Tri Valley Auto Repair and Diesel

Tri Valley Auto Repair and Diesel operates as a full-service auto and diesel repair facility at 1510 Main St in Limon, Colorado. Serving Limon and the surrounding eastern Plains communities, the shop has earned a 4.7-star rating across 388 customer reviews, demonstrating consistent quality over years of operation. The business handles all major and minor repairs for domestic, Asian imports, and diesel vehicles, includingDuramax, Cummins, and Power Stroke engines. Their service menu spans engine work, transmission repair, brake service, steering and suspension, alignments, oil changes, and comprehensive diagnostic testing.

The shop sets itself apart through its diesel expertise, a 3-year or 36,000-mile repair warranty that exceeds industry standards, and customer convenience amenities. Tri Valley offers shuttle service to get customers home or to work while their vehicle is being serviced, a connected convenience store for added accessibility during wait times. Their diagnostic process emphasizes accuracy, and the warranty protects customers long after the repair is complete, reducing the anxiety that typically comes with major auto repairs.

Customer testimonials repeatedly name technicians John, Jake, Justin, Dave, and Chris for their honesty, competence, and going above and beyond. One reviewer describes how the team replaced an engine, exhaust manifold, and AC compressor with fast turnaround, even lending a truck to help tow a trailer. Another notes the shop accommodated a breakdown during a long-distance trip from Grand Junction to Nashville, getting back on the road quickly. A third customer specifically praised their alignment and custom installation work on a truck, highlighting the team's willingness to handle non-standard requests.