THE 19.5 X 6 FRONT STEEL WHEEL DISC CRACKS OUTSIDE THE MOUNTING BOLT CIRCLE AND ENDS AT THE HUB'S DIAMETER.
Safety risk
IF THE CRACKING GOES UNNOTICED, THE CENTER PORTION OF THEDISC WILL CRACK COMPLETELY AND EVENTUALLY THE RIM PORTION OF THE WHEEL COULDSEPARATE FROM THE CENTER SECTION WHICH COULD RESULT IN A VEHICLE CRASH.
Manufacturer remedy
REPLACE ALL SIX (SEVEN IF THERE IS A SPARE) DEFECTIVE WHEELS WITH NEWLY DESIGNED WHEELS.
Service brakes, hydraulic: foundation components: disc: caliper
Manufacturer
GENERAL MOTORS CORP.
Vehicles affected
3,085
Reported to NHTSA
1991-07-16
Owners notified
1991-07-30
Defect description
BRAKES MAY HAVE MISSING REAR AXLE OUTER BEARING RETAINING RING AND OR GREATER THAN SPECIFIED BEARING END PLAY. EITHER CONDITION ALLOWS THE ROTOR AND HUB ASSEMBLY TO SHIFT POSITION RELATIVE TO THE SPINDLE. THIS MOVEMENT CAN CAUSE BRAKE CALIPER PISTON RECEDE FARTHER THAN NORMAL INTO THE PISTON BORE WHICH WOULD REQUIRE GREATER THAN NORMAL BRAKE FLUID DISPLACEMENT WHEN THE SERVICE BRAKES ARE APPLIED.
Safety risk
THIS CONDITION LEADS TO INCREASED STOPPING DISTANCE, ANDSHOULD MINIMUM STOPPING DISTANCE BE REQUIRED, IT COULD RESULT IN AN ACCIDENTWITHOUT WARNING.
Manufacturer remedy
REPLACE BOTH REAR AXLE HUBS.
Owner complaints
A complaint is one person's report to a federal agency. It is not a finding.
No complaints recorded for this model year.
Safety recall repairs are provided free of charge by franchised dealers, regardless of vehicle age or mileage. This page displays aggregated data for the model year. To check recall status for a specific vehicle, search its VIN at nhtsa.gov.