NHTSA Campaign Id 85V048000; Date: Apr. 29, 1985
Recalled Vehicles:1978 Buick Century; 1980 Buick Century; 1978 Buick Regal; 1980 Buick Regal; 1978 Chevrolet El Camino; 1979 Chevrolet El Camino; 1980 Chevrolet El Camino; 1978 Chevrolet Malibu; 1979 Chevrolet Malibu; 1980 Chevrolet Malibu; 1978 Chevrolet Monte Carlo; 1979 Chevrolet Monte Carlo; 1980 Chevrolet Monte Carlo; 1982 Chevrolet S10; 1978 GMC Caballero; 1979 GMC Caballero; 1982 GMC S15; 1978 Oldsmobile Cutlass; 1979 Oldsmobile Cutlass; 1980 Oldsmobile Cutlass; 1978 Pontiac Grand Am; 1978 Pontiac Grand Prix; 1979 Pontiac Grand Prix; 1980 Pontiac Grand Prix; 1978 Pontiac Lemans; 1979 Pontiac Lemans; 1980 Pontiac Lemans
Component: Service Brakes, Hydraulic:foundation Components:drum:wheel Cylinders
Manufactured by: General Motors Corp.
Affected Units:: 1,810,000
Recall Summary:Excessive enlargement of the wheel cylinder pilot hole in the rear brake backing plate could allow the wheel cylinder to rotate and cause loss of brake fluid. Consequence of defect: a loss of brake fluid leads to loss of rear brake action, creating the potential for an accident. Front brakes would remain operational.
How to Fix:Add a part to prevent wheel cylinder from rotating.
Recall Notes:Note: owner notification will begin after September 1, 1985 and should be completed by September 30, 1985. Vehicle description: midsize passenger cars and small trucks. System: rear brakes.
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