The issue
VEHICLES EQUIPPED WITH SW56, 57 AND 76 SERIES BOGIES. INTERFERENCE BETWEEN INSIDE PORTION OF WHEEL AND OUTER EDGE OF BRAKE DRUM, RESULTING IN WHEEL NUT CLEARING THE RIM, ALLOWING REDUCED CLAMPING FORCES AND OVERSTRESSSING OF WHEEL STUDS.
Transport Canada Vehicle Recalls Database · Contains information licensed under the Open Government Licence – Canada · official text, unchanged
Vehicles covered
| Make and model | Model years |
|---|---|
| Mack FL | 1974 |
| Mack FS | 1974 |
| Mack RL | 1974 |
| Mack RS | 1974 |
| Mack WL | 1974 |
| Mack WS | 1974 |