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Thread: 1997 Jeep Wrangler - Front Axel Leaking

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    1997 Jeep Wrangler - Front Axel Leaking

    There seems to be a leak somewhere on the driver's side of the front axel. I can't seem to pinpoint where it's coming from. There are encrusted oily parts up against dry dusty parts. This area has always been gummed up, but it wasn't until I noticed a pool of oil on the ground that I though I might have a leak. I took some video of the area. Please let me know if any of you can give me some pointers. http://www.youtube.com/watch?v=5tIEyXEhMPk

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    Inner axle seal at the end of the shaft probably leaking gear oil out.

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    TroubleShooter
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    Quote Originally Posted by Connect View Post
    Inner axle seal at the end of the shaft probably leaking gear oil out.
    x2, the inner seal by the carrier bearing is leaking. Easy fix, just time consuming, as you have to pull the shafts and the carrier. If you plan to regear/install a locker combine those two jobs into one.
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    I have been told, many times, that a regear is something best left to a shop or the experienced. Is this seal something that a weekend wrench can handle? Do I need any special tools? This is not my daily driver.
    Last edited by MrHappy; March 8th, 2008 at 02:25 PM.

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    you can definately handle it yourself. just make sure the caps, races, any shims etc. all go back in the same place and order you take them out. other than that it would be difficult to mess it up. like Denis said, it's just time consuming. put the front end on jackstands and go for it. air tools are a big plus
    it runs, it goes, it stops.
    what more can you ask for?

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    Quote Originally Posted by thomasinnv View Post
    you can definately handle it yourself. just make sure the caps, races, any shims etc. all go back in the same place and order you take them out. other than that it would be difficult to mess it up. like Denis said, it's just time consuming. put the front end on jackstands and go for it. air tools are a big plus
    As well as a gasket scraper, RTV tube, and some Gear Oil!

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    Where is this seal exactly? Is it inside the differential chamber or is it down inside the axel housing? Is this a part I can just order at Kragen? What is the common name of this part?

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    Quote Originally Posted by MrHappy View Post
    Where is this seal exactly? Is it inside the differential chamber or is it down inside the axel housing? Is this a part I can just order at Kragen? What is the common name of this part?


    It's part 24 in the image. You have a 50/50 shot at getting the right part at Kragen. You have a better (but not by much) shot at Auto Zone.
    "A parent's only as good as their dumbest kid. If one wins a Nobel Prize but the other gets robbed by a hooker, you failed."

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    Would this be about right for my Jeep as well?
    http://www.jedi.com/obiwan/jeep/d30axleseal.html
    What might a shop charge for this?

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    Quote Originally Posted by MrHappy View Post
    Would this be about right for my Jeep as well?
    http://www.jedi.com/obiwan/jeep/d30axleseal.html
    What might a shop charge for this?
    That's the right one, just ignore the part about vacuum disconnect - TJs don't have that. Don't quote me, but I would guess a shop would do it in about 2-3 hours, so go from there - ~$150-225. It's a really simple job, just time consuming. You can easily do it in an evening. Find a buddy to help.
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    I have the driver's side axel out of the housing. There is only one seal near the differential gears. There is no seal at the outer end of the housing. Is that correct?

    Tonight I will take out the passenger side axel and take off the differential cover.

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    Quote Originally Posted by MrHappy View Post
    I have the driver's side axel out of the housing. There is only one seal near the differential gears. There is no seal at the outer end of the housing. Is that correct?

    Tonight I will take out the passenger side axel and take off the differential cover.
    That's correct. The seals are accessible, when you remove the carrier, they are pressed into the housing by the bearing caps. Make sure when you pull the carrier out, you mark the bearing caps to go back exactly the same way.
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    I am terrified that I am going to screw this up, so thanks for the heads up. Does the carrier just come out or do I have to pry at it? And if I have to pry at it then how do I get it back in?

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    TroubleShooter
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    Quote Originally Posted by MrHappy View Post
    I am terrified that I am going to screw this up, so thanks for the heads up. Does the carrier just come out or do I have to pry at it? And if I have to pry at it then how do I get it back in?
    Yeah, pry it out, some come out easier than others. To put it back in, just line it up and tap it back in with a rubber mallet.
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    I'm all finished installing the new seals. I want to throw an idea out here and see what you think. When I took out the seals they looked great, new even. The seals are seated on a thin metal "cup" that rests snugly in the housing. It looks like there is a compression or springyness to the metal that might apply slight pressure to the rubber gasket that makes contact with the axel. The old seal and the new seal are the same size. When I instaled the new seal they went in just over 1/8" deeper then the old seal. Would this apply more pressure and could the old seal perhaps simply not been installed properly?

    Thank you guys for all the help by the way. At one point I was considering replaceing the whole dana 30 to avoid messing with the gears. lol
    Last edited by MrHappy; March 26th, 2008 at 09:58 PM.

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    As a followup, Kragen did get me the wrong part. I ended up getting the part off of eBay. Here is the Dana 30 Front Axel oil seal
    http://www.google.com/search?hl=en&q...=Google+Search

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    Quote Originally Posted by MrHappy View Post
    As a followup, Kragen did get me the wrong part. I ended up getting the part off of eBay. Here is the Dana 30 Front Axel oil seal
    http://www.google.com/search?hl=en&q...=Google+Search
    Does anyone sell this part? This thing is leaking again; profusely.

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    Bayshore, or see Justin at Jeep.

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    Quote Originally Posted by MrHappy View Post
    Does anyone sell this part? This thing is leaking again; profusely.
    3.90 FROM CROWN. Want me to get one for you? I can have it today.
    "A parent's only as good as their dumbest kid. If one wins a Nobel Prize but the other gets robbed by a hooker, you failed."

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    New seals made no difference. This thing leaks just as much as it always has. I am thinking the axel housing is bent. This is on the same side that has all the repair work, and makes all the poping noises, and has the damaged fender. Maybe this thing was in an accident larger than the previous owner let on. I am thinking I should just replace the whole axel.

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