Recalls › 81V010000

NHTSA recall 81V010000

Service brakes, hydraulic › Power assist › Vacuum

Chevrolet C20 and 6 more

Reported Jan 13, 1981320,677 vehicles affectedGENERAL MOTORS CORP.Built Aug 1, 1978 – Jun 1, 1979

The defect

Fatigue cracks may develop in the brake vacuum booster housing. This may cause a vacuum leak and reduce the effectiveness of the brakes. After prolonged use, the cracks may develop to the extent that the booster may separate from the vehicle.

The remedy

Vehicles will be inspected for fatigue cracks in the brake vacuum booster. Those without cracks will have a support brace installed. Those with evidence of cracking will have a new brake vacuum booster and support brace installed. This service will be provided at no charge.

Official recall at NHTSA ↗

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Vehicles in this recall

Chevrolet C20
19791980
Chevrolet C30
19791980
Chevrolet K20
19791980
Chevrolet K30
19791980
GMC C20
19791980
GMC K20
19791980
GMC K30
19791980

Notes

Vehicle description: light trucks equipped with vacuum power disc/drum brakes.system: service brakes; vacuum brake booster housing.consequences of defect: separation will result in a loss of braking abilitywithout prior warning and may lead to an accident. Partial loss of brakingability may also lead to an accident, particularly in situations where minimumstopping distance IS required.