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Final drive maintenance

Discussion in 'XJ Technical Chat' started by Lefty, Aug 2, 2007.

  1. Lefty

    Lefty Member

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    Hey all, question about final drive gear maintenance.

    Basically, what should I be doing for my final drive to keep it in tip-top shape while I wait for my Haynes manual to arrive? The owner's manual I have isn't too helpful on the subject, but it's just the dumbed-down one that comes with XJs.

    Thanks!
    Lefty
     
    Lefty, Aug 2, 2007
    #1
  2. Lefty

    Lefty Member

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    Nobody? Damn, it's going to be at least a week before I see the Haynes arrive :(

    Hopefully SalCycle has some insight for me on Monday!
     
    Lefty, Aug 4, 2007
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  3. BlueMaxim

    BlueMaxim Active Member

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    Just change the gear oil every year. Use a GL-4 or GL-5 75/80 hypoid gear oil. Drain the oil from the bottom drain plug on the final drive case then fill to the bottom of the threads of the fill hole.
     
    BlueMaxim, Aug 4, 2007
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  4. RickCoMatic

    RickCoMatic Well-Known Member

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    Lefty:

    There isn't a whole lot of maintenance to pull on the ass-end.

    At the beginning of every season; I just Flush my diff out and let it drip until all previous Hypoid is drained-out.

    Then, I put the drain plug in the bottom and fill it with the best Hypoid rated for High-speed that I can find.
     
    RickCoMatic, Aug 4, 2007
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  5. Robert

    Robert Active Member

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    Flush and fill Lefty, just like the man said. 80 weight is specified but the 75/80 will work just fine.
     
    Robert, Aug 5, 2007
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  6. Lefty

    Lefty Member

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    Awesome, will pick up some hypoid when I get home and do a flush. I don't know if it's ever been done before.

    Thanks!
    C
     
    Lefty, Aug 5, 2007
    #6

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