Mazda Auto Repair Shop in Santa Rosa, CA

Shape Effect | Transco Auto & Diesel Repair

Service and Repair of Mazda Vehicles

Transco Auto & Diesel Repair in Santa Rosa, CA has a team of specialists dedicated to Mazda vehicles. Mazda, a Japanese brand of vehicles which has become increasingly popular in the US automotive realm, derives its name from Ahura Mazda, an ancient Zoroastrian god of wisdom, intelligence, and harmony. Unlike its namesake, the quality of Mazda automobiles is no myth. From SUVs to Sedans, and trucks to hatchbacks, Mazda produces a wide array of quality vehicles the combine style, performance, and economy.

As a Mazda owner, you understand that it only makes sense to make sure that a quality vehicle receives quality service. When your Mazda needs maintenance or repairs, get the highest quality service by scheduling an appointment with our team of certified technicians.

Most shops focus only on the job under the hood, but we focus on more than just your car’s mechanical needs. We strive to provide a superior customer service experience from the moment you enter our shop until the moment you drive away, completely satisfied with the service you received.

Rely on the Word of Others

Trusted by your neighbors for honest repairs in Santa Rosa, CA

Reviews Stars Rating | Transco Auto & Diesel Repair

5-star Review by Michael H

Dave and his team did an excellent job with one of my shops vans. The van was diagnosed the first day, ordered necessary parts and got the van back to me in a timely matter and the cost was very reasonable.  Thanks Team Transco!

Reviews Stars Rating | Transco Auto & Diesel Repair

5-star Review by Tyler Schallert

Dave got my truck in same day for a very reasonably priced diagnostic. He found the issue and was very honest and didn’t try to upsell me on extra work I didn’t need and instead let me know it was a quick and easy repair. I will definitely be using him for any work needed on my cars in the future!

Services We Offer in Santa Rosa, CA

Everything your vehicle needs — under one roof

Transmission Repair

Your transmission is the link between your engine and your wheels, and keeping it in top condition is essential for reliable performance. Our ATRA-certified technicians diagnose and repair transmission issues on automatic, manual, and semi-automatic vehicles with precision you can trust.

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Engine Repair

Your engine powers everything, and even minor issues left unaddressed can lead to costly repairs down the road. Our ASE-certified technicians use advanced diagnostic equipment to accurately identify and resolve engine problems on foreign and domestic vehicles.

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Diesel Repair

Diesel engines require specialized knowledge and equipment to service properly. Our experienced technicians handle everything from glow plug replacement and fuel injector service to full diesel diagnostics, keeping your diesel-powered vehicle running at its best.

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Mazda Repair Nearby

Expert Mazda Repair and Maintenance in Santa Rosa, CA and the Surrounding Areas

Located in the heart of Santa Rosa, CA, Transco Auto & Diesel Repair has been a trusted name in automotive service for over 60 years. Our shop on Santa Rosa Ave is easy to find and convenient to reach for drivers throughout Sonoma County and the surrounding region. Whether you need transmission repair, diesel service, engine work, or routine preventive maintenance, our ASE-certified technicians are ready to help you get back on the road with confidence. We proudly serve generations of families who have counted on us for honest, reliable repairs.


At Transco Auto & Diesel Repair, we make every visit as hassle-free as possible. We offer 24-hour key drop-off so you can bring your vehicle in on your schedule, and our complimentary pick-up and drop-off service within a 7-mile radius of the shop means you never have to worry about a ride. As a NAPA AutoCare Center, ATRA-certified shop, and AAA Approved Auto Repair facility, we hold ourselves to the highest standards in the industry. Drivers from across Sonoma County and beyond trust us to deliver quality workmanship and straightforward service every time.

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