Professional Diesel Repair Services in Leesburg, FL
Diesel engines demand expert attention to perform at their best. At DMR Diesel Repair, our mission is to provide reliable, high-quality diesel repair and maintenance services that keep our customers’ vehicles running at peak performance. As an independent diesel shop, we are committed to delivering personalized, honest, and efficient solutions tailored to each client’s needs. With cutting-edge tools, expert craftsmanship, and a dedication to quality, we take pride in our work, ensuring that nothing leaves our shop that we wouldn’t trust for our own family. As your one-stop diesel shop, we strive to build lasting relationships through exceptional service, transparency, and a commitment to keeping the engines that power your business and life on the road.

Servicing the Industry’s Leading Diesel Engine Brands
At DMR Diesel Repair, we specialize in light-duty and Super Duty diesel trucks, including 2500-5500 models and F-250 to F-550 series. Our expertise covers the industry’s top diesel engine brands, ensuring precision repairs, maintenance, and diagnostics to keep your truck running at peak performance.
Duramax
Comprehensive care for Chevrolet and GMC diesel engines, focusing on fuel systems, turbochargers, emissions, and overall performance.
With our in-depth knowledge and dedicated diesel expertise, we provide customized solutions to keep your truck or fleet operating smoothly and efficiently.
All-Inclusive Diesel Repair & Maintenance Services
At DMR Diesel Repair, we offer a full range of diesel engine services, ensuring long-term reliability and efficiency.
Using scanners for Autel and Snap-On, we identify and fix issues, preventing major breakdowns.
Keep your diesel engine running strong with OEM-recommended maintenance. We provide fluid changes, filter replacements, inspections, tune-ups, and 30K, 60K, and 90K mileage checkups to maximize performance and longevity.
A failing turbo reduces power and fuel efficiency. We repair, rebuild, and replace diesel turbochargers to restore peak performance.
We address fuel injector, pump, and filter issues to improve efficiency and power delivery.
From radiators to thermostats, we fix overheating issues to protect your engine from damage.
Modern diesel engines rely on sensors and control modules. We troubleshoot and repair electrical systems for optimal performance.
Stay comfortable in any season with A/C and heating repairs for diesel trucks. We diagnose and fix compressor failures, refrigerant leaks, blower motor issues, and heater core problems.
We handle brake pad replacements, rotor repairs, ball joints, tie rods, and track bars to keep your truck safe and stable.
For businesses relying on multiple diesel trucks, we offer fleet maintenance services to reduce downtime and improve reliability.
Solving Diesel Engine Issues for Maximum Reliability
Diesel engines are built for durability but can develop issues over time. Some of the most frequent problems include:
- Turbocharger Failures: Worn or damaged turbos can cause power loss, excessive smoke, and strange noises.
- Fuel Injector Malfunctions: Clogged or failing injectors lead to poor fuel economy, rough idling, and hard starts.
- EGR & DPF Issues: Blocked EGR valves and DPF filters reduce engine efficiency and cause performance problems.
- Cooling System Failures: Overheating from faulty radiators, water pumps, or thermostats can lead to severe engine damage.
- Oil & Coolant Leaks: Leaks from worn gaskets and seals can result in overheating and loss of lubrication.
- Electrical & Sensor Issues: Faulty wiring, failing sensors, and control module problems can trigger warning lights and performance issues.
Regular maintenance and timely repairs help prevent these issues, ensuring a longer engine life.
Our Warranty:Quality Repairs Guaranteed
Our warranty provides coverage for 2 years or 24,000 miles, ensuring peace of mind and quality assurance for your diesel truck repairs.
Why Should You Bring Your Diesel Truck to DMR Diesel Repair?
Choosing the right diesel repair shop is essential to keeping your truck running strong. Here’s why truck owners and fleet managers trust DMR Diesel Repair in Leesburg, FL:
Specialized Diesel Expertise
Our technicians are diesel repair specialists, trained in Powerstroke, Cummins, and Duramax engines.
Commitment to Quality & Customer Service
We take pride in our work, ensuring every repair meets the highest standards. Nothing leaves our shop that we wouldn’t trust for our own family’s safety on the road.
Advanced Tools & Quality Parts
We use Snap-On and Autel scanners for precise diagnostics and OEM or premium aftermarket parts to ensure reliability and long-lasting performance.
Customer Convenience & Professional Shop
We offer a clean, organized workspace with a check-in desk for quick service, key drop and early bird drop-off for flexibility, digital vehicle inspections (DVIs) for transparency, and online scheduling for easy booking.
Reliable Warranty Coverage
We back our work with a 2-year/24,000-mile warranty, giving you peace of mind.
Keep Your Diesel Running Strongin Leesburg, FL
A well-maintained diesel engine is key to power, efficiency, and longevity. At DMR Diesel Repair, we specialize in diagnostics, maintenance, and repair to keep your truck road-ready. Proudly serving Leesburg, Lake County, Sumter County, Marion County, including Wildwood, Bushnell and Tavares, we ensure your diesel truck stays reliable and performing at its best.
Call Us Today: (352) 663-8010
Visit Us: 1407 Colfax St, Leesburg, FL 34748.
Don’t wait for breakdowns—book your diesel repair today! DMR Diesel Repair – Your One-Stop Diesel Shop!