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Old 07-08-2010, 12:00 PM
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Front diff leaking fluid...

Noticed about a week the front differental is leaking... by the drop im sure this is potentially a bad thing. wondering if anybody knows if this is an easy job i could do my self i know filling it may not be a problem but to reseal it so it doesn't leak anymore. hard or easy job?
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Old 07-08-2010, 12:15 PM
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Re: Front diff leaking fluid...

I've just done the rear one and I imagine the front is similar. It's easy to do. Access to the rear was a pain, but the front should be easy. You just seal it with RTV.
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Old 07-08-2010, 12:46 PM
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Re: Front diff leaking fluid...

Not hard at all. Sometimes it just takes some work to break the seal of the diff cover when removing it.
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Old 07-08-2010, 01:02 PM
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Re: Front diff leaking fluid...

It's VERY easy to do. I replaced my front dif fluid in about 30 minutes. First remove the drain plug. You want to remove the plug BEFORE removing the cover to ensure it's not seized into the hole. Nothing sucks more than draining the fluid to find out you cant get the plug out and the vehicle has to say put.

Then loosen all the bolts (need socket and socket wrench and possibly a universal; or just a wrench). Remove all but the very top bolt but make sure the top bolt is backed out a good ways. Take a large flat blade screw driver and gently work it between the cover and differential. Once it breaks the seal, it should pop free and most of the fluid will come out. Remove the top bolt and cover.

Clean all the old RTV off both surfaces (cover and diff) and make sure they are smooth. Apply new RTV to cover and place back on diff. Replace the bolts and get them finger tight. Slowely tighten them down by working in a cross pattern on the bolts. You don't want to tighten one side and push all the RTV out the other side. Let it sit for a day and you'll be good.
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Old 07-08-2010, 02:22 PM
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Re: Front diff leaking fluid...

sounds good guys thanks for the input ill be taking care of that this weekend.
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Old 07-08-2010, 04:51 PM
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Re: Front diff leaking fluid...

You have to loosen the fill plug first, not the drain plug. If you find the fill plug seized, you can never fill the diff anymore.
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Old 07-08-2010, 06:04 PM
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Re: Front diff leaking fluid...

Quote:
Originally Posted by Frango100 View Post
You have to loosen the fill plug first, not the drain plug. If you find the fill plug seized, you can never fill the diff anymore.

Don't let that scare you. You can rill the diff again, just with a new diff cover.
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Old 07-08-2010, 08:08 PM
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Re: Front diff leaking fluid...

Quote:
Originally Posted by Frango100 View Post
You have to loosen the fill plug first, not the drain plug. If you find the fill plug seized, you can never fill the diff anymore.
There's only one plug on the cover so he shouldn't have an issue finding it (yeah, I called it the drain but it's technically the fill plug). That plug also shouldn't completely seize in the hole. If it's stuck, use some heat and a big wrench. Put some oil on the threads so they don't rust when you put it back in.

If that doesn't work you can always drill it out, re-tap it, and get a new plug.
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Old 07-08-2010, 10:44 PM
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Re: Front diff leaking fluid...

is it leaking at the cover seal in the front or in the back were the shaft is?

odd for RTV to go
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Old 08-10-2010, 11:51 AM
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Re: Front diff leaking fluid...

I have to look at it again i just took a brief look and whiped it with a clothes seems to be leaking from the bottom

Quote:
Originally Posted by straty1987 View Post
is it leaking at the cover seal in the front or in the back were the shaft is?

odd for RTV to go
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Old 08-10-2010, 11:52 AM
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Re: Front diff leaking fluid...

Also I took the wj to the mechanic and they gave me a price of 160$ to reseal and fill the front diff... seems like a rip off to me i told em ill just do it myself...
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Old 08-10-2010, 12:16 PM
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Re: Front diff leaking fluid...

Could be the side seals needing replaced
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