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1974 Chevrolet Je70 Recalls

  1. Recall Description

    Possible Effects

    Action

    Notes

    CHEVROLET CAMPAIGN NO 74-C-19.POSSIBILITY WHEN THE ALLISON MT-650TRANSMISSION IS MATCHED WITH EITHER THE 366 OR 427 CID V-8 ENGINES, THE 1,3 TO1,0 GOVERNOR DRIVE-TO-DRIVEN GEAR RATION CAN CREATE EXCESSIVE GOVERNOR RPM WHENOPERATED IN TOP GEAR AT OR NEAR MAXIMUM RATED ENGINE SPEED RPM OF 4000.THEEXCESSIVE GOVERNOR SPEED CAN RESULT IN A GOVERNOR DRIVEN GEAR FAILURE.AFAILURE OF THIS TYPE CAN CAUSE A DOWN SHIFT OF THE TRANSMISSION WITHOUTWARNING.IF THIS OCCURS, TRANSMISSION AND ENGINE SPEED WOULD INCREASE GREATLYAND MAY RESULT IN ONE OF THESE COMPONENTS BREAKING.(CORRECT BY INSPECTING ANDINSTALLING NEW TRANSMISSION REAR HOUSING ASSEMBLY AND GOVERNOR WITH 1.0 TO 1.0 DRIVE-TO-DRIVEN RATIO.)

    Recall Manufacture Dates

    -

    Vehicles Affected

    811

  2. Recall Description

    Possible Effects

    Action

    Notes

    CHEVROLET CAMPAIGN NO 74-C-20.GMC CAMPAIGN NO 75-C-03.HEAVY DUTY TRUCKS.POSSIBILITY THAT THE THICKNESS OF THE HOUSING MATERIAL WHERE THE HOUSING ISFRICTION WELDED TO THE SPINDLE IS INSUFFICIENT AND MAY FAIL.SUCH FAILUREWOULD CONSIST OF A CRACKED HOUSING ALLOWING THE SPINDLE, WITH ITS ATTACHINGCOMPONENTS TO BECOME DETACHED AND ROLL FREE FROM THE VEHICLE.(CORRECT BYINSPECTING AND REPLACING REAR TANDEN AXLE WHERE NECESSARY).

    Recall Manufacture Dates

    -

    Vehicles Affected

    4877

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