Service Brakes, Hydraulic:power Assist:vacuum

NHTSA recall 81V010000 · announced January 13, 1981 · filed by General Motors Corp. · 320,677 units affected

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.

What to do

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.

Vehicles covered by this recall

• 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

Source: National Highway Traffic Safety Administration public recall data. This page reports official records and is not legal, medical, or repair advice.