03TJ Front Axle Seal Question - JeepForum.com

 
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post #1 of 7 Old 04-14-2014, 08:22 AM Thread Starter
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03TJ Front Axle Seal Question

Hi everyone,

I kind of need a quick answer here. I had front u-joints replaced about a month ago which require removing the front axle shafts. I have an axle leak on my passenger side at the dust cover. How likely is it the leak was caused by the u-joint work? Should the shop be liable? I don't want to offend anyone by accusing them but I don't want to pay for their mistake.

Thanks

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post #2 of 7 Old 04-14-2014, 08:25 AM
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Removing and replacing the axle shaft to fix a u-joint could certainly cause damage to the seal and cause it to leak. Proving that it was the direct cause however, would be difficult. The seal could have been old/worn and began leaking anyway right before or shortly after removing the axle shafts.
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post #3 of 7 Old 04-14-2014, 08:37 AM
JFM626
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As the passenger side tube is the longer of the two, it would seem likely that the inner seal is leaking, and is not simply residue left over when removing the shaft. The seals are quite robust, and if the splines on the axle were coated with grease before installation, normally do not leak. You may want to monitor it for a while, check fluid level etc.

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post #4 of 7 Old 04-14-2014, 08:42 AM
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If they reinserted the axleshaft without coating the inner splines with some grease it probably did cause damage to the seal. Even when greased you have to be careful sliding those shafts in through the seals. But as said proving they caused the damage is about impossible.
I would watch it for a while and check diff oil level and not worry about it if it's not a bad leak. Those seals are not easy to get to and replace.
Jim

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post #5 of 7 Old 04-14-2014, 08:52 AM Thread Starter
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Thanks for the info. In response, there is also a high pitched whine coming from the front end, same side as the leak. It is only when the vehicle is in motion. It was very intermittent but becoming more constant. It is louder and slightly different than a u-joint squeak. Likely the problem, or something else?
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post #6 of 7 Old 04-14-2014, 09:32 AM
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Did you check the oil level in the font diff? Might be a little low, which can cause noise.
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post #7 of 7 Old 04-14-2014, 09:48 AM Thread Starter
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I did not, by the time we noticed the leak it was already at the shop. I will be sure to have them check it.
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axle seal , leak , tj , u-joint

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