100% Customer Satisfaction

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

Convenient:

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

PCV Valve Service At John’s 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 stands for Positive Crankcase Ventilation. The crankcase is the bottom area of the engine that holds the oil. When the family car engine’s running, fuel is burned to generate [...]

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Fuel System Cleaning at John’s 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 place, precisely when the engine needs it. The fuel also has to be mixed with air before it can burn in the engine. Fuel injectors are engineered to spray [...]

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Fuel System Cleaning at John’s 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 the precise amount of fuel, to precisely the right place, precisely when the engine needs it. The fuel also has to be mixed with air before it can burn in [...]

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John’s 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 driven by the serpentine belt. First is the alternator. That’s the vital device that makes electricity to power the family car and recharge the battery. Then there’s the air conditioning compressor that [...]

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Go Big or Go Home: Upsize Your Wheels at John’s 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 from floor mats to window tints to license plates. One popular way for CO auto owners to customize a vehicle is to get new wheels. Wheels come in thousands of designs. Custom [...]

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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 high sulfur content in our diesel fuel. But the government is now mandating lower sulfur content and, as a result, we are going to see more Boulder car owners driving diesel-fueled [...]

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E-85 Fuel Safety Advice From John’s 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 very unusual source: fire fighting experts. You’ve probably heard of E-85 gasoline being offered in the Eldorado Springs area. Some newer vehicle models are specifically built to run on E-85 [...]

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Put On The Brakes: Brake Service At John’s 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 more than just brake pads and shoes. There are a lot of components in the brake system, and they all need to be in good working order. The pads and shoes [...]

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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 monitoring system. Many slightly older vehicles around Eldorado Springs have these systems as well. A tire pressure monitoring system – called TPMS – consists of sensors on each wheel that measure [...]

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Super Slick at John’s 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 if we’d like conventional or synthetic motor oil. We glance at the price tags on the two options and choose the cheaper one. But in this case, the more [...]

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