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Comprehensive GM Repair Services
General Motors vehicles and equipment are known for their performance, durability, and advanced technology. From light-duty pickups to heavy-duty work trucks, Patriot Diesel and Automotive provides complete GM repair, maintenance, and diagnostic services designed to keep your equipment running strong.
Advanced Diagnostics: We use OEM-level GM diagnostic software to detect and resolve issues in your engine, transmission, electrical system, and emissions components. Our precise troubleshooting process ensures quick, accurate repairs with minimal downtime.
Duramax Engine Repair & Service: As specialists in Duramax diesel engines, our technicians handle everything from injector and turbo replacements to full rebuilds. Whether your truck is used for daily driving or heavy hauling, we’ll restore factory performance and reliability.
Transmission & Drivetrain Service: We service and repair GM transmissions, transfer cases, and driveline components to ensure smooth shifting and optimal power delivery—whether on the road or at the job site.
Preventive Maintenance: Consistent maintenance keeps GM vehicles dependable. We offer oil and filter changes, fluid checks, and system inspections to help you avoid costly repairs and extend the life of your vehicle.
Why Choose Patriot Diesel and Automotive?
- GM Specialists: Certified technicians experienced in repairing and maintaining General Motors vehicles and diesel engines.
- OEM Diagnostics: Factory-grade tools for accurate fault detection and system testing.
- Quality Parts: We use OEM or equivalent parts for superior reliability and performance.
- Transparent Service: We value honesty and communication—no upsells, just straightforward, trusted repairs.
Our Locations
Patriot Diesel proudly operates three state-of-the-art facilities in Cheyenne, Wyoming, to serve all your diesel and automotive repair needs:
- Heavy-Duty Shop – 2503 E. Foxfarm Rd., Cheyenne, WY 82007
- Light-Duty Diesel Shop – 2507 E. Foxfarm Rd., Cheyenne, WY 82007
- Automotive Shop – 1811 Hinkley Dr., Cheyenne, WY 82007
Schedule Your GM Repair Service
When your GM truck or equipment needs expert service, turn to Patriot Diesel and Automotive. Contact us today to schedule your repair or diagnostic appointment. Our experienced team is ready to restore your vehicle’s power, performance, and reliability—so you can stay confident on the road or at work.
