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1985 Chevrolet C70 Recalls

  1. Recall Description

    THE POWER STEERING ASSIST CYLINDER MOUNTING BRACKET BOLTS MAY LOOSEN DUE TO PAINT ON THE BOLT THREADS AND THE MOUNTING BRACKET MATING SURFACE. CONSEQUENCE OF DEFECT: THIS MAY RESULT IN LOOSENESS AND ERRATIC STEERING DURING FULL TURNS. WITH CONTINUED OPERATION POWER CYLINDER COULD DETACH FROM THE FRAME RAIL RESULTING IN RESTRICTED STEERING, SEVERING OF FRONT BRAKE HOSE AND LOSS OF FRONT AXLE BRAKING. WITH EITHER CONDITION, A VEHICLE CRASH COULD RESULT.

    Possible Effects

    Action

    REMOVE PAINT FROM MATING SURFACES OF BRACKET AND FRAME RAIL; REPLACE POWER STEERING ASSIST CYLINDER MOUNTING BOLTS.

    Notes

    SYSTEM: POWER STEERING. VEHICLE DESCRIPTION: MEDIUM DUTY TRUCKS EQUIPPED WITH POWER STEERING AND 12,000 LBS. FRONT AXLES.

    Recall Manufacture Dates

    1985-03-01 - 1986-07-01

    Vehicles Affected

    9038

  2. Recall Description

    THE PARKING BRAKE ACTUATING LEVER CAM MAY CONTAIN A QUENCH CRACK WHICH CAN WIDEN, REDUCING THE HOLDING CAPABILITY OF THE PARKING BRAKES. CONSEQUENCE OF DEFECT: THE REDUCED HOLDING CAPABILITY OF THE PARKING BRAKE COULD ALLOW AN UNATTENDED TRUCK TO ROLL AWAY UNCONTROLLED, WHICH MAY LEAD TO AN ACCIDENT.

    Possible Effects

    Action

    INSTALL A NEW ACTUATION LEVER.

    Notes

    SYSTEM: PARKING BRAKE.VEHICLE DESCRIPTION: MEDIUM-DUTY TRUCKS EQUIPPED WITH A TRANSMISSION MOUNTEDINTERNAL EXPANDING TYPE 9" X 3" PARKING BRAKE.

    Recall Manufacture Dates

    1985-04-01 - 1985-08-01

    Vehicles Affected

    4967

  3. Recall Description

    STEERING CONTROL ARM CAN BE OVERSTRESSED WITH HEAVY STEERING INPUT CAUSING IT TO CRACK AND IT COULD EVENTUALLY BREAK COMPLETELY. CONSEQUENCE OF DEFECT: IF THE STEERING CONTROL ARM BREAKS, COMPLETE LOSS OF STEERING ABILITY AND TRUCK CONTROL WOULD OCCUR WITHOUT WARNING WHICH COULD RESULT IN AN ACCIDENT.

    Possible Effects

    Action

    INSTALL NEW STEERING ARM AND OTHER STEERING SYSTEM HARDWARE WHICH WILL PREVENT OVERSTRESSING INPUT CONDITIONS FROM OCCURRING.

    Notes

    SYSTEM: STEERING CONTROL ARM. VEHICLE DESCRIPTION: MEDIUM DUTY CONVENTIONAL TRUCKS EQUIPPED WITH 9,000 OR 12,000 LB. FRONT DRIVING STEERING AXLE AND AN 8.2 LITER ENGINE.

    Recall Manufacture Dates

    1981-07-01 - 1984-09-01

    Vehicles Affected

    499

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