| NHTSA Campaign Number: |
81V010000 |
| Vehicle/Equipment Make: |
GMC |
| Vehicle/Equipment Model: |
C20 |
| Model Year: |
1980 |
| Manufacturer Campaign Number: |
|
| Manufacturer Component Description: |
SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM |
| Manufacturers Involved in Recall: |
GENERAL MOTORS CORP. |
| Manufacturered: |
19780801 - 19790601 |
| Type of Report: |
V (Vehicle, Equipment or Tire) |
| Potential Number of Units Affected: |
320677 |
| Date Owner Notified By Manufacturer: |
19810109 |
| Recall Initiated By: |
19810109 |
| Manufacturer Responsible For Recall: |
GENERAL MOTORS CORP. |
| Report Received Date: |
19810113 |
| Record Creation Date: |
19810212 |
| Regulation Part Number: |
|
| Federal Motor Vehicle Safety Standard Number: |
|
| Defect Summary: |
FATIGUE CRACKS MAY DEVELOP IN THE BRAKE VACUUM BOOSTER HOUSING. THIS MAY CAUSE A VACUUM LEAK AND REDUCE THE EFFECTIVENESS OF THE BRAKES. AFTER PROLONGED USE, THE CRACKS MAY DEVELOP TO THE EXTENT THAT THE BOOSTER MAY SEPARATE FROM THE VEHICLE. |
| Consequence Summary: |
|
| Corrective Summary: |
VEHICLES WILL BE INSPECTED FOR FATIGUE CRACKS IN THE BRAKE VACUUM BOOSTER. THOSE WITHOUT CRACKS WILL HAVE A SUPPORT BRACE INSTALLED. THOSE WITH EVIDENCE OF CRACKING WILL HAVE A NEW BRAKE VACUUM BOOSTER AND SUPPORT BRACE INSTALLED. THIS SERVICE WILL BE PROVIDED AT NO CHARGE. |