PONTIAC LEMANS 1978: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DRUM:WHEEL CYLINDERS

General Information

NHTSA Campaign ID Number: 77V181000

Make Model Year
PONTIAC LEMANS 1978
Date Received by ODI Date Added to Database
1977-10-17 1979-10-12

Production Dates: 1977-08-01 - 1980-07-01

Manufacturers Involved: General Motors, LLC

Component: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DRUM:WHEEL CYLINDERS

Potential Number Of Units Affected: 636

Report Initiator: MFR MFR Report

Summary

THE REAR BRAKE WHEEL CYLINDER RETAINER ON THE INVOLVED VEHICLES MAY NOT HAVE BEEN PROPERLY INSTALLED. SHOULD THE WHEEL CYLINDER RETAINER BECOME COMPLETELY DISENGAGED, THE WHEEL CYLINDER COULD MOVE OUTBOARD CAUSING A LOSS OF BRAKE FLUID AND A LOSS OF REAR BRAKING ACTION.

Remedy

THE DEALER WILL REPOSITION THE REAR WHEEL BRAKE CYLINDER RETAINERS, FREE OF CHARGE, ON ALL AFFECTED VEHICLES.

Notes

VEHICLE DESCRIPTION: PASSENGER VEHICLES.SYSTEM: SERVICE BRAKES; REAR WHEEL BRAKE CYLINDER RETAINERS.CONSEQUENCES OF DEFECT: LOSS OF REAR BRAKING CAPABILITY CAN OCCUR WITHOUTWARNING AND AN ACCIDENT COULD RESULT.NOTE: LOSS OF BRAKING ACTION WILL BE SIGNALLED TO DRIVER BY THE WARNING LIGHTON THE DASH AND BY AN INCREASE IN BRAKE PEDAL TRAVEL AND INCREASED VEHICLESTOPPING DISTANCES.