The defect
THE PARKING BRAKE MAY NOT EXERT SUFFICIENT FORCE TO ENABLE THE VEHICLE TO CONFORM TO THE GRADE HOLDING REQUIREMENTS OF FMVSS 121.
The risk
VEHICLES WITH INSUFFICIENT PARKING BRAKE FORCE CAN ROLLWITHOUT PRIOR WARNING WHEN PARKED ON A GRADE, THIS COULD RESULT IN A VEHICLEACCIDENT.
The remedy
REPLACE THE PARKING BRAKE CHAMBERS.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| White GMC ACL42B | 1988, 1989, 1990, 1991 |
| White GMC WX42 | 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991 |
Components: SERVICE BRAKES, AIR:ANTILOCK
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| White GMC ACL42B | 1988 | 0 | 1 |
| White GMC ACL42B | 1989 | 0 | 1 |
| White GMC ACL42B | 1990 | 0 | 1 |
| White GMC ACL42B | 1991 | 0 | 1 |
| White GMC WX42 | 1983 | 0 | 1 |
| White GMC WX42 | 1984 | 0 | 1 |
| White GMC WX42 | 1985 | 0 | 1 |
| White GMC WX42 | 1986 | 0 | 1 |
| White GMC WX42 | 1987 | 0 | 1 |
| White GMC WX42 | 1988 | 0 | 1 |
| White GMC WX42 | 1989 | 0 | 1 |
| White GMC WX42 | 1990 | 0 | 1 |
| White GMC WX42 | 1991 | 0 | 1 |
Other service brakes, air recalls in 1991
8 of the 220 recall campaigns reported to NHTSA in 1991 concerned the service brakes, air; VOLVO GM HEAVY TRUCK CORP filed 52 campaigns in all.
| 91V218000 16 Dec 1991 | BLUE BIRD BODY COMPANY |
| 91V205000 22 Nov 1991 | VOLVO GM HEAVY TRUCK CORP |
| 91V194000 4 Nov 1991 | OSHKOSH TRUCK CORPORATION |
| 91V178000 15 Oct 1991 | FREIGHTLINER CORPORATION |
| 91V171000 4 Oct 1991 | EOS COACH |
| 91V125000 24 Jul 1991 | LABRIE EQUIPMENT LTD. |
| 91V043000 14 Mar 1991 | PACCAR, INCORPORATED |
NHTSA recalls (public domain) · all recalls of 1991