Skip to content

NHTSA Recall 85V048000: Wheel cylinders (service brakes)

GENERAL MOTORS CORP. reported this safety recall to NHTSA on , covering an estimated 1,810,000 vehicles. It affects 12 models including the Buick Century.

1,810,000
vehicles potentially affected
12
models affected
NHTSA campaign85V048000
ComponentSERVICE BRAKES, HYDRAULIC › FOUNDATION COMPONENTS › DRUM › WHEEL CYLINDERS
Report receivedApril 29, 1985
Initiated byNHTSA Office of Defects Investigation

Defect

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.

Safety risk

Not provided.

Remedy

Add a part to prevent wheel cylinder from rotating.

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.

Vehicles covered by recall 85V048000

Make and modelModel years
Buick Century1978, 1980
Buick Regal1978, 1980
Chevrolet El Camino1978, 1979, 1980
Chevrolet Malibu1978, 1979, 1980
Chevrolet Monte Carlo1978, 1979, 1980
Chevrolet S101982
GMC Caballero1978, 1979
GMC S151982
Oldsmobile Cutlass1978, 1979, 1980
Pontiac Grand AM1978
Pontiac Grand Prix1978, 1979, 1980
Pontiac Lemans1978, 1979, 1980

Being listed here means the campaign covers the model year, not that every car was built with the defect or is still unrepaired. Enter your VIN above to check your specific vehicle. Recall repairs are free at authorised dealers. Source: NHTSA, October 2026.