NHTSA Recall 81V010000 — Chevrolet, GMC Service Brakes, Hydraulic › Power Assist › Vacuum

What's wrong

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.

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.

NHTSA campaign

81V010000

Filed by

General Motors Corp.

Report received

13 Jan 1981

Owners notified

9 Jan 1981

Potentially affected

320,677

Vehicles covered by this recall

Whether a particular car is affected and still unrepaired depends on its VIN — a model year being listed does not mean every car of that year is included. Check any VIN free on CarLogs, or at nhtsa.gov/recalls.

1979 Chevrolet C20 1980 Chevrolet C20 1979 Chevrolet C30 1980 Chevrolet C30 1979 Chevrolet K20 1980 Chevrolet K20 1979 Chevrolet K30 1980 Chevrolet K30 1979 GMC C20 1980 GMC C20 1979 GMC K20 1980 GMC K20 1979 GMC K30 1980 GMC K30

Is this car's recall fixed?

Recall repairs are free at any franchised dealer, for the life of the vehicle. A CarLogs report shows the recall status for a specific VIN as reported by the manufacturer — whether it's open or repaired, and whether the fix is available yet.

Source: NHTSA Office of Defects Investigation recall database. Look up another campaign →