100% Customer Satisfaction

Work Done Right – the First Time, On Time
Same Day Service – Always Our Goal!


Complimentary Local Shuttle
Clean, Comfortable Waiting Room with Wi-Fi

Boulder's auto repair experts... with a personal touch.

Who we are:

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. Owner, John Argrow, has been an auto mechanic in Boulder for over 15 years, with many devoted customers from Boulder County, Longmont, Broomfield, Westminster and surrounding areas. We value the long-term patronage of our clients and are proud of the relationships we’ve built with them. We understand that trust is something that must be earned, and work hard to exceed our customer’s expectations.

Our talented team of handpicked mechanics has a thorough understanding of even the most complicated car and truck problems … along with a true passion for people! Our customer service motto: Treat the customer the way you’d want your mother to be treated.

We genuinely want you to enjoy your experience with us and strive to keep you and your family safe on the road for miles of worry-free driving! You won’t find a more friendly and dependable auto repair shop committed to providing you with exceptional customer care and on-time service.


What we do:

Whether you own an import or domestic car, truck or SUV, we offer a complete array of affordable preventative maintenance services and can diagnose and repair just about any issue that may come up – from oil changes and tune-ups to computer diagnostics and engine repairs and everything in-between.

Our ASE-certified auto mechanics conduct a thorough FREE inspection with each visit to ensure your vehicle is safe, help avoid costly repairs and optimize gas mileage. Understanding that most people do not have unlimited funds available at will, we make sure each customer is informed of any and all services or repairs that are called for; render a detailed estimate for each; and help prioritize any work needed or recommended so customers can budget and plan. We then send reminders of any work needed so issues can be addressed BEFORE they become a problem – saving money and headaches down the road. Bring your car to us and you’ll never have to worry about it again.


Car Care Tips from the Blog

Brake Service at John’s 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 on every CO car’s maintenance schedule. At John’s Auto Care, our team will check your brake system and let you know if there are any important problems. Of course, if you’re having trouble with your brakes, get your car into [...]

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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 from their woes and remember to think about our critical timing belt. First, let’s review what a timing belt does. The top part of the engine, over the cylinders is [...]

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It’s About Time: Following Service Intervals at John’s 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 lawns every week, and pay the bills every month. We should go to our Boulder dentist twice a year and see our doctor for a check-up [...]

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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 about you and your family’s safety. And we really appreciate your business. John’s Auto Care in Boulder wants to build a trusting relationship that becomes the foundation for a mutually beneficial experience for [...]

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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 become aware of how air pollution negatively affects health. But what about the air inside your vehicle? Cabin air filters are now coming on most new family cars in Boulder. These filters [...]

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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 Tire Pressure Monitoring System. The federal government began requiring a TPMS system on 2008 model year passenger vehicles and light trucks. Some 2006 and 2007 models may [...]

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Commitment to Make Your family car Last At John’s 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 80301 303.442.2932 These days many people in the Eldorado Springs area are really committed to making their cars last a long time. First thing: you’ve got to start with what you’ve got. [...]

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Differential Service At John’s 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 owners don’t have a clue what it is. The differential compensates for differing wheel speeds. For example, when you turn, the inside tire on the turn travels a much shorter distance [...]

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Easy Miles

  Have you ever noticed that your vehicle manufacturer has a schedule in your owner’s manual for what is called “severe service” maintenance? Let’s define what severe driving conditions aren’t: The easiest driving a vehicle experiences is traveling on the interstate for twenty miles or more at a constant rate of 65 miles per hour [...]

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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. Unless they drive a vintage car, Boulder car owners have fuel injectors which need to be properly maintained. That is why your family car owner’s manual has a schedule [...]

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