Disc: caliperRecall 91V-123 · Chevrolet and GMC vehicles
GENERAL MOTORS CORP. recall 91V-123 covers 3,085 Chevrolet and GMC vehicles for a disc: caliper problem, reported to NHTSA on July 16, 1991.
Source: NHTSA recall 91V123000 and manufacturer quarterly reports. Started by the manufacturer.
The problem
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.
The risk
THIS CONDITION LEADS TO INCREASED STOPPING DISTANCE, ANDSHOULD MINIMUM STOPPING DISTANCE BE REQUIRED, IT COULD RESULT IN AN ACCIDENTWITHOUT WARNING.
The fix
REPLACE BOTH REAR AXLE HUBS.
SYSTEM: HYDRAULIC BRAKES.VEHICLE DESCRIPTION: P3 MOTORHOME CHASSIS WITH MODEL 80 REAR AXLE AND 4 WHEELDISC BRAKES.
Recall repairs are free. Confirm whether this recall is open on your vehicle by entering its VIN at nhtsa.gov/recalls.
Vehicles in this recall
Built from March 1, 1990 to November 1, 1990. Not every vehicle in these model years is included; check by VIN.