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From routine maintenance to advanced diagnostics, HDR Services provides professional diesel repair for pickups, medium-duty trucks, heavy-duty trucks, and commercial fleets. Browse our services below, and if you don't see what you're looking for, give us a call—we're happy to help.
- DIAGNOSTICS & TROUBLESHOOTING
Modern diesel trucks rely on advanced electronics and sensors. Whether you're dealing with a check engine light, hard start, electrical concern, or drivability issue, our diagnostic process is designed to identify the root cause before unnecessary parts are replaced.
Check Engine Light Diagnostics
Electrical System Diagnostics & Repair
Hard Start & No Start Diagnosis
DEF System & Emissions System Diagnostics
Fuel System Diagnosis & Testing
DPF / EGR System Diagnostics
Battery & Charging System Diagnostics
Cooling System Diagnosis & Repair
Engine Performance & Drivability Concerns
ECM & Computer Diagnostics
Fault Code Diagnosis & Repair Recommendations
Don't see the service you're looking for? Call us at 540-907-2816. If it's diesel, there's a good chance we can help.
- maintenance SERVICES
Routine maintenance is the best way to reduce unexpected breakdowns and extend the life of your diesel truck. From fluid services and filters to cooling system maintenance, we help keep your truck reliable and ready for work.
Preventive Maintenance
Fluid & Filter Services
Coolant System Flush
Transmission Flush
Belt & Hose Replacements
Valve Cover Gasket & Glow Plug Service
Don't see the service you're looking for? Call us at 540-907-2816. If it's diesel, there's a good chance we can help.
- ENGINE & FUEL SYSTEMS
Engine performance problems can often be traced to the fuel system, turbocharger, injectors, or high-pressure oil system. We diagnose and repair these components to restore power, reliability, and efficiency.
Injector Diagnosis & Replacement
EGR System Repair
Turbochargers Diagnosis & Replacement
High-Pressure Oil System (HPOP, ICP & IPR)
Complete Fuel System Replacement
Don't see the service you're looking for? Call us at 540-907-2816. If it's diesel, there's a good chance we can help.
- Emissions & Exhaust
Modern diesel emissions systems require proper maintenance and accurate diagnostics. We service DPF, DEF, EGR, and exhaust components to help restore performance and reduce emissions-related issues.
DPF Diagnosis & Repair
DEF System Diagnosis & Repair
Exhaust System Repair & Performance Upgrades
Don't see the service you're looking for? Call us at 540-907-2816. If it's diesel, there's a good chance we can help.
- Brake & Suspension
Safe handling starts with a properly functioning brake and suspension system. Whether you're hearing unusual noises, feeling vibrations, or experiencing uneven tire wear, we can inspect and repair the components that keep your truck driving safely.
Brake Repair
Air Brake Service
Hydraulic Brakes
Wheel Bearings
Hub Assemblies
Suspension Repair
Steering Components
Ball Joints
Tie Rods
Don't see the service you're looking for? Call us at 540-907-2816. If it's diesel, there's a good chance we can help.
- Federal inspections
Federal DOT inspections are available by appointment for qualifying commercial vehicles. Call 540-907-2816 to schedule your inspection.
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