HowTune

1977 GMC G30 Recalls

  1. Recall Description

    ON THE INVOLVED VEHICLES, THE BRAKE MASTER CYLINDER MAY HAVE BEEN ASSEMBLED WITH RESERVOIR MOUNTING BOLTS THAT WERE IMPROPERLY PROCESSED. THIS COULD MAKE THESE BOLTS BRITTLE AND SUBJECT TO BREAKING. IF BREAKAGE OCCURS, A BRAKE FLUID LEAK MAY DEVELOP BETWEEN THE RESERVOIR AND MASTER CYLINDER. LOSS OF BRAKE FLUID WOULD ADVERSELY AFFECT VEHICLE BRAKING CAPABILITY.

    Possible Effects

    Action

    DEALER WILL REPLACE THE MASTER CYLINDER RESERVOIR MOUNTING BOLTS WITH AN IMPROVED TYPE, WITHOUT CHARGE TO OWNER.

    Notes

    VEHICLE DESCRIPTION: VANS AND MOTORHOMES EQUIPPED WITH HYDRO-BOOST ASSISTSYSTEMS.SYSTEM: SERVICE BRAKES; HYDRAULIC MASTER CYLINDER.CONSEQUENCES OF DEFECT: PARTIAL LOSS OF BRAKING CAPABILITY COULD OCCUR,RESULTING IN LOSS OF VEHICLE CONTROL AND AN ACCIDENT.

    Recall Manufacture Dates

    -

    Vehicles Affected

    12963

  2. Recall Description

    Possible Effects

    Action

    Notes

    GENERAL MOTOR CAMPAIGN NO 77C03.CHEVROLET NO.77C05 GMC.VANS.POSSIBILITYTHAT THE RIGHT FRONT BRAKE LINE ASSEMBLY MAY HAVE BEEN MISPOSITIONED SO THATRUBBING CONTACT OCCURS WITH THE STEERING RELAY ROD DURING LEFT TURNS.IF THISOCCURS, IT COULD RESULT IN FAILURE OF THE BRAKE LINE CAUSING A LOSS OF BRAKEFLUID AND CONSEQUENT LOSS OF THE FRONT BRAKING ACTION.THE REAR BRAKE SYSTEMWILL REMAIN FUNCTIONAL.(CORRECT BY INSPECTING AND REPOSIT- IONING BRAKE LINETO PROVIDE REQUIRED CLEARANCES).

    Recall Manufacture Dates

    -

    Vehicles Affected

    28436

All g30 Recalls

Other GMC Recalls