Does this look like a leaking Transfer case? - JeepForum.com
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Unread 03-19-2011, 03:12 PM   #1
Gewehr43
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Does this look like a leaking Transfer case?

My 4WD light hasn't worked for about 2 years now and I finnaly had time today to browse the forum looking for an answer and I found out the switch for it is on the Transfer case. So when I went looking for the switch I noticed some oil around the transfer case and on the skid plate.

I was wondering if my 4WD drive light problem could be caused by a leaking TC?

But I was wondering if the TC can leak from other than the drill or fill hole? Are there holes on top or behind that can cause oil to splash up, like in my pictures?

P.S ( I still couldn't manage to locate the switch behind the TC, was too far back to see anything)





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Unread 03-19-2011, 03:15 PM   #2
Cesaros
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no, a leaking trans case wont screw up your 4WD light.
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Unread 03-19-2011, 03:27 PM   #3
dcioffjeep
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Looks a lot cleaner than other t cases I have seen on jeeps and whatnot before.
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Unread 03-19-2011, 04:15 PM   #4
chris142
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Your TC uses ATF which is Red. I see green all over the place in those pics. You should be looking for a coolant leak. No the oil or whatever is all over the place has no effect on the light.
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Unread 03-19-2011, 04:36 PM   #5
freeskier93
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I'm not sure how it would be coolant, unless gravity is reversed, the most common way for something to get on the bottom of the tub is from the drive shaft spinning and flinging it up. Have you touched it yet to see if it's greasy or liquidy?
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Unread 03-19-2011, 04:58 PM   #6
chris142
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I see green what looks like green coolant on the bottom of his transfercase. Unless he's running some sort of green oil for St.Patricks day I'm guessing it's coolant
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Unread 03-19-2011, 05:33 PM   #7
Gewehr43
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I didn't check the stuff on the top just on the bottom of the skid plate and it was clear brown and was oil of some sort.
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Unread 03-19-2011, 05:42 PM   #8
wushaw
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Quote:
Originally Posted by freeskier93 View Post
I'm not sure how it would be coolant, unless gravity is reversed, the most common way for something to get on the bottom of the tub is from the drive shaft spinning and flinging it up. Have you touched it yet to see if it's greasy or liquidy?
You have not seen enough leaks yet. I had a PS line come loose a few weeks ago testing out my ram and I still have PS fluid on my spare tire.
Leaks can & will become airborne at speed.

OP, pressure wash everything then keep an eye on trying to pinpoint the leak.
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Unread 03-19-2011, 06:10 PM   #9
Knuckelhead
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Have you checked the fluid level in your transfer case?...
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Unread 03-19-2011, 07:09 PM   #10
Gewehr43
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Originally Posted by Knuckelhead View Post
Have you checked the fluid level in your transfer case?...

I was going to but decided to post here first and see what you guys think before I went off and bought a 10mm allen bit to check it.
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Unread 03-19-2011, 07:24 PM   #11
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Originally Posted by Gewehr43 View Post
I was going to but decided to post here first and see what you guys think before I went off and bought a 10mm allen bit to check it.
Remove the fill plug first...
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Unread 06-04-2012, 04:14 PM   #12
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I just noticed the same problem today... drove about 300 miles yesterday and today i found a decent size oil spot on the driveway. Looked underneath and found this same spray of oil all around the front axle drive shaft side of the transfer case and underbelly of the jeep. The oil was brown though, like standard motor oil, not red or green. could have been dirt (there was a lot of that caked with it) but i tried to find some clean stuff dripping and it was still brown and oily.

bottom line, im curious what you did to fix it/how much it cost.
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Unread 06-04-2012, 04:22 PM   #13
Knuckelhead
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Quote:
Originally Posted by imhoffg View Post
I just noticed the same problem today... drove about 300 miles yesterday and today i found a decent size oil spot on the driveway. Looked underneath and found this same spray of oil all around the front axle drive shaft side of the transfer case and underbelly of the jeep. The oil was brown though, like standard motor oil, not red or green. could have been dirt (there was a lot of that caked with it) but i tried to find some clean stuff dripping and it was still brown and oily.

bottom line, im curious what you did to fix it/how much it cost.
Is your front pinion shaft seal leaking?...
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Unread 06-05-2012, 09:12 AM   #14
imhoffg
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well, i just got off the phone with my mechanic. I had just had some work done a week earlier, and he topped off the atf when he worked on it. Our guess is it is just discharge from the breather when the oil got a little extra hot while driving that far. It doesn't look like its coming from that pinion shaft seal, since that is pretty much clean and in good looking shape. I'll just keep an eye on it.
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