Trouble shifting, power loss, or HVAC issues? Overlooking Mack-specific problems leads to bigger failures. Whelan Truck Repair resolves issues early and keeps your truck running strong.
Full-Service Diagnostics & Repairs For Mack Trucks
Whelan Truck Repair offers expert maintenance and repair for Mack trucks, including the Anthem, Pinnacle, Granite, and LR series—vehicles built for heavy-duty endurance. Our technicians specialize in diagnosing and repairing MP7 and MP8 engines, as well as resolving issues with aftertreatment systems, cooling, suspension, and electrical components. We also service transmissions, clutches, brakes, and HVAC systems using advanced diagnostic tools.
Services Offered:
- Diagnostics and repairs for MP7 and MP8 Mack engines
- Aftertreatment system servicing (DPF, DEF, EGR)
- Transmission, clutch, and brake system repairs
- Cooling, suspension, and HVAC diagnostics and fixes
What Makes Whelan Truck Repair Different?
At Whelan Truck Repair, we understand the proprietary systems that make Mack trucks unique. From MP engines to mDRIVE transmissions, our team brings deep technical knowledge to every repair. All service is completed with DriveON compliance—so your truck stays safe, legal, and ready to roll.
- In-depth repair experience with MP7, MP8, and mDRIVE-equipped Mack trucks
- Advanced diagnostics for engine, emissions, and safety systems
Contact Us About Mack Truck Repair Now: Call 613-831-7677!
Need expert help with your Mack? Call Whelan Truck Repair today at 613-831-7677 to book your Mack repair in Ottawa. From diagnostics to full system overhauls, we’ve got your back.
FAQs
What Areas Do You Serve For Mack Repair?
As well as Ottawa, ON, we proudly serve:
Gatineau, QC; Kanata, ON; Orléans, ON; Carleton Place, ON; Rockland, ON; Arnprior, ON; Smiths Falls, ON
What are common problems with Mack trucks?
Mack trucks often experience aftertreatment system issues, such as DPF clogging or EGR valve failure. Other common issues include coolant leaks, air brake problems, and electrical faults. We repair all of these with OEM-grade parts and tools.
Can you service Mack mDRIVE transmissions?
Yes. We provide diagnostics, clutch inspections, and repairs for mDRIVE automated transmissions, including calibration and software resets where required.
How Can I Get Mack Truck Repair?
To schedule Mack repair, call Whelan Truck Repair at 613-831-7677. Our team will inspect, diagnose, and get your Mack truck back on the road—safely and efficiently.
