Service Brakes, Hydraulic:foundation Components:drum:wheel Cylinders

NHTSA recall 77V181000 · announced October 17, 1977 · filed by General Motors Corp. · 636 units affected

The problem

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.

What to do

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.

Vehicles covered by this recall

• 1978 Chevrolet Malibu
• 1978 Chevrolet Malibu Classic
• 1978 Chevrolet Monte Carlo
• 1978 Pontiac Grand Am
• 1978 Pontiac Grand Lemans
• 1978 Pontiac Lemans

Source: National Highway Traffic Safety Administration public recall data. This page reports official records and is not legal, medical, or repair advice.