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Tcase leaking transmission fluid?

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Old Jan 31, 2013 | 05:03 PM
  #1  
hiboost2.0's Avatar
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From: NJ
Tcase leaking transmission fluid?

Hey guys recently was under my car and did a quick visual inspection and noticed this.



I used redline heavyweight shockproof in the t case and that is not pink or thick enough to be redline. I use Pennzoil synchro mesh in the trans and this seems to be around the same viscosity and has a similar smell to it.

It seems like the following seals could be the culprit 30289s, 30145, or 30289. Does that make sense? If so I'm just going to get all 3 and replace all of them. I cracked the trans fill plug and pulled it off and usually I fill it until it start dripping out, no drips were observed and from what I've seen and no other leaks. Let me know what you guys think and thanks!
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Old Jan 31, 2013 | 06:38 PM
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From: Darlington, S.C.
I had the same issue. Replace the seal you should be good.
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Old Jan 31, 2013 | 07:06 PM
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Originally Posted by Mrauto50
I had the same issue. Replace the seal you should be good.
Thanks for your reply. Just so you know it's NOT inbetween the transfercase and transmission it's a leak out of the transfer case.

I'm thinking of just replacing all of them just because all three combined will be less than $20.
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Old Feb 1, 2013 | 05:57 AM
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I had the same issues, i replaced the seal and 400 miles later SAME ISSUE,
It was so bad that at high RPMs the Tcase would spew out Trans fluid and i could smell it.
after taking it all back out, The center diff needed to be replaced AND the Tcase needed to be replaced and the Driver side Axle Shaft!
The Shaft was turning at a diff rate then the center diff and it tore the center diff up and the axle,
So i got a quaife center diff. the Tcase ACD was screwed up some which way so i deleted the whole dam ACD system and went with a 04 RS tcase it wasnt the pump it was something in the ACD actuator or the clutch pack, not working as it should HENSE why i hate the ACD system.
So look at your driver side Axle shaft, the one that fits into the trans and make sure that thats not jacked up, cause if it is your Center diff wont hold it correctly center into the Tcase and more issues will occur.

Last edited by blowngasket; Feb 1, 2013 at 06:02 AM.
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Old Feb 1, 2013 | 06:57 AM
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From: Ventura, Ca
Just rebuild the transfer case, with a complete new seal kit. You can order it from Jackstransmissions.com for about 80 $$.. Don't just take it out to replace one seal lol.
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Old Feb 1, 2013 | 02:14 PM
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Originally Posted by blowngasket
I had the same issues, i replaced the seal and 400 miles later SAME ISSUE,
It was so bad that at high RPMs the Tcase would spew out Trans fluid and i could smell it.
after taking it all back out, The center diff needed to be replaced AND the Tcase needed to be replaced and the Driver side Axle Shaft!
The Shaft was turning at a diff rate then the center diff and it tore the center diff up and the axle,
So i got a quaife center diff. the Tcase ACD was screwed up some which way so i deleted the whole dam ACD system and went with a 04 RS tcase it wasnt the pump it was something in the ACD actuator or the clutch pack, not working as it should HENSE why i hate the ACD system.
So look at your driver side Axle shaft, the one that fits into the trans and make sure that thats not jacked up, cause if it is your Center diff wont hold it correctly center into the Tcase and more issues will occur.
Sorry to hear that, though I don't think it's as serious as your situation was because I don't smell anything and it looks like small drips if anything because I don't noticed anything on my garage floor when it's parked over night.
Just rebuild the transfer case, with a complete new seal kit. You can order it from Jackstransmissions.com for about 80 $$.. Don't just take it out to replace one seal lol.
I wasn't even going to drop the tcase, just take the outer cover off because that's where those seals are.
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