| NHTSA Campaign Number: |
77V119000 |
| Vehicle/Equipment Make: |
CHEVROLET |
| Vehicle/Equipment Model: |
C30 |
| Model Year: |
1977 |
| Manufacturer Campaign Number: |
|
| Manufacturer Component Description: |
SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM |
| Manufacturers Involved in Recall: |
GENERAL MOTORS CORP. |
| Manufacturered: |
- |
| Type of Report: |
V (Vehicle, Equipment or Tire) |
| Potential Number of Units Affected: |
1232 |
| Date Owner Notified By Manufacturer: |
19770810 |
| Recall Initiated By: |
19770810 |
| Manufacturer Responsible For Recall: |
GENERAL MOTORS CORP. |
| Report Received Date: |
19770810 |
| Record Creation Date: |
19791012 |
| Regulation Part Number: |
|
| Federal Motor Vehicle Safety Standard Number: |
|
| Defect Summary: |
ON THE INVOLVED VEHICLES, THE NUTS WHICH ATTACH THE BRAKE MASTER CYLINDER TO THE HYDRO-BOOST UNIT MAY HAVE BEEN OVER-TIGHTENED. THIS COULD HAVE CAUSED STRIPPED THREADS AND CRACKED ATTACHING FLANGES. SHOULD THESE NUTS FAIL, THE PARTS MAY SEPARATE AND LOSS OF SERVICE BRAKES WOULD RESULT. |
| Consequence Summary: |
|
| Corrective Summary: |
DEALER WILL INSPECT FOR CRACKS IN THE ATTACHING FLANGES; UNITS WITH CRACKS PRESENT WILL BE REPLACED. IF NO CRACKS ARE FOUND, THE STUDS WILL BE REMOVED AND THE HOLES DRILLED OUT. THE UNIT WILL BE REASSEMBLED USING BOLTS AND NUTS IN PLACE OF THE EXISTING STUDS. |
