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    DOT Inspections
    90-Day BIT Inspections
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    Diesel Diagnostics
    Fleet Maintenance
    Engine Repair
    EGR & DPF Repair
    Mobile Truck Repair
    Roadside Assistance
    Luxury diesel pusher motorhome in the Rapid Diesel Repair shop for RV service in Ontario CA

    RV Service in Ontario, CA.Your Home on Wheels.

    At Rapid Diesel Repair, we offer comprehensive services for heavy-duty trucks, trailers, and RVs in Ontario, CA. From preventative maintenance to diagnostics, we keep your vehicles running efficiently. Call us to learn more about our expert solutions.

    Light, Medium & Heavy Duty Diesel
    Ontario, CA & Inland Empire
    Keeping Trucks on the Road

    Schedule RV Service

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    Real challenges. Real solutions.

    Your RV deserves the best care.

    Your RV is more than just a vehicle. It’s your home on wheels, and it deserves the best care to keep you safe and comfortable on the road. At Rapid Diesel Repair, we specialize in comprehensive RV services for motorhomes and campers in Ontario, CA. Whether you’re planning your next big trip or addressing unexpected issues, our skilled technicians are here to help.

    Trip Ruining Breakdowns

    An engine or transmission failure far from home can end a vacation fast.

    Electrical Problems

    Weak house batteries, wiring faults and dead lights make camping hard.

    Heating and Cooling

    A failed AC or furnace makes your RV uncomfortable in Inland Empire heat or mountain cold.

    Roof Leaks

    Small seal failures let water in and cause expensive damage to walls and floors.

    What does RV service include?

    Our RV services cover a wide range of maintenance and repair needs to keep your motorhome running smoothly. From minor fixes to major repairs, we’re equipped to handle it all with precision and care.

    Engine and Transmission Repairs

    Ensuring your RV performs reliably on the road. We work on diesel pusher engines such as Cummins, and on the Allison transmissions found in many motorhomes.

    CALL RAPID DIESEL(909) 701 8755Talk with a diesel repair specialist

    Electrical System Troubleshooting

    Addressing battery, wiring, and lighting issues for optimal functionality, including chassis and house battery charging problems.

    CALL RAPID DIESEL(909) 701 8755Talk with a diesel repair specialist

    HVAC Repairs

    Keeping your heating and cooling systems in top condition for year-round comfort.

    CALL RAPID DIESEL(909) 701 8755Talk with a diesel repair specialist

    Tire and Suspension Maintenance

    Enhancing safety and ride quality. We check tire age and pressure, shocks, air bags and steering components.

    CALL RAPID DIESEL(909) 701 8755Talk with a diesel repair specialist

    Roof Inspections and Leak Repairs

    Protecting your RV from water damage by inspecting seams, vents and sealant.

    CALL RAPID DIESEL(909) 701 8755Talk with a diesel repair specialist

    Preventive Maintenance

    Regular fluid changes, filter replacements, and comprehensive system checks.

    CALL RAPID DIESEL(909) 701 8755Talk with a diesel repair specialist

    Get back on the road in 3 steps.

    A simple process so you always know what is happening with your truck.

    1

    Tell us what’s going on

    Tell us about your RV, its chassis and what you are noticing.

    2

    We inspect and diagnose

    We inspect the mechanical and living systems and explain what we find.

    3

    Repair and roll

    We complete the repairs so you can travel with confidence.

    What makes us different?

    We understand RV owners.

    At Rapid Diesel Repair, we understand the unique needs of RV owners. Our team is committed to providing top-tier service that keeps your motorhome road-ready. Here’s what sets us apart:

    Expert Technicians

    Skilled in diagnosing and repairing the complex systems of RVs.

    Comprehensive Care

    We offer everything from engine work to interior system repairs.

    Customer Focused

    Clear communication and fast service to get you back on the road.

    Convenient Location

    Serving Ontario and the surrounding Southern California region. Whether you’re a full-time RVer or a weekend explorer, you can trust us to keep your vehicle in peak condition.

    Why choose Rapid Diesel Repair?

    Comprehensive Expertise

    From heavy-duty trucks to RVs, we service all diesel vehicles.

    Fast Turnarounds

    We understand downtime costs money, so we work efficiently without cutting corners.

    Customer-Focused Approach

    Clear communication, transparent pricing, and top-notch service are our priorities.

    OntarioRancho CucamongaFontanaRiversideSan BernardinoPomonaChinoEastvaleUplandLos AngelesOrange County

    Frequently Asked Questions

    RV Service FAQs

    Straight answers about motorhome and RV service.

    We serve Ontario, San Bernardino, Riverside, Los Angeles, Orange County, and the Southern California Inland Empire.

    Contact us about RV service now!

    Ready to give your RV the care it needs?

    Call Rapid Diesel Repair at 909-701-8755 to schedule your RV service in Ontario, CA. Let us help you enjoy your travels with confidence and peace of mind.