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Old 06-30-2012, 12:16 PM   #1
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front axle seal and plastic cap

OK being a new jeep owner I need to ask some questions??

First when i turn to the the left I am getting a slight grind? bearing or ujoints? I believe right side

also on the axle houseing there is fluid leaking not bad but its there I looked at the other side and i see some kind of plastic cap or seal on the axle and looks like maybe its seals into the housing? also its missing on passenger side??

And lastly while trying to take off the nut on front hub assembly i spun the shaft in return spun the front drive shaft then i heard a rotational noise up by the transfer case i think??

Please help i need some advise!!

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Old 06-30-2012, 01:03 PM   #2
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Welcome to WF.... It would help us out to know what you are driving.... year,model, engine, trans.... but i'll give it a shot....

Grinding or popping while turning... its a good sign of a bad axle u-joint. The plastic cap on the axle shaft is just plastic and meant for large debris.... useless for water.

Fluid leaking from the axle tubes is inner axle seals ( there are no outer seals on the D30) IT requires removal of the carrier to replace the inner seals.

Put your wheel back on, lower it to the ground and loosen the axle nut. Jack it back up and proceed with dis assembly.

The rotational noise you hear is most likely just that... rotational noise. I hear it too... spider gears, side gears, t-case.... its all turning....

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Old 06-30-2012, 03:07 PM   #3
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yes LOL

yes that might help! I thoughtI put year and make sorry!! its a 2002 jeep wrangler.


thanks for the info!!! why would there be only one of those plastick caps? did the other break or come off?? i bought the jeep from the original owner. is that oem?

thanks again for your time!!
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Old 06-30-2012, 03:09 PM   #4
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Ya there oem,
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Old 06-30-2012, 03:13 PM   #5
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I don't have a plastic cap on one of mine. No big deal. You need the inner Seal as mentioned for the leak. Check the u joints by hand on the axle. While you do inner seals you can check the gears for damage or wear.
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Old 06-30-2012, 03:39 PM   #6
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ok thanks!!! i did have it up in the air and they seem tight but i know enough to make me dangerous!!! LOL could it be the hub assembly?? also does the axle have to come completly out to do inner seal?
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Old 06-30-2012, 03:49 PM   #7
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Quote:
Originally Posted by rjloope
ok thanks!!! i did have it up in the air and they seem tight but i know enough to make me dangerous!!! LOL could it be the hub assembly?? also does the axle have to come completly out to do inner seal?
If is was the hub unit.. You would have play or a wobble in it with the wheel on. Or maybe grinding when you rotate it

Yes. Axle shafts must be out of housing to do the inner axle seals
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Old 07-01-2012, 07:05 AM   #8
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It only makes a crunching noise when i turn to the right hard!! maybe its something else everything feels tight on the wheels. i have to change inner seal so maybe i will do ujoint while its out.
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Old 07-01-2012, 09:26 AM   #9
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With the Jeep on the ground and wheels straight... throw a large screwdriver or prybar into the u-joint at the wheel and pry on it a bit. ANY movement you see within the joint itself is bad... there should be NONE...

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