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Unread 07-01-2010, 12:59 AM   #1
sergeantspud
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Manual Transmission Leaking Massive Amounts

So today for the first time in months I drove my jeep for around a 40 mile trip on the freeway (2800rpm roughly 70mph) and all was well until tonight when I walk back out to my jeep after getting off work and noticed a huge oil puddle* under the center of my jeep. After inspecting, it looks like its either coming from the Tcase or transmission but I want to say there could be a leak in the shifter boot? Is there a seal up there?

*Exaggeration disclaimer- it was more several spots to add up to a large wet spot in the pavement. Also my whole rear axle is covered in the oil.

I'm wondering if this could be due to the recent freeway travel? And any other places it could be leaking from? Ill try to post pics tomorrow.

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Unread 07-01-2010, 10:09 AM   #2
sergeantspud
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Pics-

4th picture- Shows how the leak originates from the shift boot back because in front of that is not wet.

5th picture- I took out the fill plug today and noticed that there was oil missing (obviously) but the residue inside of the plug looked almost like mayonase with consistency. Quite odd because I changed out the transmission oil with Redline MT-90 just a few months ago.
img_1388.jpg   img_1395.jpg   img_1397.jpg   img_1398.jpg   img_1402.jpg  

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Unread 07-01-2010, 10:30 AM   #3
unlimited4x4
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I am just guessing at this, but it appears the spray area seems to start above where the drive shaft in the first picture enters the transfer case. Is there a seal where the shaft enters the case that could have failed?
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Unread 07-02-2010, 08:10 PM   #4
wushaw
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Clean it off and drive it again.
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Unread 07-02-2010, 08:30 PM   #5
sergeantspud
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I cleaned it off and changed all the fluid. About half of it was missing. As I was draining it however, there somehow go water inside of the fluid. It was white and the first few drops were clear water. I don't know how that happened because it hasn't rained in months and theres no water around here in the desert. But my theory is that the water caused foam to form as I was on the freeway and oil came out of the vent on top by the shifter.
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Unread 07-02-2010, 08:36 PM   #6
wushaw
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Doesn't your vent tube attach to the top of your bellhousing?
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Unread 07-02-2010, 08:40 PM   #7
TJLover99
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Was this the first time you have driven your jeep since it last rained?
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Unread 07-02-2010, 09:08 PM   #8
sergeantspud
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Im not positive where the vent tube connects but there also just a plain vent at the top in the 3rd picture next to the shifter.

And its my daily driver, so maybe condensation?
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Unread 07-02-2010, 11:37 PM   #9
asknight
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Sometimes they'll blow oil out the shifter tower if the vent line becomes clogged. Check those while you're under there and see what gives.

I can't explain the water if you haven't been playing submarine.
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