Trailer Repair & Maintenance in Montreal
Our Saint-Laurent shop maintains and repairs the trailers of fleets in Montreal and the Greater Montreal area: mechanical inspection, brakes and ABS, suspension and axles, air system, electrical and SAAQ mechanical inspection preparation.
Mechanical inspection
General inspection of trailer components: we check the condition of the brakes, suspension, air system, lighting and structure to catch defects before they turn into downtime.
- Inspection of the main components
- Detection of defects and wear
- Repair recommendations before breakdowns
Preventive maintenance
A regular maintenance program based on how your trailer is used and the size of your fleet: periodic inspections, greasing, replacement of wear parts and follow-up to reduce unexpected breakdowns.
- Planned periodic inspections
- Wear-part follow-up
- Program adapted to the fleet and its usage
Trailer brakes
Air brake repair and maintenance for trailers: the same technicians who handle your truck brakes handle your trailers. Full details live in our dedicated brake service page.
- Air brakes
- Brake chambers
- Valves
- Slack adjusters
- Drums
- Disc brakes, where applicable
- Air lines
Trailer ABS
Diagnostics and repair of trailer ABS systems: dashboard warning lights, sensors, wiring and electronic components. Full diagnostics are covered by our brakes and ABS service.
- ABS diagnostics
- ABS warning lights
- Sensors
- Wiring
- Electronic components
Suspension
Trailer suspension repair and replacement: air suspension, air bags, springs and related components to protect your load and your axles.
- Air suspension
- Air bags
- Springs
- Suspension components
Axles and wheel ends
Depending on the repair needed and your trailer's configuration: bearings, wheel seals, hubs and axle components. Contact us with your trailer details to confirm what we can take on.
- Bearings
- Wheel seals
- Hubs
- Axle components
Air system
Air leak detection and replacement of trailer air-system components: air lines, valves and glad hands. A leak-free air circuit is essential for safe braking.
- Air lines
- Valves
- Glad hands
- Air leak detection and repair
Electrical and lighting
Trailer lights, wiring, connectors and electrical diagnostics: we trace power and lighting faults that cause roadside stoppages and infractions.
- Lights
- Wiring
- Connectors
- Electrical diagnostics
Other components
Depending on the trailer type and the repair needed: landing gear, doors, kingpin and welding or structural work. Call us with the details to confirm availability.
- Landing gear
- Doors
- Kingpin
- Welding / structure
SAAQ mechanical inspection preparation
CM Montréal is NOT an SAAQ agent: the official mechanical inspection is carried out by an authorized agent. What we do is everything leading up to that appointment — so your trailer arrives ready.
- Inspect the trailer
- Identify defects
- Perform the repairs
- Prepare the trailer
- Coordinate the appointment with an agent when the service allows it
The official mechanical inspection is carried out by an authorized agent.
See the SAAQ inspection pageFAQ
Do you repair trailers of all brands?
We maintain and repair fleet semi-trailers regardless of brand. Contact us with your trailer details to confirm.
Are you an SAAQ agent?
No. CM Montréal is not an SAAQ agent. We prepare your trailer and, when the service allows it, we coordinate the appointment with an authorized agent who performs the official inspection.
Do you offer a maintenance program for fleets?
Yes. Our preventive maintenance program adapts to how your trailers are used and the size of your fleet.