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1987 GMC Tc4 Recalls

  1. Recall Description

    THE BRAKE INTERLOCK SHUTTLE VALVE ASSEMBLY COULD UNDER A HEAVY SERVICE BRAKE APPLICATION FRACTURE OR FRAGMENT THE INTERNAL SHUTTLE PISTON.

    Possible Effects

    THE FRACTURE OR FRAGMENTION OF THE INTERLOCK SHUTTLEVALVE PISTON COULD RESULT IN PARTIAL OR COMPLETE LOSS OF REAR BRAKING. AREDUCTION IN BRAKING ABILITY COULD RESULT IN A VEHICLE CRASH WITHOUT PRIORWARNING.

    Action

    NEW IMPROVED BRAKE INTERLOCK SHUTTLE ASSEMBLY WILL BE INSTALLED.

    Notes

    SYSTEM: BRAKES/INTERLOCK SHUTTLE VALVE ASSEMBLY.VEHICLE DESCRIPTION: DIESEL TRANSIT BUSES.

    Recall Manufacture Dates

    1985-11-01 - 1987-04-01

    Vehicles Affected

    166

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