The defect
BRAKES MAY HAVE MISSING REAR AXLE OUTER BEARING RETAINING RING AND OR GREATER THAN SPECIFIED BEARING END PLAY. EITHER CONDITION ALLOWS THE ROTOR AND HUB ASSEMBLY TO SHIFT POSITION RELATIVE TO THE SPINDLE. THIS MOVEMENT CAN CAUSE BRAKE CALIPER PISTON RECEDE FARTHER THAN NORMAL INTO THE PISTON BORE WHICH WOULD REQUIRE GREATER THAN NORMAL BRAKE FLUID DISPLACEMENT WHEN THE SERVICE BRAKES ARE APPLIED.
The risk
THIS CONDITION LEADS TO INCREASED STOPPING DISTANCE, ANDSHOULD MINIMUM STOPPING DISTANCE BE REQUIRED, IT COULD RESULT IN AN ACCIDENTWITHOUT WARNING.
The remedy
REPLACE BOTH REAR AXLE HUBS.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Chevrolet P3 | 1990, 1991 |
| GMC P3 | 1990 |
Components: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| Chevrolet P3 | 1990 | 0 | 2 |
| Chevrolet P3 | 1991 | 1 | 4 |
| GMC P3 | 1990 | 0 | 2 |
Other service brakes, hydraulic recalls in 1991
32 of the 220 recall campaigns reported to NHTSA in 1991 concerned the service brakes, hydraulic; GENERAL MOTORS CORP. filed 1,195 campaigns in all.
| 91V220000 24 Dec 1991 | OSHKOSH TRUCK CORPORATION |
| 91V207000 25 Nov 1991 | PAS, INC. |
| 91V200000 12 Nov 1991 | CHRYSLER CORPORATION |
| 91V191000 1 Nov 1991 | CHRYSLER CORPORATION |
| 91V187000 27 Oct 1991 | OSHKOSH TRUCK CORPORATION |
| 91V170000 4 Oct 1991 | CHRYSLER CORPORATION |
| 91V003000 2 Oct 1991 | CHRYSLER CORPORATION |
| 91V158000 13 Sept 1991 | GENERAL MOTORS CORP. |
NHTSA recalls (public domain) · all recalls of 1991