CHEVROLET P3 1991: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER

General Information

NHTSA Campaign ID Number: 91V123000

Make Model Year
CHEVROLET P3 1991
Date Owners Notified Date Received by ODI Date Added to Database
1991-07-30 1991-07-16 1991-07-18

Production Dates: 1990-03-01 - 1990-11-01

Manufacturers Involved: General Motors, LLC

Component: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER

Potential Number Of Units Affected: 3085

Report Initiator: MFR MFR Report

Regulation Part Number: 571

Federal Motor Vehicle Safety Standard Number: 105

Summary

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.

Consequence

THIS CONDITION LEADS TO INCREASED STOPPING DISTANCE, ANDSHOULD MINIMUM STOPPING DISTANCE BE REQUIRED, IT COULD RESULT IN AN ACCIDENTWITHOUT WARNING.

Remedy

REPLACE BOTH REAR AXLE HUBS.

Notes

SYSTEM: HYDRAULIC BRAKES.VEHICLE DESCRIPTION: P3 MOTORHOME CHASSIS WITH MODEL 80 REAR AXLE AND 4 WHEELDISC BRAKES.