OFFICIAL NHTSA RECALL
78E029000
Service Brakes, Hydraulic:foundation Components:drum:wheel Cylinders
Reported Dec 4, 1978 · WAGNER
Summary
THE INVOLVED CYLINDERS CONTAIN THE WRONG SIZED RUBBER SEALING CUP. THE OVERSIZED CUP MAY CRINKLE WITHIN THE SMALLER BORE, CAUSING LOSS OF BRAKE FLUID. HALF OF THE BRAKING SYSTEM COULD FAIL. ALSO, THE OVERSIZED CUP MAY PREVENT PROPER PISTON FUNCTIONING, THEREBY PREVENTING SHOE RETURN WHICH WOULD PRECLUDE ADJUSTER OPERATION.
Consequence
Not supplied in the source record.
Remedy
DEALER WILL REPLACE THE AFFECTED CYLINDERS FREE OF CHARGE.
Notes
VEHICLE CATEGORY: PASSENGER VEHICLES AND LIGHT TRUCKS.SYSTEM: SERVICE BRAKES; DRUM WHEEL CYLINDERS.CONSEQUENCES OF DEFECT: PARTIAL LOSS OF BRAKING CAPABILITY COULD RESULT IN LOSSOF VEHICLE CONTROL AND AN ACCIDENT.
This campaign page uses the representative official campaign record. Applicability-specific source variants appear on the linked vehicle pages. Recall counts refer to campaigns, not affected vehicles.
Vehicle entries in this campaign
This is model-level recall history. It does not confirm whether a particular VIN is affected or has received the repair. Check with NHTSA ↗