AI DamageMack Granite GR (4): problems, complaints, bulletins
Summary for the Mack Granite GR (4) across 2 model years: 0 owner complaints and 20 NHTSA service bulletins, plus repair videos. Pick a year for details.
Model years
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Electrical system | 0 | 0 | 14 |
| Powertrain | 0 | 0 | 9 |
| Engine | 0 | 0 | 5 |
| Air bags | 0 | 0 | 2 |
| Seat belts | 0 | 0 | 2 |
| Fuel/propulsion system | 0 | 0 | 1 |
| Service brakes | 0 | 0 | 1 |
| Structure | 0 | 0 | 1 |
| Other | 0 | 0 | 2 |
What to check before buying
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Powertrain. Shift quality under load, harsh shifts, transmission codes, CV joints.
- Engine. Cold start, unusual noises, oil leaks and engine codes.
- Air bags. Check the SRS light, stored codes and airbag/curtain status after any impact.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- Jumper Harness Repair for Version 4 Mack Trucks
- Power Cable Alternator Replacement
- Diagnostic instructions for CAN network communication issues
- The purpose of this CBR is to provide steps on how to correct a customer complaint of DTC P107B86…
- Fault diagnostic information for Supplemental Restraint / Airbag Inflation System (SRS)
- GDC - Transmission Oil Level Sensor
- CBR - Mack Chassis - Through Shaft Bearing Retainer Breakage On Mack Carriers
- CBR - Mack Carrier Nut Adhesive Change
- CBR - Parker F3 Hydraulic Pump Troubleshooting
- CBR - No Start Condition After Over the Air Programing
- Vehicles affected by this issue will show coolant runoff on the front rights side of the engine
- CBR - When an OTA (Over-The-Air) job starts to program the VECU blocks the starter relay out, if the job…
Other models of this make
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-04.