05

Heavy Duty Diesel Repair & Fleet Services

Salinas Valley Automotive has the tools, training, and experience to keep your diesel trucks and fleet vehicles performing at their best.

About Our Services

Heavy-duty diesel equipment demands a shop that knows what it's doing — Salinas Valley Automotive in Salinas has the tools, training, and experience to keep your diesel trucks and fleet vehicles performing at their best. From single owner-operators to full Monterey County commercial fleets, our certified heavy-duty technicians handle everything from routine diesel maintenance to complex repairs, keeping your equipment compliant, reliable, and earning. Every day your truck is down is money out of your pocket — we work efficiently to get your fleet back on the job fast.

What Our Heavy-Duty Diesel Repair & Fleet Services IncludeOur comprehensive diesel and fleet service covers everything your commercial operation depends on:

  • Diesel Engine Diagnostics & Repair: Advanced OBD scanning and hands-on diagnosis of diesel engine performance issues, fuel system faults, turbocharger problems, and emissions system failures.
  • DPF Cleaning & Exhaust Aftertreatment Service: Clean or replace diesel particulate filters and service DEF systems, EGR valves, and SCR components to restore performance and maintain CARB compliance.
  • Transmission & Drivetrain Service: Inspect and service manual and automatic transmissions, differentials, driveshafts, and axles built for the demands of heavy-duty commercial use.
  • Preventative Fleet Maintenance: Scheduled oil changes, filter services, fluid checks, and inspections across your entire fleet to minimize downtime and extend vehicle service life.
  • BIT Inspection & Clean Truck Check (HD I/M): Keep your commercial trucks and school buses compliant with California's BIT and CARB Heavy-Duty Inspection and Maintenance requirements.
  • Brake, Suspension & Steering Repairs: Full service on air brakes, leaf springs, king pins, fifth wheel assemblies, and steering components built for heavy loads and long hauls.
  • Electrical & Lighting System Repairs: Diagnose and repair complex diesel electrical systems, chassis wiring, lighting, and safety equipment across all makes and models of commercial vehicles.

Monterey County fleet operators, owner-operators, and school districts trust Salinas Valley Automotive as their go-to heavy-duty diesel shop in Salinas. We understand the pressure of keeping a fleet running on schedule and on budget — and we treat every truck like it's our livelihood too. Contact us today to set up a fleet service account and keep your heavy-duty equipment road-ready all year long.

More Services

Related Services

Explore all services

01

Diagnostics

We use advanced diagnostic equipment to pinpoint issues fast from check engine lights to complex engine repairs on passenger vehicles, diesel trucks, and school buses.

Learn More

02

Preventative Maintenance

Our certified technicians keep your car, truck, or heavy-duty vehicle running at peak performance year-round, catching small issues before they turn into costly breakdowns. Monterey County drivers and fleet operators trust us to keep their vehicles reliable, safe, and on the road longer.‍

Learn More

03

Brakes, Suspension & Steering

Your brakes and suspension are critical to your safety on the road, don't wait until it's too late. We inspect, diagnose, and replace worn components to keep you in full control of your vehicle.

Learn More