DIESEL REPaIR aND SERVICE

aDVaNCED DIESEL REPaIR FROM CERTIFIED TECHNICIaNS

Diesel vehicles demand specific knowledge, equipment, and care—and that’s exactly what we provide at Southwest Auto. Whether you’re driving a diesel SUV, van, or RV, our certified technicians use OEM parts and follow manufacturer service procedures to deliver long-lasting performance. From glow plugs and fuel injectors to turbo systems and filters, we understand how every part affects your vehicle’s reliability.

As a family-owned shop, we’re proud to be the dealership alternative for diesel drivers across the DFW area. We offer clear diagnostics, honest recommendations, and repairs you can trust—never overselling or rushing your experience. You’ll receive a full breakdown of what’s needed and why before work begins, and enjoy conveniences like after-hours drop-off, digital updates, and warranty-backed service. Whether for maintenance or major repairs, we’re here to keep your diesel vehicle strong.

DIESEL SERVICES ROOTED IN RELIaBILITY

Diesel engines are built for durability, but they also require specialized knowledge to maintain properly. At Southwest Auto, we understand the unique characteristics of diesel-powered vehicles, from combustion timing and turbo systems to glow plugs and fuel injection. We approach every diesel repair with precision and use OEM components to maintain reliability and performance over time.

We treat every diesel customer like part of our extended family. That means you’ll get clear diagnostic results, realistic timelines, and an honest explanation of what needs service—never vague recommendations. We’ve earned the trust of DFW drivers with more than 37 years of proven expertise, and we continue to prioritize convenience and transparency. With flexible scheduling, after-hours drop-off, and a 3-year/36,000-mile warranty, we’re your dependable partner for diesel care.

vehicles serviced

comfort, convenience, & confidence

10% off parts & labor (up to $50) for Military, Teachers, Students, and First Responders