SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DRUM
Oct 26, 1994
435 units potentially affected
The defect: THE REAR BRAKE DRUMS WERE NOT CORRECTLY MACHINED. AS THE VEHICLE IS DRIVEN, LOSS OF WHEEL CLAMP LOAD CAN RESULT FROM THIS CONDITION. ONCE CLAMP LOAD IS LOST, ALL TIRE LOADS ARE DIRECTLY TAKEN BY THE WHEEL STUDS. THIS LOADING CAN CAUSE FATIGUE FAILURE OF THE WHEEL STUDS.
The risk: IF THIS OCCURS, A WHEEL COULD SEPARATE FROM THE VEHICLE, AND A CRASH COULD OCCUR WITHOUT PRIOR WARNING.
The remedy: REPLACE REAR BRAKE DRUMS.
GENERAL MOTORS CORP.View on NHTSA.gov