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Old 08-27-2010, 11:23 PM   #1
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Transfer case fluid

Just to be sure...I have a '91 Wrangler 2.5 5 speed...

The fluid in the transfer case is ATF+4....??? Is this correct.

Does anyone know the capacity? A quart or two?

Thanks

Craig

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Old 08-27-2010, 11:48 PM   #2
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The quick answer is 2 Quarts of ATF+4.

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Old 08-28-2010, 12:56 AM   #3
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That is what I thought I'd read...thanks FNJ
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Old 08-28-2010, 01:03 AM   #4
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Don't thank me Rover, there's a board "smack down" going on right now about your question.

I've given you the O.E.M. info. Cheers!
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Old 08-28-2010, 01:14 AM   #5
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Yup, ATF+4 is what the book says but I've ran 90wt in my case for 10 years with zero issues.
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Old 08-28-2010, 01:29 AM   #6
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Please coyote_94yj ! Explain running 90wt in the transfer case!

I'm not convinced running ATF is the correct solution for a 91 Jeep 2.5L.
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Old 08-28-2010, 01:45 AM   #7
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Well, the factory service manual for my 94 that I used to own said the transfer case uses ATF.

Here are a couple of reasons I ran straight gear oil in the transfer case.

1) It isn't going to do any damage. It will make it harder to shift on the fly but I don't do that anyways.
2) It is thicker and is less likely to leak.
3) Why carry a whole bunch of different bottles of fluid on the trail. The axles and transmission I had used gear oil so why not in the transfer case as well.

Just my personal opinions and experience but I've been into my transfer case a number of times over the years and the gear oil has worked just fine.
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Old 08-28-2010, 09:42 AM   #8
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Now what??? I bought the ATF...I also have 5 qts of Amsoil 80w90...a better choice? Synthetic I know...

Since I just went to the store and bought the ATF+4 that is where I'll begin...unless someone convinces me otherwise.

I'll also go check out the 'smackdown'....you know just to muddy my mind...lol

Craig
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Old 08-28-2010, 12:37 PM   #9
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In your case Rover, I would just stick to the ATF. That is what is already in there and to change to a different fluid would involve rinsing out all the old ATF. Where is this smackdown taking place?
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Old 08-28-2010, 08:13 PM   #10
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Quote:
Originally Posted by FNjeep View Post
The quick answer is 2 Quarts of ATF+4.
agreed yea if you decide to switch to something else you'll have to make sure you really get the old fluid out.
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Old 08-29-2010, 02:11 AM   #11
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You're learnin' me good coyote_94yj

Thanks.
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Old 08-29-2010, 02:39 AM   #12
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Quote:
Originally Posted by FNjeep View Post
You're learnin' me good coyote_94yj

Thanks.
Anytime man.

It's my job to know these things.

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