NHTSA Recall 78V019000
Filed by General Motors, LLC. Component: Steering. Reported 1978-01-24. An estimated 22,268 vehicles are affected. Recall repairs are free at any authorized dealer.
Defect
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.
What the manufacturer will do
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.