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1990 GMC B6 Recalls

  1. Recall Description

    THE PARKING BRAKE DRUM ATTACHMENT BOLTS MAY LOOSEN AND CAUSE A DRIVELINE LOCKUP CONDITION WHEN THE BUS IS STOPPED OR ALMOST STOPPED.

    Possible Effects

    DRIVELINE LOCK-UP COULD CAUSE LOSS OF VEHICLE CONTROLWITHOUT PRIOR NOTICE, AND RESULT IN A VEHICLE CRASH.

    Action

    REMOVE ALL OF THE PARKING BRAKE DRUM BOLTS, APPLY A RETAINING COMPOUND TO NEW BOLTS, AND TORQUE THE NEW BOLTS TO SPECIFICATION.

    Notes

    SYSTEM: TRANSMISSION MOUNTED PARKING BRAKES DRUM.VEHICLE DESCRIPTION: SCHOOL BUSES EQUIPPED WITH HYDRAULIC BRAKES (JE3) ANDALLISON AT545 AUTOMATIC TRANSMISSIONS (MF1).

    Recall Manufacture Dates

    1985-08-01 - 1989-11-01

    Vehicles Affected

    14044

  2. Recall Description

    A MANUFACTURING CONDITION IN THE THROTTLE BODY INJECTOR (TBI) UNIT MIGHT OCCUR TO ALLOW THE THROTTLE CAM LEVER TO DISENGAGE FROM THE THROTTLE DRIVE SHAFT.

    Possible Effects

    IF THE THROTTLE CAM LEVER DISENGAGES FROM THE THROTTLEDRIVE SHAFT, THE ENGINE COULD GO TO WIDE OPEN THROTTLE WITHOUT PRIOR WARNING.THIS LOSS OF VEHICLE ACCELERATOR CONTROL COULD RESULT IN A VEHICLE CRASH.

    Action

    REPLACE THE THROTTLE DRIVE COVER ASSEMBLY.

    Notes

    SYSTEM: FUEL SYSTEM; THROTTLE LINKAGE.VEHICLE DESCRIPTION: SCHOOL BUSES WITH 6.0 LITER ENGINES.

    Recall Manufacture Dates

    -

    Vehicles Affected

    6656

All b6 Recalls

Other GMC Recalls