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NHTSA Campaign 91V204000

SUSPENSION:REAR

Issued by GENERAL MOTORS CORP. · Reported Nov 19, 1991 · 272 vehicles affected

What's wrong

THE BOLTS AND NUTS WHICH ATTACH THE BEARING-HUB ASSEMBLY TO THE REAR AXLE FLANGE ARE NOT SUFFICIENTLY TIGHTENED ON SOME VEHICLES.

Consequence

THIS WOULD ALLOW EXCESSIVE MOVEMENT OF THE BEARING-HUBASSEMBLY RELATIVE TO THE REAR AXLE FLANGE AND COULD CAUSE ELONGATION ANDEVENTUAL SEPARATION OF THE ATTACHING BOLTS FROM THE REAR AXLE FLANGE. IF THISWERE TO OCCUR WHILE THE VEHICLE WAS IN MOTION, THE AFFECTED TIRE AND WHEEL COULDTRACK ERRATICALLY, EVENTUALLY CAUSING FAILURE OF THE OTHER ATTACHING BOLTS. THETIRE AND WHEEL ASSEMBLY COULD SEPARATE FROM THE VEHICLE WHICH COULD RESULT IN AVEHICLE ACCIDENT.

Remedy

TIGHTEN REAR AXLE BEARING-HUB ASSEMBLY FASTENERS, AND REPLACE ALL THE FASTENERS ON A WHEEL IF TWO OR MORE BOLTS ARE FOUND TO BE LOOSE.

Vehicles affected by this recall

Make Model Year Units
PONTIAC GRAND AM 1992 272

Source: NHTSA Campaign 91V204000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.