Diesel Truck Maintenance in Leesburg, FL

Keeping a fleet on the road requires consistent, high-quality maintenance. At DMR Diesel Repair, we offer comprehensive fleet maintenance programs designed to prevent breakdowns, extend vehicle lifespan, and reduce costly repairs. Whether you operate a construction fleet, service trucks, or work vehicles, our expert technicians provide routine inspections, fluid services, brake checks, and more to keep your fleet running at peak performance.

Following manufacturer-recommended service intervals is essential for optimal truck performance and longevity. We offer 30K, 60K, and 90K mileage services, including inspections, fluid changes, and component replacements to ensure your diesel stays in top shape.

A clean, efficient fuel system is vital for performance and fuel economy. We inspect and replace fuel filters, check injectors, and service fuel pumps to keep your engine running smoothly and prevent clogs or failures.

Diesel engines generate significant heat, making cooling system maintenance critical. We inspect and service radiators, thermostats, coolant levels, and hoses to prevent overheating and engine damage.

Braking performance is crucial for safety, especially when hauling heavy loads. We inspect and replace brake pads, rotors, calipers, and brake fluid to ensure your truck stops safely and efficiently.

Regular transmission service helps prevent slipping, overheating, and shifting issues. We inspect transmission fluid levels, filters, and seals, ensuring smooth and reliable operation.

A well-maintained suspension keeps your truck stable and comfortable on the road. We inspect and service ball joints, tie rods, track bars, and shocks to prevent excessive wear and handling issues.

Whether your A/C is blowing warm air, making unusual noises, or failing to turn on, we provide full-service A/C repairs. Our services include system diagnostics, refrigerant recharges, leak detection, and component replacements, ensuring you stay cool and comfortable no matter how hard your truck works.

A reliable electrical system is essential for ignition, lighting, and onboard diagnostics. We test batteries, alternators, wiring, and control modules to ensure your truck operates efficiently.

Dirty filters can restrict airflow, reduce efficiency, and cause engine strain. We replace air, fuel, and cabin filters with OEM-grade parts to protect your engine and maintain peak performance.

Our multi-point inspections identify potential issues before they turn into costly repairs. We thoroughly check your truck’s fluids, belts and hoses, ensuring optimal performance, reliability, and comfort on the road.