The issue
BUSES EQUIPPED WITH ROCKWELL INTERNATIONAL CAS ALUMINUM FRONT WHEEL HUBS INSTALLED ON ROCKWELL FF921 FRONT AXLES. THE SUBJECT HUBS MAY CONTAIN CASTING DEFICIENCIES IN THE WHEEL MOUNTING FLANGE AND/OR THE AREA OF THE INNER BEARING THAT CAN RESULT IN CRACKS LEADINT TO FAILURE OF THE HUB. A HUB FAILURE CAN CAUSE A WHEEL AND TIRE TO SEPARATE FROM THE VEHICLE CAUSING A LOSS OF VEHICLE CONTROL.
Transport Canada Vehicle Recalls Database · Contains information licensed under the Open Government Licence – Canada · official text, unchanged
Vehicles covered
| Make and model | Model years |
|---|---|
| Blue Bird ALL CANADIAN NON-SCHOOL BUS | 1972, 1973 |
| Blue Bird ALL CANADIAN SCHOOL BUS | 1972, 1973 |