The engine of your GMC is what keeps your car moving and working. The engine is a complex series of mechanical parts that undergo intense pressure and heat as your drive. If your GMC’s engine is not in good shape, the rest of your GMC’s performance will also suffer. Located in Sandy Springs, Georgia, McCullough NAPA Auto Care provides full-service GMC engine repair, maintenance, and replacement.
Schedule your GMC engine service online or call us at (404) 252-3014.

Schedule GMC Engine Repair or Replacement in Atlanta, Georgia
McCullough NAPA Auto Care staffs ASE Certified technicians with the experience and technology to properly diagnose any engine issues you may be experiencing with your GMC. We’ve been in business since 1969 and have ample experience repairing engines for any GMC model, including the Canyon, Sierra, Terrain, Acadia, Yukon, and more.
Schedule your engine repair or replacement service for your GMC below!
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Graham was great and was up front about everything that needed to be done. My son's jeep went down on the Saturday before Memorial Day and they had him ready around 1pm that Thursday. Quick turn around in my eyes. Nice employees, everyone was cordial and friendly.
Tim Lawrence
June 4, 2021A staff of gentlemen ready to answer every question with a smile and great knowledge. They not only gave me a good estimate but they completed the work a day early! I highly recommend McCullough NAPA Auto Care to you. You will not be disappointed by the care they put into your vehicle.
Byung Ham
March 13, 2020 -
This place has fantastic service times and an extremely knowledgeable staff. First time I went was for an emergency tire change and it went even more smoothly than I would have ever thought possible. Definitely recommend for any/all vehicle maintenance.
lee griner
November 18, 2019The team at McCullough Auto Care are so friendly, thorough, and timely. They know the cars bumper to bumper and how to properly diagnose the problem as well as do scheduled maintenance. They really work with you to do what is necessary to make your car safe and not hit your wallet too hard! I can say that I trust Eric and his team with our cars.
Victoria Mills
October 29, 2019I have used McCullough Auto Care for more than10 years. I needed a reliable auto maintenance service because I commuted weekly to Birmingham. One of the nice things about these guys is they listen when I mention an issue with the car, go over their inspection results of my car and review my bill in detail. I have never been disappointed in their service or the cost of the service I received.
Bill Scales
March 31, 2022 -
Honest pricing..."as promised" timely repairs... and good customer service! - I keep coming back to McCullough with a different vehicle (Nissan Truck/Honda Truck/Honda Car) and they knock it outta the park every time!
Michael Smith
January 25, 2020I know for me one hard thing about choosing a mechanic is brushing off all previous notions I have about mechanics Potentially not treating my car how they would treat their own car. This place has done more than exceed my expectations. I got a phone call for every update, I got a thorough description of what was to be done and what was wrong, not only that, but where the dealership said it would take them two weeks to fix my car, these guys did it in less than 24 hours. I have never been happier to spend $300 in my life. Anything I need in the future, you can be sure I’ll bring it here.
Erik Davis
September 10, 2020 -
Eric and everyone at the shop is fantastic. I call and they are so kind and accommodating. No wonder they have so much business!!! Despite the amount of customers they have, they treat everyone with respect and attention. Love doing business here. Could recommend more. Fast, excellent service !! -Alexa
Sam Loy
May 16, 2022 -
McCullough Auto Care has earned our trust over the past two years by consistently giving us quality, reliable repairs at fair prices. The staff is polite, knowledgeable, and never tries to talk us into things we don't need or want. We will continue to trust McCullough for all of our repairs.
Laura Lane McKinnon
October 10, 2021I own and automotive repair business in Jacksonville, but my wife lives in Atlanta and needed tires for her car, so I know good service and fair pricing in this industry. I chose McCullough because of their good reviews and they did not disappoint. They were very professional and took good care of my wife. I would highly recommend them and will continue to use them for her service needs.
John Greenfield
October 21, 2019Eric and Company are a first class operation! They get it right the first time in every time! They will pick me up and drop me off to make it 100 times more convenient. They treat me like family and look after my best interest not just their bottom line! These are the kind of people that I value doing business with
paul yurfest
February 15, 2021 -
This place is exactly the kind of service you come to expect. Great service, timely, and they never assume I don’t know what I’m talking about because I’m a girl.
Susan James
November 12, 2021This has to be the best shop in town! When I got my car fixed the last time, It drove live new. I've never been so happy to get my car fixed in my life. They were very friendly and honest. This will be my go to place from now on. Not too far from my house which is a huge plus but even if it were, I'd be game to making the trip. Thanks for being honest and giving great service!
Davida Rose
October 9, 2019Have been going to McCollough’s for decades! Once I found them, I knew they were honest and professional. Not often one can say that about an auto repair place. They have helped me keep my older vehicles safely on the road for longer than I could imagine. I have always been treated with respect, no matter how large or small the issue, which is excellent and reassuring for an older woman.Highly recommend them!
Marti Griffin
March 16, 2022 -
They figured out the issue with my Pathfinder and made the repair quickly. Eric is very thorough and kept me up to date the entire time. This was my first time using them but I will use them again!
Michael Meyer
October 21, 2021I had a check engine light on Saturday afternoon, ended up being an engine coil pack needing to be replaced. It was obviously super busy and I knew I would need to leave it until Monday to get looked at. Staff was very informative and communication was excellent. Got it looked at Monday and ordered necessary part to come in the next day. Went ahead and did the spark plugs as well since I was nearing 60k miles. Picked it up after lunch with no issues. Seems like they do really well with the small space provided and very busy area right off 285
Jason
July 21, 2021McCullough has been my family's go-to mechanic for decades. Don't know what I would do without them - just a super-nice family that will take care of your cars. Their service is important to us because once we get a new car, we like to hold onto it for years (10-12). Highly recommend.
Sam
December 3, 2021 -
Great customer service! Eric and team did an awesome job coordinating their busy schedule with the schedule of my girlfriend and myself so that we would have a car during the work week and then trade off cars when the other was ready. They are extremely friendly and it felt like they had us as the customer in mind. Highly recommend!
Andrew r
June 10, 2021 -
I was so impressed with these guys!! Family business and the guys are professional, efficient, and personable. They got my part quickly and fit me in so I could come while my kids were at school. They went the extra mile (no pun intended) to consult with another auto body shop to make sure the repair was stable. I will be coming back for all future auto needs and will recommend them widely.
Deb in Atanta
September 10, 2019 -
My parents and I have been taking our cars there since the beginning. Great, hardworking guys. The only mom and pop shop left in Sandy Springs.
kirby caramelo
January 2, 2022Got me in the same day and kept me up to date. Fixed what was needed and did not push any costly add ons like other places do. Feel like I can trust these guys.
Jason Hall
January 20, 2022Had experienced front tire damage hitting metal debris on I-285 just before Rosewll exit. Immediately exited on Roswell and saw NAPA sign and pulled in. Place was busy! But got attention immediately by Jeff service worker. Got tire off my car no waiting. Wow! Determined rim bent but tire still good. He could have sold me a new tire and i would have not known better. So appreciative. Then met with Eric McCullough and quickly arranged to have rim fixed. I decided on new tires for safety and were worn. Eric got me great deal on tires and had my car fixed SAME day. Eric runs a super customer-focused operation. Kudos! Bruce Fike
Bruce Fike
August 1, 2020
Signs Your GMC Needs Engine Repair or Replacement
If you notice any of these issues when driving, you may need GMC engine repair, maintenance, or replacement. The longer you wait to service your GMC, the more in-depth maintenance may be. We’d like to encourage you to bring your GMC in for service when you first notice these signs.
1 – Check Engine Light Is On
An illuminated check engine light can indicate various issues with your GMC engine. The issue may be minor, like a faulty oxygen sensor, but failure to have the issue repaired promptly could lead to a failed catalytic converter, which is a much more in-depth fix.
2 – Decreased Performance
Do you notice that you aren’t getting as many miles to the gallon as before? This could be the result of any number of engine issues. Minor services, like replacing spark plugs or swapping fuel filters, can help restore engine performance.
3 – Fluid Leak
Leaking fluid is always a sign that something is wrong with your car. Your engine can suffer negatively from a coolant, antifreeze, or oil leak. If you notice fluid dripping from your GMC, bring it into our shop for service.
For professional GMC engine repair, maintenance, or replacement, visit McCullough NAPA Auto Care in Sandy Springs, Georgia. Our team has over 50 years of servicing GMC vehicles. Feel free to call us at (404) 252-3014 or contact us online to schedule service.
Read More About Engine Repair and Replacement

Why Does My Engine Misfire?
Have you ever experienced a rough-running engine or felt your vehicle losing power? This may be due to an engine misfire. An engine misfire occurs when one or more cylinders fail to ignite properly during combustion. This issue can significantly impact your vehicle’s performance and should be handled promptly to prevent further damage.

What Could A Clogged Air Filter Do To Your Engine?
The engine air filter in your car keeps dirt and debris from entering your engine. Much like you, your engine needs clean air to function. A clogged air filter can cause your engine to work harder than it needs to.

How Often Should You Replace Spark Plugs?
Spark plugs provide the necessary electricity to ignite the air and fuel mixture in your car’s engine. This combustion creates the energy to start your engine and power the pistons. Without healthy spark plugs, you may experience a decrease in performance and fuel economy.

Why Your Car May Make A Loud Noise While Accelerating
Does your car make a loud noise while accelerating? Acceleration should be smooth and steady. If your car does make a loud noise when you

3 Common Causes of Engine Overheating
Keeping your engine running smoothly and at the proper temperature is possible with regular maintenance. The most common causes of engine overheating are preventable and