Mon – Fri, 6AM – 2:30PM (Central)
Sat + Sun, Closed

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Diagnostics & Maintenance

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  • Fleet Diagnostics & Preventative Maintenance Services

    Keeping your fleet running efficiently starts with accurate diagnostics and regular maintenance.

    At 312 Truck Body Repair & Painting, we provide comprehensive diagnostic services and preventative maintenance to identify potential issues before they become costly repairs. From advanced engine diagnostics to routine maintenance services, we help fleet operators and truck owners reduce downtime, improve fuel efficiency, and extend the lifespan of their vehicles.

    What to Expect
    Advanced Computer Diagnostics

    State-of-the-art scanning tools to detect engine issues, electrical faults, and sensor malfunctions.

    Semi-Truck Preventative Maintenance

    Oil changes, fluid checks, filter replacements, and system inspections for long-haul reliability.

    Fleet-Wide Maintenance Plans

    Customized maintenance schedules to keep your entire fleet operating at peak performance.

    Brake, Suspension & Steering Inspections

    Prevent unexpected failures and ensure driver safety with routine inspections.

    Cooling System & Transmission Services

    Avoid overheating and performance loss with expert cooling and transmission maintenance.

    Check Out Our Diagnostic & Maintenance Services

    We're here to get your fleet back onto the road. Contact us for more information about any of these services.

    Advanced diagnostics and scanning for diesel and commercial vehicles. Ensure optimal performance and efficiency.
    Tailored maintenance plans for fleet vehicles. Keep your fleet running smoothly and minimize downtime.
    Preventative maintenance services for semi-trucks and fleets. Comprehensive solutions for safe and reliable performance.
  • Trusted in Chicagoland & Surrounding

    Get Back On the Road Today