1979 GMC K20 RECALL - #81V010000
RECALL FOR SERVICE BRAKES, HYDRAULIC : POWER ASSIST : VACUUM
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.
Information provided by the
National Highway Traffic Safety Administration.
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Recall Details
| Vehicle |
1979 GMC K20 |
|
| Manufacturer |
GENERAL MOTORS CORP. |
| Manufactured between |
8/1/1978 - 6/1/1979 |
| Recalled on |
2/12/1981 |
| Influenced by |
GENERAL MOTORS CORP. |
| Owners Notified on |
1/9/1981 |
| # Affected |
320,677 |
| Recalled for |
SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM |
|
|
| Description |
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. |
| Consequences |
|
| Corrective action |
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. |
| See also |
1979 GMC K20 Recall for EXTERIOR LIGHTING, BRAKE LIGHTS, SWITCH
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| Technical Service Bulletins |
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