Mack Engine Repair in Montreal: MP7, MP8, MP8HE and E7
From MP8s in Anthems to E7s in older CHs, we repair Mack engines in Saint-Laurent.
Mack engines we repair
Current or recent engines
- MP7
- MP8
- MP8HE
Older engines still on the road
- E7
- ASET AC / AI (around 2007-2009)
MP engines replaced the ASET around 2010. The E7 powers many older CH, Vision and Granite trucks.
Common Mack engine repairs
MP8 aftertreatment
DPF, SCR, DEF doser and NOx sensors on Anthems and Pinnacles.
Turbo and EGR
Turbo, EGR valve and charge-air leaks on MP7 and MP8.
Injection
Injectors, fuel pressure and hard starts.
E7 and ASET
Service, cooling and electrical work on older Mack engines.
Problems we diagnose
- Check engine light
- Fault codes
- Derate
- Power loss
- Hard starting
- Fuel injection
- Fuel pressure
- Turbo
- EGR
- Cooling system
- Overheating
- DPF
- DOC
- SCR
- DEF
- Regen
- Sensors
- Engine electrical
Related services
Trucks often fitted with Mack engines
Depending on the truck's year and spec.
FAQ
Are you a Mack dealer?
No. CM Montréal is an independent heavy-duty truck shop; we are not a Mack dealer or warranty centre.
What's the difference between the MP8 and MP8HE?
The MP8HE is a fuel-efficiency version of the MP8 with a waste-heat recovery system.
Do you still repair E7 engines?
Yes, we still service E7s; call us to confirm parts.