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  1. #1

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    TJ rear Dana 44 Pinion Bearing shot...

    I think my inner or outer pinion bearing is shot. Is there a way to replace them without re-setting gears? I searched, but couldn't find what I was looking for.
    Stupid signature... I hate not being clever, quick and full of wit.

  2. #2
    Digger's Avatar
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    yes.
    ASE Master Tech
    '95 5.9 XJ on 44s and 35s
    Owner/Operator 4 On The Floor Automotive

  3. #3
    well digger can you clarify lols
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  4. #4
    Resident Gorilla
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    Don't loose the shims and get them back in the right places. There is no reason the bearing is going to change anything. Bearing tolerances are tight enough to not change your gear set up.
    "If we can prevent the government from wasting the labors of the people, under the pretence of taking care of them, they must become happy." Thomas Jefferson

  5. #5

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    So how does one go about pulling them?

  6. #6
    Resident Gorilla
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    Quote Originally Posted by denalijb View Post
    So how does one go about pulling them?

    Take it to a shop.

  7. #7
    What makes you think the pinion bearing is shot, just out of curiosity?

  8. #8

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    I can hear it squeeling. It's not loose though. I've checked that. It's just making noise. No vibrations. I've also checked the pumpkin for shavings... none so far. It's been making the noise for probably 10 or 15k now.

    Is this something I should even be concerned about? Just wait another 20k when I change tires and gears?

    J

  9. #9
    It's hard to believe the pinion bearings would be shot unless you starved them of oil. I bet your noise is more likely coming from the carrier or the gears themselves.
    TJx2

  10. #10
    'Screw you guys, I'm going home" Frank Z's Avatar
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    At the very least you should check the torque on the pinion nut.
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  11. #11
    Digger's Avatar
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    Quote Originally Posted by denalijb View Post
    I can hear it squeeling. It's not loose though. I've checked that. It's just making noise. No vibrations. I've also checked the pumpkin for shavings... none so far. It's been making the noise for probably 10 or 15k now.

    Is this something I should even be concerned about? Just wait another 20k when I change tires and gears?

    J
    bearings don't squeal. U-joints do though. pull the front driveshaft and drive it.

  12. #12
    Quote Originally Posted by denalijb View Post
    So how does one go about pulling them?
    If it is the outer, take off the pinion nut, take off the yoke, take out the seal, take out the bearing, check the race to make sure it isn't messed up, replace as nessecary, install new bearing, install new seal, put yoke back on, put nut back on and torque to spec.

    If it is the inner, pull the shafts, pull the carrier, repeat above steps on removal, take the pinion out, fire up the bbq**, set the pinion with the bearing on it in the bbq, let it get hot, wear gloves, take it out, pull bearing off making sure shims stay in place, put new bearing in bbq, let it get hot, reinstall bearing on pinion making sure shims are still there, let cool, reinstall reverse steps and torque everything to specs.

    **bbq can be eliminated if you have a bearing puller and a press.

  13. #13
    Do you suggest a honey or a smoked BBQ Sauce?

  14. #14

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    Thanks for the replies. I'll try the front drive shaft, but I'm pretty sure it's the rear. I think the seal is shot and the race is drying out of the outer bearing. Since it isn't loose, I'm not all that concerned about it, its just annoying.

    Also... I'm sure it isn't the rear driveshaft/u-joints as I just finished an SYE and it was present before then.

    How about an axle bearing?
    Last edited by denalijb; September 30th, 2007 at 09:31 PM.

  15. #15
    Yeah, that's much more likely. A pinion bearing would probably show as a loose pinion shaft (some wobble), but I sorta doubt it. I've never seen one blow, they just slowly get shaky, and the carrier bearings on a 44 are way more failure prone iirk.

  16. #16

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    Well. Pulled the Driveshaft. Replaced all of the U-joints.

    No change. My guess is something in the rear still.

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