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.
SOME CHASSIS WERE SHIPPED TO BODY BUILDERS WITH DAMAGED FILL OR VENT OPENING CAPS ON THE RIGHT-HAND SIDE. IF A LEFT-HAND FILL SYSTEM WAS INSTALLED ON THE TANK, AND THERE WAS A DAMAGED RIGHT-HAND CAP, THE FUEL SYSTEM WOULD NOT BE SEALED.
Safety risk
IF THE FUEL SYSTEM IS NOT SEALED, THE AUTOMATIC SHUT-OFFSYSTEM USED IN GAS STATIONS WOULD NOT WORK, ALLOWING GAS TO BE FORCED OUT OFTHE DEFECTIVE RIGHT-HAND OPENING. THE SPILLED GASOLINE WOULD RESULT IN A FIREHAZARD IF EXPOSED TO A SOURCE OF IGNITION.
Manufacturer remedy
INSTALL NEW CAPS ON THE VEHICLES WITH UNUSED RIGHT-HAND FILL OR VENT OPENINGS.
THE AUTOMATIC APPLY TRANSMISSION MOUNTED PARKING BRAKE LEVER PIVOT BOLT "FINGER" MAY BE LOOSE.
Safety risk
THE LOOSE PIVOT BOLT COULD ALLOW THE PARKING BRAKES TORELEASE AFTER THEY HAVE BEEN SET MANUALLY; IF THE BOLT FALLS OFF WHEN THEAUTOMATIC APPLY PARKING BRAKE IS SET, THERE IS INSUFFICIENT BRAKING TO HOLD THEVEHICLE IF IT IS PARKED ON AN INCLINE. BOTH OF THESE CONDITIONS COULD RESULT INVEHICLE MOVEMENT WITHOUT PRIOR WARNING AND POSSIBLY IN AN ACCIDENT.
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.
Component
Complaints
Median mileage
Service brakes, hydraulic: foundation components: disc: caliper
1
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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.