GMC Auto Service in
Whitewright, TX

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4444 Reviews

Service and Repair of GMC Vehicles

PROFESSIONAL GMC SERVICES IN Whitewright, TX


At Grayson County Diesel in Whitewright, TX, we proudly provide expert repair and maintenance for hardworking GMC diesel trucks, vans, and utility vehicles. Whether it’s a Sierra 2500HD hauling equipment or a Savana work van delivering on the job site, GMC vehicles are built to perform—and we’re here to make sure they stay that way.

Our technicians specialize in diesel systems and the demands placed on heavy-duty trucks. We handle everything from oil changes and DEF system service to complex engine diagnostics and driveline repairs. No matter the job, you can count on us to deliver precision workmanship that keeps your GMC performing under pressure.

We don’t just fix trucks—we build trust. Our customer-first approach means you’ll always get honest advice, detailed explanations, and a straightforward service experience from start to finish.

For professional GMC diesel service in Whitewright, TX, choose the team that truck owners rely on. Visit Grayson County Diesel today or give us a call to schedule your appointment.

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Loved By Customers

Real Stories from Happy Drivers in Whitewright, TX


5-Star Review by Rhody Norris

Most professional, friendly and doesn’t price gouge. If I could give more than 5 stars I would. Definitely will be going back
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5-Star Review by Dawson Stewart

They finished my truck and I’m more than pleased with it. Great owners and great staff! I will be coming back in the future

5-Star Review by Andy Weeks

Had to have evaperator core, did heater core while there because of age. Correctly diagnosed and repaired first time. Will use again!

5-Star Review by Rhody Norris

Most professional, friendly and doesn’t price gouge. If I could give more than 5 stars I would. Definitely will be going back

5-Star Review by Dawson Stewart

They finished my truck and I’m more than pleased with it. Great owners and great staff! I will be coming back in the future

Automotive Services

Reliable Car Maintenance and Repairs in Whitewright, TX


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AC & Heating

Repair Services

Keep your vehicle comfortable year-round with expert A/C and heating repair. Proper climate control isn't just about comfort—it's essential for safety, preventing windshield fogging.

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Brake Repair &

Replacement

Ensure your safety with professional brake repair services. Well-maintained brakes are crucial for reliable stopping power, reducing the risk of accidents and providing peace of mind.

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Engine Repair &

Diagnostics

Trust our engine repair and diagnostics to keep your vehicle running smoothly. Early detection and repair of engine issues prevent costly breakdowns and extend the life of your car.

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GMC REPAIR NEAR ME

OUR MECHANICS PROVIDE QUALITY GMC REPAIR SERVICES IN Whitewright, TX


Nestled in the heart of Whitewright, TX, Grayson County Diesel & Auto Repair is your reliable destination for exceptional diesel repair and maintenance services. Our prime location makes it convenient for residents of Whitewright and surrounding communities to access expert automotive care. Whether you need routine maintenance or more extensive repairs, our dedicated team is here to serve you. We proudly cater to customers from the following nearby cities and towns:

  • Sherman, TX
  • Denison, TX
  • Bonham, TX
  • Van Alstyne, TX
  • Melissa, TX
  • Leonard, TX
  • Bells, TX
  • Savoy, TX
  • Trenton, TX
  • Tom Bean, TX
  • Ector, TX
  • Blue Ridge, TX
  • Gunter, TX
  • Celina, TX
  • Prosper, TX
  • Howe, TX
  • Whitesboro, TX
  • Westminster, TX
  • Pilot Grove, TX
  • Randolph, TX
  • Princeton, TX
  • Collinsville, TX
  • Anna, TX
  • Van Vleck, TX