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Water through the input shaft?

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Old May 21, 2012 | 09:35 PM
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Water through the input shaft?

I have my big ugly pile of crap waterproofed pretty good, diffs and t-case always stay water freepriblem I never seem to be able to keep water out of the T19. It's breather is extended up on the firewall with the diff breather and while it could get water down the shifter I run no shift boot and it definitely was dry all weekend, yet the trans is full of water again, the old T19 did this too. All I can figure is it is getting past the input shaft seal. Anyone else ever have this problem?
 
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Old May 21, 2012 | 09:42 PM
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If water gets in that way oil should get out.
 
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Old May 21, 2012 | 11:07 PM
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I don't see there normally being enough oil on that side of the input bearing to cause it to leak, it is a good 2-3" above the full level in the case so it only sees splash. Like I said, this is the second transmission I have had this issue with, I put in new seals when I put it in and there is no other way in I can think of short of a hole in the case.
 
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Old May 22, 2012 | 10:18 AM
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Water is thinner than gear oil.
 
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Old May 22, 2012 | 04:35 PM
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Thats what I was thinking. It is just a simple lip seal in there, and it's not exactly like it was designed to be exposed to water or hold much oil back. I guess I'm going to have to come up with a better or second seal to jam in there.
 
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Old May 22, 2012 | 09:49 PM
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How about the shaft that the reverse gear rides on? I think it's just a pres fit, than held in by a tab with a bolt through it. I've always put silicone on them.
 
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Old May 23, 2012 | 05:51 AM
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the seals are made to keep oil in. not to keep other liquids from getting in.
 
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Old May 23, 2012 | 10:32 AM
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I will check everything else and I am going to see if I can stack a second seal in there facing the other way.
 
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Old May 23, 2012 | 11:22 AM
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Is there an inspection cover for flywheel access? Is that sealed up nice and good?
 
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Old May 23, 2012 | 11:30 AM
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That is removed, pressure plate packs up with mud otherwise. I have no plans on replacing it either.
 
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Old May 23, 2012 | 11:33 AM
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When the stock plate is in place, how does the mud get in there?
Through the shift fork boot?
 
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Old May 23, 2012 | 12:31 PM
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Originally Posted by alpha/omega
When the stock plate is in place, how does the mud get in there?
Through the shift fork boot?
You'd be surprised. I had the cover on the ranger and it used to alway get clogged up with mud and kill the starter. Since I took it off, I can wash it out much easier and keep starters longer.
 
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Old May 23, 2012 | 09:38 PM
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It gets in through the clutch fork boot, the starter flange, you name it if there's a way in it will find it. Reverse in a mud hole used to be suicide. I had tried sealing up every mating surface with silicone, plugged every hole I could find and I still ended up yanking the clutch on the trail to clean it, while I have had no issues since I opened it up.
 
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Old May 23, 2012 | 10:08 PM
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Originally Posted by kjett
Since I took it off, I can wash it out much easier and keep starters longer.
Not to mention it keeps your torque converter cooler.




82,
Ive never had trouble with mud like this and Ive wheeled in some of the nastiest cement like mule snot known to man. I dont have much of a solution for you
 
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Old May 24, 2012 | 12:11 AM
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The problem I ran into with the clutch is not so much the mud itself, but, small sticks, grass, roots, etc that get mixed in with the water on top of the soup when I went deep that would pack in behind the fingers of the pressure plate when the clutch was disengaged(good old centrifugal force,) that combination mixed with fine clay silt in the water hits the warm pressure plate, dries out and turns into cement. Remember, in the deep stuff I can be dealing with 2-3 feet of water on top of the mud(yay for 6+" of water in the cab,) just giving up trying to seal things alleviated that problem, no hot dry pressure plate, no cement. I have never had a problem where it was just mud or nasty old muskeg to the rockers, only when water is also involved.

I think I am going to pull apart one of my spare transmissions and see about stacking a second stock seal in there facing the other way so it seals the water out.
 
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