The issue
SEVERE BRAKE CHATTER MAY CAUSE THE FRONT AXLE BRAKE CHAMBER MOUNTING BRACKETS TO DEVELOP CRACKS IN THE WELD AREA WHERE THE S-CAM TUBE ATTACHES TO THE CHAMBER SUPPORT SECTION. BRACKET FAILURE COULD RESULT IN LOSS OF FRONT WHEEL BRAKING AND POSSIBLE RESTRICTION IN STEERING CONTROL. THIS COULD CAUSE VEHICLE CRASH WITHOUT PRIOR WARNING. CORRECTION:REINFORCED FRONT AXLE BRAKE CHAMBER MOUNTING BRACKETS WILL BE INSTALLED AND,IF NOT FITTED,A FRONT BRAKE LIMITING VALVE.
Description (français)
Sous l'effet de fortes vibrations, le support des récepteurs de l'essieu avant peut faire fissurer la soudure qui retient le tube de la came en S au récepteur. Le bris risque d'entraîner la perte d'efficacité des freins avant et d'altérer le fonctionnement de la direction. La défectuosité peut provoquer un accident.
Transport Canada Vehicle Recalls Database · Contains information licensed under the Open Government Licence – Canada · official text, unchanged
Vehicles covered
| Make and model | Model years |
|---|---|
| GMC C6 | 1983, 1984, 1985, 1986, 1987 |
| GMC C7 | 1983, 1984, 1985, 1986, 1987 |
| Gmc SCHOOL BUS | 1983, 1984, 1985, 1986, 1987 |
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| GMC C6 | 1983 | 0 | 2 |
| GMC C6 | 1984 | 0 | 1 |
| GMC C6 | 1985 | 0 | 2 |
| GMC C6 | 1986 | 1 | 0 |
| GMC C7 | 1983 | 0 | 2 |
| GMC C7 | 1984 | 0 | 1 |
| GMC C7 | 1985 | 0 | 4 |
| GMC C7 | 1986 | 0 | 2 |
| GMC C7 | 1987 | 0 | 1 |