Mobile Truck & Trailer Repair in Cornwall, Ontario
Truck or trailer breakdown near Cornwall? On-Road Repair dispatches a certified mobile mechanic anywhere along Highway 401, Highway 138, or surrounding roads in Stormont, Dundas & Glengarry County — 24 hours a day, 7 days a week.
Services We Provide in Cornwall
Heavy-Duty Truck Repair
On-site diagnosis and repair for all truck makes and models — engine, transmission, cooling, and drivetrain.
Brakes & Suspension
Air brake components, drum and rotor replacement, slack adjusters, leaf springs, and shocks.
Tire Repair & Replacement
Flat repairs, blowouts, tire mounting for steer, drive, and trailer positions — on Highway 401 or at your yard.
Electrical Diagnostics
ECM/ECU fault codes, ABS, lighting, wiring issues, and charging system failures resolved on-site.
Diesel Engine Repair
No-starts, overheating, turbo, injector failures, coolant leaks — fixed without a tow to a shop.
Trailer Repair
Doors, panels, brakes, suspension, and lighting for dry vans, flatbeds, reefers, and dump trailers.
MTO Safety Inspections
Certified DriveOn inspections at your yard — no need to drive to a licensed inspection station.
Areas Near Cornwall We Serve
- Cornwall
- Hawkesbury
- Casselman
- Morrisburg
- Iroquois
- Chesterville
- Ingleside
- Long Sault
- Lancaster
- Maxville
Stranded Near Cornwall?
Call us now — we dispatch immediately and provide an ETA on the spot.
📞 613-604-9796Request Service Online
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