The issue
VEHICLES EQUIPPED WITH FORGED ALUMINUM HUBS ON ROCKWELL FF931 AXLES WITH DISC WHEELS. LTHE FORGED ALUMINUM FRONT WHEEL HUBS HAVE A DESIGN DEFICIENCY IN THE BARREL BETWEEN THE INNER AND OUTER BEARINGS WHICH CAN LEAD TO CRACKING AND FAILURE OF THE HUB.
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 RL | 1975, 1976 |
| Mack RS | 1975, 1976 |
| Mack WL | 1975, 1976 |
| Mack WS | 1975, 1976 |