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Our Services

Comprehensive commercial vehicle services to keep your fleet moving

Complete Commercial Vehicle Services

Ontario Truck Repair offers a full range of maintenance and repair services for all types of commercial vehicles. Our certified technicians have the expertise and equipment to handle everything from routine maintenance to complex repairs.

Engine Diagnostics

  • Computer diagnostics
  • Troubleshooting
  • Performance analysis
  • Emissions testing
  • Exhaust gas analysis

Engine Repairs

  • Complete overhauls and rebuilds
  • Turbocharger service/replacement
  • Cooling system repairs
  • EGR system service
  • Cylinder head work

Fuel Systems

  • Injector replacement/cleaning
  • Fuel pump service/replacement
  • System diagnostics
  • Fuel line repairs
  • Fuel tank inspection/repair

Additional Services

  • Timing belt/chain replacement
  • Aftertreatment systems (DEF/DPF)
  • Oil leak diagnosis/repair
  • Oil cooler replacement
  • Glow plug replacement

Manual Transmission

  • Clutch replacement/adjustment
  • Gearbox service/rebuild
  • Synchronizer repair
  • Shift linkage adjustment
  • Transmission mount replacement

Automatic Transmission

  • Fluid service/flush
  • Control module repair/replacement
  • Torque converter service
  • Complete transmission rebuild
  • Shift solenoid replacement

Driveline

  • Driveshaft service/balancing
  • U-joint replacement
  • Carrier bearing service
  • Yoke replacement
  • CV joint service

Differentials

  • Gear service/replacement
  • Bearing replacement
  • Axle seal repair
  • Differential fluid change
  • Limited slip service

Foundation Brakes

  • Pad/shoe replacement
  • Rotor/drum resurfacing/replacement
  • Caliper repair/replacement
  • Brake chamber replacement
  • Brake line inspection/replacement

Air Brakes

  • Air chamber replacement
  • Valve service/replacement
  • Slack adjuster repair/adjustment
  • Air dryer service
  • Compressor repair

ABS Systems

  • System diagnostics
  • Wheel speed sensor replacement
  • Module repair/replacement
  • ABS valve replacement
  • System bleeding

Hydraulic Brakes

  • Line inspection/replacement
  • Master cylinder replacement
  • Wheel cylinder replacement
  • Brake fluid flush
  • Proportioning valve service

Suspension

  • Shock/strut replacement
  • Spring service/replacement
  • Air ride system repair
  • Bushing replacement
  • Leaf spring repair

Steering

  • Gearbox service/replacement
  • Tie rod replacement
  • Pitman arm replacement
  • Power steering pump repair
  • Steering column service

Alignment

  • Wheel alignment
  • Tracking adjustment
  • Axle alignment
  • Caster/camber adjustment
  • Toe-in/toe-out adjustment

Chassis

  • Bushing replacement
  • Ball joint replacement
  • King pin replacement
  • Frame inspection/repair
  • Fifth wheel service

Charging System

  • Alternator service/replacement
  • Battery replacement/testing
  • Starter repair/replacement
  • Battery cable replacement
  • Voltage regulator service

Lighting

  • Headlight repair/replacement
  • Marker light service
  • Trailer wiring repair
  • LED light upgrades
  • Lighting circuit diagnostics

Battery Services

  • Battery testing/replacement
  • Battery cable repair
  • Terminal cleaning/replacement
  • Battery box repair
  • Jump start services

Diagnostics

  • Computer scanning/programming
  • Wiring harness repair
  • Module programming
  • Fuse/relay service
  • Ground connection repair

Tire Services

  • Complete tire inspection
  • Tire replacement/mounting
  • Rotation services
  • Tire repair (plugs/patches)
  • Tire pressure monitoring

Wheel Services

  • Wheel balancing
  • Alignment services
  • Wheel bearing service
  • Hub seal replacement
  • Wheel stud replacement

Alignment

  • Four-wheel alignment
  • Dynamic wheel balancing
  • Tire wear analysis
  • Tire pressure adjustment

Emergency Services

  • Flat tire repair
  • Roadside assistance
  • Spare tire installation
  • Tire inflation services
  • 24/7 emergency call-out

AC System Services

  • AC compressor replacement
  • Refrigerant recharge
  • Condenser repair/replacement
  • Evaporator core service
  • AC system diagnostics

Heating System

  • Heater core replacement
  • Blower motor service
  • Defroster system repair
  • Coolant valve service
  • Climate control diagnostics

Refrigeration Units

  • Reefer unit maintenance
  • Refrigerant leak detection
  • Thermostat calibration
  • Compressor service
  • Condenser cleaning

Ventilation

  • Duct cleaning
  • Vent repair/replacement
  • Cabin air filter replacement
  • Air flow diagnostics
  • AC control repair

Structural

  • Frame repairs/welding
  • Crossmember replacement
  • Decking repairs/replacement
  • Landing gear repair
  • Underride guard service

Doors & Access

  • Roll-up door service/repair
  • Swing door repair/adjustment
  • Seal replacement
  • Latch mechanism repair
  • Door track alignment

Hydraulic Systems

  • Hose replacement
  • Valve service
  • Hydraulic fluid service

Specialized Services

  • Welding/fabrication
  • Trailer lighting repair
  • Brake system service

Scheduled Maintenance

  • Oil/filter changes
  • Fluid services
  • Lubrication services
  • Belt/hose inspection
  • Filter replacements

Inspections

  • DOT inspections
  • Pre-trip inspections
  • Annual safety inspections
  • Pre-purchase inspections
  • Fleet maintenance programs

Fluid Services

  • Engine oil changes
  • Transmission fluid service
  • Coolant system flush
  • Differential fluid change
  • Power steering fluid

Seasonal Services

  • Winterization services
  • Summer cooling checks
  • Fuel additive treatments
  • Battery winter care
  • Tire seasonal changes

Professional Truck & Fleet Services

Our experienced technicians provide comprehensive repairs and maintenance for all commercial vehicles, from light duty to heavy trucks and trailers.

Complete diagnostics

Scheduled maintenance

Mechanical repairs

Electrical systems

Tire & wheel services

Trailer repairs

Schedule Service
Truck repair services