Recall 81V-010: 1979–1980 Chevrolet C20, 1979–1980 Chevrolet C30 and 5 more

GENERAL MOTORS CORP. recall for service brakes, hydraulic, reported to NHTSA on Jan 13, 1981, covering about 320,677 vehicles.

NHTSA number
81V-010
Report date
Jan 13, 1981
Vehicles affected
320,677
Owners notified
Jan 9, 1981

The problem

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 fix

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.

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.

Recall details

ManufacturerGENERAL MOTORS CORP.
ComponentService Brakes, Hydraulic › Power Assist › Vacuum
Recall started bythe manufacturer
NHTSA campaign number81V010000

Vehicles in this recall

VehicleModel years
Chevrolet C201979, 1980All years
Chevrolet C301979, 1980All years
Chevrolet K201979, 1980All years
Chevrolet K301979, 1980All years
GMC C201979, 1980All years
GMC K201979, 1980All years
GMC K301979, 1980All years

Not every vehicle of these model years is included. Enter your VIN at nhtsa.gov/recalls ↗ or ask a dealer.

Frequently asked questions

What is recall 81V-010?

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.

How is recall 81V-010 fixed?

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.

Is the recall repair free?

Yes. Safety recall repairs are free at authorized dealers. Check whether your vehicle is included with its VIN at nhtsa.gov/recalls.