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1983 GMC C7 Recalls

  1. Recall Description

    THE DUAL AIR RESERVOIRS OF SOME TRUCKS WERE EQUIPPED WITH CARBON STEEL SPRINGS INSTEAD OF STAINLESS STEEL SPRINGS, AS INTENDED. THE CARBON STEEL SPRING IS MORE SUSCEPTIBLE TO RUSTING THAN THE STAINLESS STEEL SPRING. THIS RUSTING COULD CAUSE THE CHECK VALVE TO FAIL, CAUSING TOTAL LOSS OF FRONT AND REAR BRAKES.

    Possible Effects

    Action

    THE AIR TANK WILL BE INSPECTED AND, IF NECESSARY, THE AIR VALVE WILL BE REPLACED WITH ONE CONTAINING A STAINLESS STEEL SPRING.

    Notes

    VEHICLE DESCRIPTION: MEDIUM TRUCKS EQUIPPED WITH AIR BRAKES.SYSTEM: SERVICE BRAKES; AIR SUPPLY CHECK VALVE.CONSEQUENCES OF DEFECT: IF AN AIR LEAK WERE TO OCCUR AND THE DRIVER DID NOTHEED WARNINGS, AN ACCIDENT COULD RESULT.

    Recall Manufacture Dates

    1982-12-01 - 1983-08-01

    Vehicles Affected

    3948

  2. Recall Description

    THE FRONT AIR BRAKE HOSE MAY CONTACT THE INNER FENDER ON THE LEFT AND/OR RIGHT SIDES OF SOME TRUCKS. IN SOME INSTANCES, THE BRAKE HOSE MAY RUB THROUGH, RESULTING IN A LOSS OF AIR PRESSURE UPON BRAKE APPLICATION. CONSEQUENCE OF DEFECT: BRAKE HOSE MAY RUB THROUGH CAUSING AIR PRESSURE LOSS WHEN BRAKES ARE APPLIED AND REDUCED BRAKING ABILITY. A REDUCTION OF BRAKING ABILITY AT A TIME WHEN MINIMUM STOPPING DISTANCE IS REQUIRED COULD RESULT IN A VEHICLE CRASH WITHOUT PRIOR WARNING.

    Possible Effects

    Action

    INSTALL NEW BRAKE CHAMBER SUPPORT BRACKETS, BRAKE LINE ELBOWS, AND AIR BRAKE HOSES, AS NECESSARY.

    Notes

    VEHICLE DESCRIPTION: MEDIUM DUTY TRUCKS EQUIPPED WITH TILT HOODS, 7000# FRONT AXLE AND AIR BRAKES.SYSTEM: FRONT BRAKE HOSE.

    Recall Manufacture Dates

    1982-10-01 - 1984-11-01

    Vehicles Affected

    624

All c7 Recalls

Other GMC Recalls