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    DOT Inspections
    90-Day BIT Inspections
    CARB Clean Truck Check Support
    Diesel Diagnostics
    Fleet Maintenance
    Engine Repair
    EGR & DPF Repair
    Mobile Truck Repair
    Roadside Assistance
    Peterbilt 579 semi trucks at Rapid Diesel Repair in Ontario CA

    Manufacturer Repair | Ontario CA

    Peterbilt Truck Repairin Ontario, CA.

    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
    Advanced Diagnostic Tools
    Faster Answers Less Downtime

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    What’s included

    What does it include?

    A Peterbilt truck needs dependable service when every day off the road affects your schedule. Rapid Diesel Repair in Ontario, CA provides diagnostics, maintenance, and repairs for Peterbilt owner-operators and commercial fleets.

    Engine, Transmission, and Clutch Repair

    A hard start, loss of power, overheating problem, or shifting complaint can point to several systems. Our technicians investigate the symptoms and diagnose engine, transmission, clutch, and cooling concerns before recommending the work.

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

    Brakes, Electrical, and Emissions Systems

    We inspect and repair brake problems and troubleshoot wiring, sensors, and other electrical faults. We also diagnose DPF, DEF, and related emissions system warnings on equipped Peterbilt trucks. Suspension inspections and repairs help address handling and wear concerns on trucks working under heavy loads.

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

    Peterbilt Models We Service

    We work on Peterbilt trucks including the 389, 579, and 567. Each model can have different engine and drivetrain configurations, so we tailor the inspection to the vehicle and its symptoms. We also provide preventative maintenance to help fleets plan service before a problem takes a truck out of operation.

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

    Call Rapid Diesel Repair at (909) 701-8755 with your Peterbilt's year, model, engine, and repair concern to schedule service at our Ontario shop.

    Our process

    A clearer path to a fix.

    01

    Scan & Analyze

    We use advanced diagnostic tools to read codes, live data and system tests.

    02

    Find the Real Fault

    We go beyond code definitions to identify the true root cause.

    03

    Explain & Recommend

    We walk you through the issue and repair options before any work begins.

    Rapid Diesel Repair technician working in the Ontario CA diesel shop
    RAPID DIESEL REPAIR

    What makes us different

    Diesel expertise. Real results.

    Based in Ontario, CA, Rapid Diesel Repair is a full service diesel shop focused on accurate diagnostics and dependable repairs.

    Experienced Technicians

    Hands on experience with diesel trucks and fleet vehicles.

    Advanced Diagnostics

    We pinpoint problems accurately to minimize downtime.

    Quality Parts

    Durable components for long lasting repairs.

    Clear Communication

    We explain the repair and price before work begins.

    OntarioRancho CucamongaFontanaRiversideSan BernardinoPomonaChinoEastvaleUpland

    FAQ

    Frequently asked questions

    We work on Peterbilt trucks including the 389, 579, and 567. Each model can have different engine and drivetrain configurations, so we tailor the inspection to the vehicle and its symptoms.

    Diesel truck at dusk in the Inland Empire

    Ready to get answers?

    Let’s fix it right.

    Accurate diagnostics. Honest answers. Get back on the road faster.