboulder.com/blog/keys-to-a-long-lasting-vehicle): We’re living in a disposable society. Everything from elaborate packaging to our clothing. Even cell phones are disposable. When ... - [Before You Leave Boulder, Get A Trip Inspection](https://www.johnsautocareboulder.com/blog/before-you-leave-boulder-get-a-trip-inspection): You know, at John’s Auto Care we get a lot of people asking about how to prepare their car for a trip. That’s a big deal. You could be ... - [Coolant Service at John’s Auto Care](https://www.johnsautocareboulder.com/blog/coolant-service-at-johns-auto-care): Our cars have to operate in a wide range of Boulder, CO temperatures and our engine coolant must be able to perform ‘no matter what’. ... - [Better Service – Better Economy](https://www.johnsautocareboulder.com/blog/better-service-better-economy): The hottest Boulder news story may be different everyday, but there’s one topic that seems to come up over and over again – the price of ... - [Differential Service](https://www.johnsautocareboulder.com/blog/differential-service-boulder): What is a differential and what does it do? You may have been told your differential needs service, or seen it as an option up on the ... - [Severe Service Requirements](https://www.johnsautocareboulder.com/blog/severe-service-requirements): A lot of our viewers have asked whether or not they should use their severe service maintenance schedule, which is listed in their car ... - [When Are Your Tires Worn Out?](https://www.johnsautocareboulder.com/blog/when-are-your-tires-worn-out): Are your tires worn out? What is the standard for our Colorado roads? How can you tell on your family car? While there may be legal ... - [Save on Gas – Clean Your Fuel Injectors](https://www.johnsautocareboulder.com/blog/fuel-injector-cleaning-in-boulder-lafayette-louisville): The last new car sold with a carburetor in North America rolled out of the dealership in 1990. Since then, all new vehicles have had fuel ... - [Breathe easier – Replace your Cabin Air Filter](https://www.johnsautocareboulder.com/blog/cabin-air-filter-boulder-coloraod): What is a cabin air filter? Is it: A filter for a house in the middle of the woods?A fresh, piney scent?A filter for the passenger ... - [Fuel Saving Tip: Auto Myths Around Boulder](https://www.johnsautocareboulder.com/blog/fuel-saving-tip-auto-myths-around-boulder): With high fuel prices in Boulder CO comes lots of gas saving advice. Some of it, like what you hear on AutoNetTV, is really great. Some is ... - [Power Steering Service](https://www.johnsautocareboulder.com/blog/power-steering-service-near-boulder-co): For most of us, it is hard to remember life without power steering – cranking those great big steering wheels was quite the workout.  Now ... - [Clean Air for Your Engine: Engine Air Filters In Boulder](https://www.johnsautocareboulder.com/blog/clean-air-for-your-engine-engine-air-filters-in-boulder): Every Boulder car owner who has taken their car in for an oil change has been told that their engine air filter’s dirty. Here’s what goes ... - [Boulder Drivers: Is It Time To Replace Your PCV Valve?](https://www.johnsautocareboulder.com/blog/boulder-drivers-is-it-time-to-replace-your-pcv-valve): The push for fuel economy has two benefits: using less gas, and fewer emissions. Boulder cars and trucks run cleaner than ever. Boulder ... - [Exhaust Service](https://www.johnsautocareboulder.com/blog/exhaust-service): Whenever we talk about exhaust service, most people normally think about exhaust pipes and mufflers. Well, actually, exhaust service is a ... - [Braking News: Keep Your Stopping Power](https://www.johnsautocareboulder.com/blog/braking-news-keep-your-stopping-power): Richard Petty once told AutoNetTV, “You’ve gotta have good brakes. If you’ve got good brakes you can keep yourself out of a lotta trouble.” ... - [Engine Air Filter From John’s Auto Care](https://www.johnsautocareboulder.com/blog/engine-air-filter-from-johns-auto-care): You may have found yourself in the following situation: You go to get your oil changed and the service adviser at John’s Auto Care ... - [Boulder Customer Detective Work](https://www.johnsautocareboulder.com/blog/boulder-customer-detective-work): One might say the most challenging part of being an automotive service technician at John’s Auto Care in Boulder CO is diagnosing a problem ... - [What To Do After You Buy a Used Vehicle in Boulder](https://www.johnsautocareboulder.com/blog/what-to-do-after-you-buy-a-used-vehicle-in): So you’ve bought a used car in the Boulder area. How do you know what you’re getting? It is hard to know what you’re getting because ... - [PCV Valve Replacement](https://www.johnsautocareboulder.com/blog/pcv-valve-replacement): The energy from exploding fuel is what powers your engine. But some of the vapors from the explosions escape into the lower part of the ... - [Proper Fluids for Your Vehicle](https://www.johnsautocareboulder.com/blog/proper-fluids-for-your-vehicle): We would like to give you an update on some of the things happening in automotive fluids. You know, cars are becoming more sophisticated ... - [Diesel Maintenance For CO](https://www.johnsautocareboulder.com/blog/diesel-maintenance-for-co): At John’s Auto Care we hear from a lot of people who are excited about the new diesel engines that will soon be available in passenger cars ... - [Get Where You’re Going With Power Steering Service In Boulder](https://www.johnsautocareboulder.com/blog/get-where-youre-going-with-power-steering-service-in-boulder): Today we’re going to talk about power steering service in Boulder. If you took an informal poll around Boulder you’d probably find that most ... - [John’s Auto Care: Good Service And Good Fuel Economy](https://www.johnsautocareboulder.com/blog/johns-auto-care-good-service-and-good-fuel-economy): Most of our Louisville clients want to save on gas and seek our advice on improving fuel economy. At John’s Auto Care, we are frequently ... - [Suspension Service In Boulder CO](https://www.johnsautocareboulder.com/blog/suspension-service-in-boulder-co): Your car’s suspension plays a key role:  It keeps your car up off the road and helps provide a comfy and stable ride.  It should keep your ... - [Winter Tires for Boulder Driving](https://www.johnsautocareboulder.com/blog/winter-tires-boulder-snow-tires): When it comes to winter tires, much of the public’s perception dates back to when 8-track audio tapes were the best way to listen to the Bee ... - [Radiators – Keepin’ your Cool](https://www.johnsautocareboulder.com/blog/boulder-radiator): The coolant system is a vital part of your vehicle and is the  second most common cause of vehicle failures.  Even though coolant system ... - [NEW – John’s Mystery Part Contest](https://www.johnsautocareboulder.com/blog/new-johns-mystery-part-contest): Like Us on Facebook to Participate Every Monday we post to Facebook a photograph of a part we took out of a customer’s car. On Fridays we ... - [Prepare Your Car for a Colorado Winter](https://www.johnsautocareboulder.com/blog/winterize-your-car-boulder-car-repair): A little preparation goes a long way to keep your car reliable and you safe in winter.  And winterizing your vehicle becomes critical if you ... - [Snow Tires – A Margin of Safety](https://www.johnsautocareboulder.com/blog/snow-tires-boulder-colorado): Winter (Snow) Tires – The Best Way to Insure a Safe Winter Driving Season  –  Driving your car on snowy or icy roads can be a stressful ... - [Tips to Maintain a Healthy Car](https://www.johnsautocareboulder.com/blog/tips-to-maintain-a-healthy-car): According to recent studies, 5 percent of all motor vehicle fatalities are clearly caused by automobile maintenance neglect. Now, that’s the ... - [Do You Really Need Snow Tires in Boulder, Colorado?](https://www.johnsautocareboulder.com/blog/do-you-really-need-snow-tires-in-boulder-colorado): Making the decision to invest in snow tires depends on a few things including where you live, the type of vehicle you drive, if you’ll be frequenting the mountains, and your experience with driving in snow and ice. - [Why Won't My Car Start? The 6 Most Common Reasons & What To Do](https://www.johnsautocareboulder.com/blog/why-won-t-my-car-start): 6 Of The Most Common Reasons Your Car Won't Start & What To Do - [How Do You Know if a Car Alternator is Bad?](https://www.johnsautocareboulder.com/blog/how-do-you-know-if-a-car-alternator-is-bad): How do you know if it’s the alternator that’s at fault when your car won't start? - [Why is My Check Engine Light On?](https://www.johnsautocareboulder.com/blog/why-is-my-check-engine-light-on): The most common common reasons your check engine light comes on and what to do about it - [When Should I Replace My Car Battery?](https://www.johnsautocareboulder.com/blog/when-should-i-replace-my-car-battery): 6 common signs your car battery is approaching the end of its life - [What to Ask an Auto Repair Shop Before You Entrust Them With Your Vehicle](https://www.johnsautocareboulder.com/blog/questions-to-ask-an-auto-repair-shop): 8 questions to ask an auto repair shop to determine if they're reputable - [The Best Way to Insure Your Vehicle Against Costly Auto Repairs](https://www.johnsautocareboulder.com/blog/insure-your-vehicle-against-costly-auto-repairs): Maintaining proper fluid levels and quality can significantly extend the lifespan of your vehicle and save you from unexpected financial burdens down the road. - [Why Does My Car Need an Alignment?](https://www.johnsautocareboulder.com/blog/why-does-my-car-need-an-alignment): 5 great reasons why scheduling regular wheel alignments is a smart investment in the long-term health and performance of your vehicle - [When Should You Replace Your Car’s Cabin Air Filter?](https://www.johnsautocareboulder.com/blog/when-to-replace-your-cabin-air-filter): Experts recommend replacing your cabin air filter every 12,000 to 15,000 miles, or once a year to keep the air inside your vehicle clean and healthy. - [How Often Should I Change the Oil in My Car?](https://www.johnsautocareboulder.com/blog/how-often-should-i-change-the-oil-in-my-car): Mileage is not the only, or even best, factor to consider when determining when to change your oil. How often you drive is also important. - [Top 5 Signs Your Car's Air Conditioning Needs Attention](https://www.johnsautocareboulder.com/blog/top-5-signs-your-car-s-air-conditioning-needs-attention): Understanding and quickly addressing a sign that your car's air conditioner is about to fail will avoid a hot, unpleasant drive. In this article we explore the 5 most common signs that your a/c needs attention. - [How Heat Affects Your Car and How to Protect It](https://www.johnsautocareboulder.com/blog/how-heat-affects-your-car-and-how-to-protect-it): High temperatures can take a toll on your vehicle, leading to potential issues. In this article we a look at how heat affects your car and what you can do to protect it. - [Common Road Trip Car Issues and How to Avoid Them](https://www.johnsautocareboulder.com/blog/common-road-trip-car-issues-and-how-to-avoid-them): The last thing you want is for car trouble to ruin a road trip adventure. Here are the most common road trip car issues and how to avoid them - [Understanding Your Car's Dashboard Warning Lights](https://www.johnsautocareboulder.com/blog/understanding-your-dashboard-warning-lights): Understanding what your dashboard warning lights mean can help you take the right action before a small issue turns into a big problem. Let's breakdown the most common warning lights and what to do when they come on - [College Car Care 101: Keep Your Ride Ready for the Semester](https://www.johnsautocareboulder.com/blog/college-car-care-101-keep-your-ride-ready-for-the-semester): As you get ready for the new semester, your car might be the last thing on your mind—but it’s one of the most important. Your car is ... - [The Importance of Fuel System Cleaners](https://www.johnsautocareboulder.com/blog/the-importance-of-fuel-system-cleaners): Regular use of a fuel system cleaner like BG 44K can improve fuel efficiency, restore lost power and performance and extend the life of engine components. - [What Causes Oil Sludge in Your Engine, and How to Prevent It?](https://www.johnsautocareboulder.com/blog/what-causes-oil-sludge-and-how-to-prevent-it): Oil sludge typically looks like dark, gooey deposits inside the engine. It’s often found around the oil cap, dipstick, and inside the crankcase, and it’s one of the leading causes of engine failure if it’s not addressed. - [How to Prepare Your Vehicle for a Colorado Fall](https://www.johnsautocareboulder.com/blog/how-to-prepare-your-vehicle-for-a-colorado-fall): Before you hit the road for that scenic drive or mountain adventure, it's important to make sure your vehicle is ready for the changing weather. Here are some steps to prepare your car for a Colorado fall, so you can enjoy the season worry-free. - [Common Fall Car Problems and How to Prevent Them](https://www.johnsautocareboulder.com/blog/common-fall-car-problems-and-how-to-prevent-them): As the season changes from summer to fall in Colorado, so do the challenges that your vehicle faces - [How to Extend the Life of Your Toyota Tacoma](https://www.johnsautocareboulder.com/blog/extend-the-life-of-your-toyota-tacoma): To extend the life of your Toyota Tacoma, prioritize regular maintenance, use quality parts, keep it clean, address issues early, and drive with care. - [The Hidden Dangers of Driving with Worn Brake Pads](https://www.johnsautocareboulder.com/blog/driving-with-worn-brake-pads): Driving with worn brake pads can put you and your passengers at risk and can quickly turn into a more costly repair. - [The Importance of Regular Brake Fluid Changes](https://www.johnsautocareboulder.com/blog/the-importance-of-regular-brake-fluid-changes): Keeping your brake fluid fresh can prevent costly repairs and ensure your brakes work properly when you need them most. - [Why Your Brake Warning Light Is On and What to Do About It](https://www.johnsautocareboulder.com/blog/why-your-brake-warning-light-is-on-and-what-to-do-about-it): There are a number of things that can cause your brake warning light to come on including low brake fluid, worn brake pads, or a sensor issue. - [Why is My Jeep Cherokee’s 4WD System Not Engaging?](https://www.johnsautocareboulder.com/blog/why-is-my-jeep-cherokees-4wd-system-not-engaging): If you’ve noticed your Jeep Cherokee’s 4WD system isn’t working as it should, you’re not alone. This is a fairly common issue, and there are a few reasons why it might happen. - [Why Does My Car Squeak When I Brake?](https://www.johnsautocareboulder.com/blog/why-does-my-car-squeak-when-i-brake): If you notice a consistent squeaking noise when braking, it could be something as simple as dust, or as serious as worn brake pads. - [Why Does My Tacoma’s Steering Feel Loose or Shaky?](https://www.johnsautocareboulder.com/blog/why-does-my-tacoma-s-steering-feel-loose-or-shaky): Loose or shaky steering in your Tacoma could be due to worn suspension components, misalignment, or uneven tire wear. Have it inspected to ensure safe handling. - [What is the Light-Colored, Oily Liquid Near the Wheels of My Car?](https://www.johnsautocareboulder.com/blog/what-is-the-light-colored-oily-liquid-near-the-wheels-of-my-car): If you see a light-colored fluid near your wheels, it might be brake fluid. This is essential for safe braking performance. - [Why Do My Brakes Feel Soft or Make Noise?](https://www.johnsautocareboulder.com/blog/why-do-my-brakes-feel-soft-or-make-noise): Soft brakes or squealing noises can point to many different things, including worn-out brake pads or air in the brake lines. - [Why is my Land Rover’s Check Engine Light On?](https://www.johnsautocareboulder.com/blog/land-rover-check-engine-light-on): Your Land Rover's check engine light is its way of letting you know something needs attention. I could be something as minor as a gas cap, or as major as transmission issues. - [Why is My Outback’s Rear Lift gate Not Working?](https://www.johnsautocareboulder.com/blog/why-is-my-outback-s-rear-lift-gate-not-working): Common issues with the Subaru Outback lift gate include battery problems, motor failure, faulty sensors or even the key fob not communicating properly. Sometimes a simple reset fixes it, but it often requires professional diagnosis. - [Why Is My Suburban Making a Ticking Noise from the Engine?](https://www.johnsautocareboulder.com/blog/why-does-my-suburban-have-a-ticking-noise-from-the-engine): An engine ticking is a common issue in Chevy Suburbans that can stem from various causes. Some are simple fixes, while others might require more in-depth repairs. - [Why is My Car Making a Clunking Noise When I Turn?](https://www.johnsautocareboulder.com/blog/why-is-my-car-making-a-clunking-noise-when-i-turn): Clunking or clicking noises during turns are often signs of worn CV joints, which may need axle repair or replacement. - [Why is my Ford Escape stalling?](https://www.johnsautocareboulder.com/blog/why-is-my-ford-escape-stalling): Stalling can happen for several reasons, including a dirty or faulty mass air flow sensor, clogged fuel filter or bad idle air control valve. It’s important to identify the issue before it leads to bigger problems. - [How Often Should I Change my oil?](https://www.johnsautocareboulder.com/blog/how-often-should-i-change-my-oil): Changing your car's oil is one of the most important things you can do to keep your engine running smoothly. But how often should you be doing it? The answer depends on several factors, like the type of oil you use, the age of your vehicle, and your driving habits. - [Why is the check engine light on my Jeep Wrangler on?](https://www.johnsautocareboulder.com/blog/why-is-the-check-engine-light-on-my-jeep-wrangler-on): The check engine light can be triggered by many things, like an issue with the oxygen sensor, a misfire, or even a loose gas cap. - [Why Your Car Battery is More Likely to Die in Winter—and How to Prevent It](https://www.johnsautocareboulder.com/blog/why-your-car-battery-is-more-likely-to-die-in-winter-and-how-to-prevent-it): When winter hits Boulder, many drivers find themselves dealing with a frustrating problem: a dead car battery. Cold weather is hard on car batteries, which is why they often fail just when you need them most. Understanding why this happens, and what you can do to prevent it, could save you from getting stranded on a freezing morning. - [The Lowdown on Coolant for Colorado Winters: Why It’s Crucial to Check It](https://www.johnsautocareboulder.com/blog/coolant-for-colorado-winters): Many people think coolant (or antifreeze) is just for keeping your car from overheating in the summer, but it's just as critical for keeping your engine safe in the winter. - [Struggling with Cold Starts? Here’s How to Get Your Engine Winter-Ready](https://www.johnsautocareboulder.com/blog/cold-starts): Cold weather can impact your fuel system. Low temperatures can cause fuel to thicken, making it harder for your car to start. - [Can Winter Driving Lead to Transmission Issues? What to Watch Out For](https://www.johnsautocareboulder.com/blog/can-winter-driving-lead-to-transmission-issues-what-to-watch-out-for): In colder temperatures transmission fluid thickens, which can make it harder for the fluid to flow properly and for parts to move freely. This can lead to issues like rough shifting, delayed engagement, or even slipping - [Preparing Your Car for Snowy Mountain Drives](https://www.johnsautocareboulder.com/blog/preparing-your-car-for-snowy-mountain-drives): Here's what you need to know to prepare your vehicle to handle the demands of winter mountain driving in Colorado - [What are Vehicle Diagnostics and Why Do I Need to Pay for Them?](https://www.johnsautocareboulder.com/blog/what-are-vehicle-diagnostics-and-why-do-i-need-to-pay-for-them): When your car isn’t running right or a dashboard warning light comes on, the first step in solving the problem is diagnostics. But what ... - [How to Keep Your Windshield Clear and Safe in Winter](https://www.johnsautocareboulder.com/blog/keep-your-windshield-clear-and-safe-in-winter): Here are some tips to keep your windshield clear and in top condition all winter long - [How Cold Weather Affects Your Car’s Battery](https://www.johnsautocareboulder.com/blog/how-cold-weather-affects-your-car-s-battery): Understanding how cold weather affects your battery can save you from the frustration of a vehicle that won’t start on a chilly morning - [Why is My Ford Explorer Making a Clicking Noise When I Turn the Wheel?](https://www.johnsautocareboulder.com/blog/why-is-my-ford-explorer-making-a-clicking-noise-when-i-turn-the-wheel): Hearing a clicking noise when you turn the wheel could indicate an issue that needs prompt attention. - [How Cold Weather Affects Tire Pressure: What Colorado Drivers Need to Know](https://www.johnsautocareboulder.com/blog/how-cold-weather-affects-tire-pressure-what-colorado-drivers-need-to-know): For every 10-degree Fahrenheit drop in temperature, your tires can lose about 1-2 psi. This can lead to reduced fuel efficiency, uneven tire wear and safety risks. - [Why is My Subaru Burning Oil?](https://www.johnsautocareboulder.com/blog/why-is-my-subaru-burning-oil): Some Subaru engines, particularly older models, are known to consume oil, but it's not something you have to live with. - [Winter Road Trip Checklist: What to Do Before Hitting the Highways in Colorado](https://www.johnsautocareboulder.com/blog/winter-road-trip-checklist-what-to-do-before-hitting-the-highways-in-colorado): Prepare for Colorado winter drives with our essential road trip checklist! From tire checks to emergency kits, ensure your vehicle is ready for snowy highways and mountain passes. Learn more! - [Why Does My Jeep Cherokee Make a Rattling Noise?](https://www.johnsautocareboulder.com/blog/why-does-my-jeep-cherokee-make-a-rattling-noise): Is your Jeep Cherokee making a rattling noise? Discover common causes like loose heat shields, exhaust issues, or suspension problems. - [Why Timing Belt Replacement is Crucial for Your Engine's Health](https://www.johnsautocareboulder.com/blog/timing-belt-replacement-crucial-for-engine-health): Discover why timing belt replacement is vital, how it prevents engine damage, and why Boulder drivers trust John’s Auto Care for expert service. - [Prepping Your Vehicle for Valentine's Day Adventures](https://www.johnsautocareboulder.com/blog/prepping-your-vehicle-for-valentine-s-day-adventures): Get your vehicle ready for Valentine’s Day adventures with tips for fluid checks, tire safety, and more. Trust John’s Auto Care in Boulder for expert care. - [How to Protect Your Vehicle from Pothole Damage in Late Winter](https://www.johnsautocareboulder.com/blog/protect-your-vehicle-from-pothole-damage-in-late-winter): Protect your car from pothole damage this winter with tips on tire care, safe driving, and suspension checks. Visit John’s Auto Care in Boulder for expert help! - [Why Your Heater Isn’t Working and How to Fix It Before the Cold Gets Worse](https://www.johnsautocareboulder.com/blog/why-your-heater-isn-t-working-and-how-to-fix-it-before-the-cold-gets-worse): Cold car rides? Learn why your heater isn’t working and how to fix it. From low coolant to blower issues, John’s Auto Care in Boulder has you covered! - [What’s the Difference Between Normal and Severe Driving Conditions?](https://www.johnsautocareboulder.com/blog/what-s-the-difference-between-normal-and-severe-driving-conditions): Discover the difference between normal and severe driving conditions and why most Colorado drivers should follow the "severe" schedule for oil changes. - [Ask John: What Should I Do When the Check Engine Light Comes On?](https://www.johnsautocareboulder.com/blog/what-should-i-do-when-the-check-engine-light-comes-on): What to do when your check engine light comes on. Tips from John’s Auto Care in Boulder to keep your car running smoothly and stress-free. - [Ask John: What Are the Common Transmission Problems in the Honda Civic?](https://www.johnsautocareboulder.com/blog/what-are-the-common-transmission-problems-in-the-honda-civic): Common Honda Civic transmission problems like slipping gears and fluid leaks explained. Visit John's Auto Care in Boulder for expert help. - [Ask John: How Often Should I Get a Wheel Alignment?](https://www.johnsautocareboulder.com/blog/how-often-should-i-get-a-wheel-alignment): Learn how often to get a wheel alignment and why it’s essential for smooth, safe driving. Ask John for expert advice! - [Ask John: What’s causing my Land Rover to leak oil?](https://www.johnsautocareboulder.com/blog/what-is-causing-my-land-rover-to-leak-oil): Learn the common causes of Land Rover oil leaks and how John’s Auto Care in Boulder can fix them. Schedule your repair today! - [Get Your Car Ready for Spring in Colorado](https://www.johnsautocareboulder.com/blog/get-your-car-ready-for-spring-in-colorado): Colorado winters can take a toll on your car. Here’s how to get your vehicle ready for spring. - [Why Is My Ford Mustang Running Rough and Misfiring?](https://www.johnsautocareboulder.com/blog/why-is-my-ford-mustang-running-rough-or-misfiring): Mustang misfiring or running rough? Learn what causes it and how John’s Auto Care in Boulder can help. - [Alternator Service Boulder Colorado](https://www.johnsautocareboulder.com/blog/alternator-service-boulder-colorado): Alternator Repair and Services in Boulder County Welcome to John’s Auto Care - Your Trusted Auto Repair Shop and Alternator & Charging ...