GMC P30 1978: STEERING: STEERING WHEEL/HANDLE BAR

General Information

NHTSA Campaign ID Number: 78V019000

Make Model Year
GMC P30 1978
Date Owners Notified Date Received by ODI Date Added to Database
1978-01-23 1978-01-24 1979-10-12

Production Dates: 1977-11-01 - 1977-12-01

Manufacturers Involved: General Motors, LLC

Component: STEERING: STEERING WHEEL/HANDLE BAR

Potential Number Of Units Affected: 22268

Report Initiator: MFR MFR Report

Summary

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.

Remedy

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.