THE INTERMEDIATE SHAFT COUPLING ON THE INVOLVED VEHICLES MAY HAVE BEEN MACHINED OVERSIZED IN THE SERRATION
— Recall Campaign #78V019000
THE INTERMEDIATE SHAFT COUPLING ON THE INVOLVED VEHICLES MAY HAVE BEEN MACHINED OVERSIZED IN THE SERRATION AREA WHERE IT ATTACHES TO THE STEERING COLUMN. THIS WOULD PREVENT THE COUPLING FROM PROPERLY TIGHTENING ON THE SHAFT WHEN THE CLAMP AND PINCH BOLT WERE INSTALLED.
The recall was influenced by the manufacturer with about 22,268 units affected.
NHTSA Safety Recall Notice
78V019000
| Manufacturer: | General Motors, LLC |
|---|---|
| Recall date: | January 24, 1978 |
| NHTSA Campaign #: | 78V019000 |
| Units affected: | 22,268 |
- Description:
- THE INTERMEDIATE SHAFT COUPLING ON THE INVOLVED VEHICLES MAY HAVE BEEN MACHINED OVERSIZED IN THE SERRATION AREA WHERE IT ATTACHES TO THE STEERING COLUMN. THIS WOULD PREVENT THE COUPLING FROM PROPERLY TIGHTENING ON THE SHAFT WHEN THE CLAMP AND PINCH BOLT WERE INSTALLED.
- Consequeces:
- Corrective action:
- DEALER WILL REPLACE THE SHAFT COUPLING, IF NECESSARY, WITHOUT CHARGE TO OWNER.
- Notes:
- VEHICLE DESCRIPTION: TRUCKS AND BUSES.SYSTEM: STEERING; SHAFT COUPLING.CONSEQUECES OF DEFECT: THE COUPLING MAY SLIP ON THE SHAFT WHEN THE STEERINGWHEEL IS TURNED. UNDER CONTINUED OPERATION, THE PINCH BOLT MAY BYPASS THE NOTCHIN THE STEERING SHAFT UNDER HIGH STEERING EFFORT. LOSS OF STEERING CONTROL ANDAN ACCIDENT MAY RESULT.NOTE: A RASPY NOISE, ACCOMPANIED BY INCREASED FREE PLAY IN THE STEERING WHEEL,MAY INDICATE THE DEFECT.