GMC C7 1986: STEERING:HYDRAULIC POWER ASSIST SYSTEM
NHTSA Campaign ID Number: 86V170000
Make | Model | Year |
---|---|---|
GMC | C7 | 1986 |
Date Owners Notified | Date Received by ODI | Date Added to Database |
1987-02-20 | 1986-12-22 | 1986-12-30 |
Production Dates: 1985-03-01 - 1986-07-01
Manufacturers Involved: General Motors, LLC
Component: STEERING:HYDRAULIC POWER ASSIST SYSTEM
Potential Number Of Units Affected: 9038
Report Initiator: MFR MFR Report
THE POWER STEERING ASSIST CYLINDER MOUNTING BRACKET BOLTS MAY LOOSEN DUE TO PAINT ON THE BOLT THREADS AND THE MOUNTING BRACKET MATING SURFACE. CONSEQUENCE OF DEFECT: THIS MAY RESULT IN LOOSENESS AND ERRATIC STEERING DURING FULL TURNS. WITH CONTINUED OPERATION POWER CYLINDER COULD DETACH FROM THE FRAME RAIL RESULTING IN RESTRICTED STEERING, SEVERING OF FRONT BRAKE HOSE AND LOSS OF FRONT AXLE BRAKING. WITH EITHER CONDITION, A VEHICLE CRASH COULD RESULT.
REMOVE PAINT FROM MATING SURFACES OF BRACKET AND FRAME RAIL; REPLACE POWER STEERING ASSIST CYLINDER MOUNTING BOLTS.
SYSTEM: POWER STEERING. VEHICLE DESCRIPTION: MEDIUM DUTY TRUCKS EQUIPPED WITH POWER STEERING AND 12,000 LBS. FRONT AXLES.