PONTIAC GRAND AM 1978: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DRUM:WHEEL CYLINDERS
NHTSA Campaign ID Number: 85V048000
| Make | Model | Year |
|---|---|---|
| PONTIAC | GRAND AM | 1978 |
| Date Received by ODI | Date Added to Database | |
| 1985-04-29 | 1985-05-01 |
Manufacturers Involved: General Motors, LLC
Component: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DRUM:WHEEL CYLINDERS
Potential Number Of Units Affected: 1810000
Report Initiator: ODI ODI Report
EXCESSIVE ENLARGEMENT OF THE WHEEL CYLINDER PILOT HOLE IN THE REAR BRAKE BACKING PLATE COULD ALLOW THE WHEEL CYLINDER TO ROTATE AND CAUSE LOSS OF BRAKE FLUID. CONSEQUENCE OF DEFECT: A LOSS OF BRAKE FLUID LEADS TO LOSS OF REAR BRAKE ACTION, CREATING THE POTENTIAL FOR AN ACCIDENT. FRONT BRAKES WOULD REMAIN OPERATIONAL.
ADD A PART TO PREVENT WHEEL CYLINDER FROM ROTATING.
NOTE: OWNER NOTIFICATION WILL BEGIN AFTER SEPTEMBER 1, 1985 AND SHOULD BE COMPLETED BY SEPTEMBER 30, 1985.VEHICLE DESCRIPTION: MIDSIZE PASSENGER CARS AND SMALL TRUCKS. SYSTEM: REAR BRAKES.
