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HOW-TO replace an idler/tensioner pulley bearing..

Discussion in 'How-To' started by RIDE THE, Oct 25, 2011.

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  1. RIDE THE

    RIDE THE Shake & Bake Established Member

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    If you have a press that would be the best method for replacing a bearing. If not, this method will work for you.

    This procedure will work on any style pulley. Aftermarket or stock pulley. I'd be careful with double bearing pulley's though.

    Replacing a $10 bearing is a lot better than replacing a $80 pulley IMO.



    Stock pulley from the front:
    1746963a.jpg


    Stock pulley from the back:
    42b2c033.jpg


    You want to find a socket that will just fit through the opening in the pulley: (15/16th impact works perfect): ad030b55.jpg


    Use a hammer and drive the bearing out of the pulley:
    796a89a9.jpg

    35edbfbf.jpg


    Napa part number for the replacement bearing:
    0b99af9e.jpg


    Same size bearing:
    f5f560f5.jpg

    7ea42824.jpg


    Place the pulley on a rag and set the new bearing down in the hole:
    9c142813.jpg


    DO NOT DRIVE THE NEW BEARING IN DIRECTLY WITH A HAMMER!!!


    Use the old bearing to drive the new bearing into place:
    b3f6e40a.jpg


    Use a large enough socket to drive both of the bearings (1 1/8th):
    6ed5f5e6.jpg


    Good as new:
    17abfab4.jpg

    297548c2.jpg
     
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