Listed by NHTSA for this model year
2Possible recalls
2
Recalls
Jan 12, 1981
Most recent

Newest first. Many cover only part of a model year, so check your VIN with NHTSA or GMC before booking a repair.

NHTSA · listed for this model year

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.

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.

81V010000 · 320,677 units in campaign · NHTSA

Applies only if the manufacturer confirms your VIN · repair by an authorized dealer

ON THE INVOLVED VEHICLES THE BRAKE STOPLIGHT AND CRUISE CONTROL SWITCH WHICH IS OPERATED BY THE BRAKE PEDAL MAY HAVE BEEN ASSEMBLED WITH AN INCORRECT LUBRICANT ON THE ACTUATING PLUNGER. THIS CAN CAUSE THE REAR BRAKE STOPLIGHTS TO BECOME INOPERATIVE AND THE CRUISE CONTROL, IF ACTIVATED, TO STAY ELECTRICALLY ENGAGED.

Remedy

DEALER WILL INSPECT AND, IF NECESSARY, REPLACE THE BRAKE STOPLIGHT AND CRUISE CONTROL SWITCH AT NO COST TO OWNER.

79V142000 · 15,328 units in campaign · NHTSA

Applies only if the manufacturer confirms your VIN · repair by an authorized dealer

1979 GMC K20 recall questions

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