Recall 77V119000 — SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM Defect in 1977-1977 CHEVROLET C30
RECALL This recall affects up to 1,232 vehicles.
Recall Summary
| NHTSA Campaign | 77V119000 |
| Manufacturer | GENERAL MOTORS CORP. |
| Vehicles Affected | 1,232 |
| Component | SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM |
| Date Notified | |
| Affected Vehicles |
Defect Description
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.
Remedy
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.
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