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Old 05-14-2010, 07:05 PM   #1
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Pinion Nut Removal

I need help, I am trying to change my pinon seal and I can not remove the pinion nut. I have tried a pry bar, an electric impact wrench, pneumatic impact wrench, I have sprayed it with Penetrating oil and NOTHING!!! I was wondering if there was thread locker on the threads? Does anyone have any suggestions? Thanks for the help in advance!

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Old 05-14-2010, 07:39 PM   #2
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There should be a little thread locker on it but nothing to prevent the nut from coming off, I have removed my TJ's pinion nuts probably a dozen times with nothing more than what you have tried. What normally happens is the tool is too slow operating & can't spin it fast enough to prevent the Jeep from rolling as you try to remove it. And the electric impact wrench you're trying is undoubtedly not powerfull enough to shock it loose.

I'd probably just cruise by the local 4x4 shop and let them hit it with an air impact wrench & put it back on not quite so tight so you can drive it home & get it back off with what you have.

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Old 05-14-2010, 09:17 PM   #3
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If the axle is out or is free spinning, you can try a large plumbers wrench and place it over the yoke. Gives a nice bit of grip on the other side of the nut. And if you need extra torque, put a piece of tube over the wrench's handle.

Here's the idea:
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Old 05-14-2010, 09:21 PM   #4
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definitly having big enough, and enough air supplie for air tools would be good. I couldnt get mine off at home, so i did it at work just using a 1/2" air gun
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Old 05-14-2010, 11:17 PM   #5
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You can always hit it with some heat from a torch, not cherry red but enough to help breakdown the lock tight. One of those small mapp gas torches from any home depot/ lowes type place will suffice.
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Old 05-15-2010, 10:54 AM   #6
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Thank you all for your suggestions. I have done just about all that I can try... So I am going to take Jerrys suggestion and take it to my 4x4 shop. Thanks guys for all your help!

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