RELIABLE DIESEL TRUCK REPAIR YOU CAN COUNT ON
Our diesel repair shop delivers expert service backed by skilled mechanics and high standards of workmanship. From semi trucks to heavy-duty pickups - and everything in between - we handle it all under one roof, including engine diagnostics, brake repairs, axle work, cooling systems, and more. Proudly serving the greater Denver area, we’re the trusted choice for business fleets and owner-operators who expect reliable repairs done right the first time.
Need Fast Diesel Truck Repairs? Call Us Today!
Serving truck owners and fleets across the greater Denver area.
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Diesel Truck Services We Provide:
Our diesel repair shop offers a full range of in-shop services for heavy trucks, semi-trucks, medium duty trucks, and commercial/fleet vehicles. Our ASE certified technicians provide everything from engine diagnostics and suspension service to after treatment system service and trailer maintenance. Whether it’s for fleet management or for your own rigging, we provide reliable repairs to get you back on the road. Check out all of the services we offer below:
Trailer & Reefer Unit Repairs
Whether you have semi trailer or need an emergency reefer repair, we offer you immediate, highly trained and knowledgeable trailer and reefer repair. You can put your trust in our hands - We are the top locally trusted diesel mechanic shop in the metro area.
Semi Truck Repair
We specialize in
semi truck repairs keeping your rig running smoothly - all year round. From engine diagnostics to transmission repairs, our expert technicians provide fast, reliable service to get you back on the road. Call now to schedule your semi truck repair!
Truck Suspension & Powertrain Repairs
A failing suspension can cause steering issues, uneven tire wear, and poor handling. At
Diesel Repair Denver, we offer expert truck suspension repairs, including powertrain issues and diagnostics - ensuring a smooth and safe ride.
Contact Us today for suspension inspections and repairs!
Aftertreatment Services
We diagnose and repair all diesel aftertreatment issues, including DPF, DEF, EGR, sensors, and regen system failures. Whether you’re dealing with forced regens, check engine lights, or DEF dosing problems, our team keeps your truck compliant and running clean.
Charging & Battery Issues
Our professional techs are experts at diagnosing and repairing diesel truck batteries and charging issues. We do alternators, starters, wiring and deep-cycle battery changes.
Brake System Failures
We provide complete diesel brake repair with air brake system diagnostics, hydraulics systems, pad and rotor replacement, and DOT inspections for our commercial truck customers.
Transmission Repair
Reliable transmission repair for commercial trucks. We offer rebuilds, clutch replacements, transmission replacements, fluid leaks and diagnostics for both automatic and standard systems.
Diesel Truck A/C Repair
Receive quality diesel truck A/C repair. We do it all - Compressor swaps to refrigerant recharge - we'll have your cab cool again in no time for your semis and heavy-duty trucks.
Oil Change & Maintenance
Quick & affordable diesel oil changes. We rely on high-mileage synthetic blends and check filters, belts, and fluids to keep your diesel engine running at top condition. We work on both semi-trucks, heavy-duty, medium duty and pickups.
Fuel System Diagnostics
Get fast, reliable diesel fuel system diagnostics for commercial, heavy-duty, medium duty, and pickups. We handle diagnostics, injector cleaning, fuel pump replacement, and fuel line repairs to keep your engine performing at its best.
Cylinder Head Repair
We specialize in hydraulic cylinder repair and diagnostics for heavy-duty trucks, semi-trucks and medium duty trucks. Whether it's cylinder head replacement, rod repairs, resurfacing the deck, liner replacement or full pump kit installs, our team restores your hydraulic systems for top performance.
Def System & Regen Issues
Trouble with your DEF system or regen cycles? We diagnose and repair DEF-related issues fast - from sensors and dosing valves to forced regens and check engine light resets. Our goal is to eliminate check engine lights to be in compliance with emissions.
Turbocharger Repair & Replacement
Boost performance and fuel efficiency with our expert diesel turbocharger repair. We diagnose boost loss, noisy turbos, power loss, smoke issues, and failed seals - and offer full turbo replacements & rebuilds when needed. Get your power and reliability back on the road.
Diesel Engine Diagnostics
Check engine light on? Our advanced diesel diagnostics quickly pinpoint problems like sensor failures, fuel issues, electrical faults, and power loss. Using dealer-level tools, we’ll scan your truck, decode fault codes, and get you back on the road with confidence.
Engine Rebuilds/ Repairs
We handle full diesel engine rebuilds and in-frame repairs for heavy-duty trucks and semis. Whether it’s power loss, overheating, or a complete engine failure, our expert technicians restore performance and reliability the right way.
When your diesel truck requires professional in-shop service, you’ve come to the right place. Our experienced ASE Certified mechanics are skilled in everything from engine diagnostics and turbocharger repair to brakes, cooling systems and beyond, and they all do this from one welcoming location. We provide service to the Denver, Westminster, Thornton, and surrounding areas and have built a loyal following of truck owners who want the highest level of service without the dealership prices. Ready to have your truck in the best shape ever? Call us today to book your service.