Chevy Duramax Diesel Service & Repair
At 3A Automotive & Diesel, we are determined to get your Chevy truck back where it belongs: on the road. Whether you own the heavy-duty 6.6 Liter Duramax Turbo-Diesel or the 2.8 Liter Duramax found in the Colorado and Express, our certified technicians have the knowledge to provide expert maintenance and repairs for your hard-working vehicle.
OUR PROCESS
1
We use the latest tools and diagnostic equipment to get to the bottom of every problem.
2
Our Service Advisors are prepared to explain every detail, ensuring you are never steered wrong.
3
We handle everything from routine fluid changes to fleet consultations and major mechanical repairs.
4
We prioritize transparency, communicating every detail of the diagnostic process and providing estimates before any work begins.
SIGNS YOU MAY NEED SERVICE
"Reduced Power" warning message on the dashboard.
Poor fuel mileage or loss of towing capacity.
Coolant leaks or signs of engine overheating.
Unusual vibrations while the engine is idling.
WHY CHOOSE 3A
Since 1975, 3A has been the preferred choice for Chevy owners in Phoenix.
We are a family-owned business that values honest advice over unnecessary upsells.
We build trust by recommending only the services you need to keep your fleet or personal truck running. Plus, every repair is backed by our industry-leading 3-year/36,000-mile warranty.
WHY THIS SERVICE MATTERS
Your Chevy Duramax is a precision machine built for durability. Neglecting routine maintenance can lead to issues with the fuel system, turbocharger, or emissions components. Keeping up with scheduled service ensures your truck or fleet remains reliable, efficient, and capable of handling the Phoenix heat and heavy workloads.
3 YEAR WARRANTY
"We offer a 3-year/36,000-mile warranty on most repairs—up to 3× longer than dealers and typical shops. If a car came new with a 3/36 warranty, the parts we install should last just as long. And with nationwide coverage, you’re protected anywhere in the USA."
SEE MORE
Give your Chevy Duramax the professional care it needs.
Contact 3A Automotive & Diesel or schedule your service online to ensure your truck stays on the road for years to come.