Repair, Replacement, and Rebuilding of Heavy-Duty Truck Diesel Engines
From Diagnostics to a Complete Rebuild of Your Diesel Engine
MT Service Routier offers comprehensive diagnostic, repair, replacement, and rebuilding services for heavy-duty truck diesel engines, fleets, and commercial vehicles in Mirabel and on the North Shore.
Our
garage addresses issues such as loss of power, excessive smoke, overheating, oil consumption, leaks, loss of compression, engine codes, injection problems, and major repairs.
We evaluate each engine to determine whether a targeted repair, an in-frame repair, an overhaul, or a complete replacement is the best solution.

Diesel Engine Diagnosis Before Any Major Repair
We check for error codes, compression, fuel injection, leaks, overheating, and reported symptoms to recommend the appropriate course of action.

Diesel Engine Repair for Heavy-Duty Trucks and Fleets
Repairs for mechanical and electronic issues affecting performance, reliability, and safety.

Diesel Engine Rebuilding, Reconstruction, and Overhaul
Depending on the engine’s condition, rebuilding may include disassembly, inspection, replacement of worn parts, reassembly, and testing.

In-Frame Diesel Engine
Internal repair when the engine’s configuration and condition permit it.

Diesel Engine Replacement as Needed
Includes removal, installation, connections, and testing.
Brands Serviced
Service for fleets and carriers looking to minimize downtime and keep their trucks on the road.
Why MT Service Routier?
- Field experience
- Workshop capacity
- Clear diagnostics
- Direct communication
- Solutions tailored to fleets
