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Thread: New axle

  1. #21
    Advertiser Exodus Jeeps's Avatar
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    Quote Originally Posted by JKDream View Post
    It doesn't. The JK is different from previous models where this is true.
    Correct. You CAN drive the JK unit bearings without the stub shafts in. The unit bearing for the 2WDs is the same as the 4WDs.


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  2. #22
    Fresh Catch ThatJeepGuy's Avatar
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    Quote Originally Posted by Ddays View Post
    That's true with replaceable bearings but in the case of the JK, they are totally sealed and self-contained. There isn't any way to tighten them up.
    Okay I gotcha. Personally I ran stub shafts with an empty housing at least for the peace of mind on the highway everyday.


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  3. #23
    Knows a Thing or Two jdofmemi's Avatar
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    Quote Originally Posted by Ddays View Post
    That's true with replaceable bearings but in the case of the JK, they are totally sealed and self-contained. There isn't any way to tighten them up.
    The GM bearing that caused the story above is a sealed, self contained unit bearing as well, but the design of it is such that the stub shaft tightens down and holds it together. The light press fit of the bearings in the unit assembly is not enough. I don't think it sets preload, more of just keeping the two halves together.

    While it may not be an issue on JK's, it is on some vehicles, and you don't know which ones until it's too late

  4. #24
    Fresh Catch ThatJeepGuy's Avatar
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    Quote Originally Posted by jdofmemi View Post
    The GM bearing that caused the story above is a sealed, self contained unit bearing as well, but the design of it is such that the stub shaft tightens down and holds it together. The light press fit of the bearings in the unit assembly is not enough. I don't think it sets preload, more of just keeping the two halves together.

    While it may not be an issue on JK's, it is on some vehicles, and you don't know which ones until it's too late
    I think the moral of the story here is its better to be safe than sorry


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  5. #25
    Nothing but a Thing Stotch's Avatar
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    I've got a D30 housing you could have for pretty dang cheap. I'm tired of looking at it. Then you could save for an axle that's worth the money (ProRock).

  6. #26
    Nothing but a Thing Stotch's Avatar
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    Scratch that, I just sold it today.

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