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Transfer case leaking

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shinton View Drop Down
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Post Options Post Options   Quote shinton Quote  Post ReplyReply Direct Link To This Post Topic: Transfer case leaking
    Posted: 07 Aug. 2008 at 4:14pm
We put new seals & the old yokes in the transfer case & differentials , but had bad leaks. So, we bought new seals (again) and NEW yokes. AH, but we still have bad leaks.  There are no leaks between the seals & the yokes, BUT the fluid runs out around the splined shaft where the nuts go.  The repair manual, parts list  or catalogue s do not show any kind of seal for the splines ( inside or out), just the washers & nuts.  
 
 SO., how do we stop the leaks??????
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bgirmus View Drop Down
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Post Options Post Options   Quote bgirmus Quote  Post ReplyReply Direct Link To This Post Posted: 07 Aug. 2008 at 4:19pm
If the leak is around the nut, the lube is seeping out of the splines.  Take the yoke off, put some sealant ( not sure what kind exactly) on the splines and reassemble.  It should solve the problem.

Brandon
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westforkboyd View Drop Down
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Post Options Post Options   Quote westforkboyd Quote  Post ReplyReply Direct Link To This Post Posted: 07 Aug. 2008 at 5:13pm
'48 CJ-2A #184135 Lefty
'49 CJ-2A #219719 Mule
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contact148 View Drop Down
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Post Options Post Options   Quote contact148 Quote  Post ReplyReply Direct Link To This Post Posted: 07 Aug. 2008 at 5:15pm
I used pipe dope  on both mine and NO leaks after 200 miles
 
get the pipe dope rated for gasoline oil natural gas ect  cost like $10.00
 
put it on the yokes NOT the shaft as on the yokes excess will be pushed OUT  on the saft it would be pushed INTO the t-case
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Post Options Post Options   Quote hillbilly21 Quote  Post ReplyReply Direct Link To This Post Posted: 07 Aug. 2008 at 5:19pm
what about the piece of  felt seal...????
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eubanks View Drop Down
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Post Options Post Options   Quote eubanks Quote  Post ReplyReply Direct Link To This Post Posted: 07 Aug. 2008 at 5:46pm
I believe the felt seal is only there to act as a barrier from dust and dirt.  I put an anaerobic sealer on my splines and my leaks have been slowed to almost nothing
1946 CJ-2A #66959
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Post Options Post Options   Quote hillbilly21 Quote  Post ReplyReply Direct Link To This Post Posted: 07 Aug. 2008 at 5:53pm
  I agree about the felt but I assumed that it was there for a purpose and without it there would be a small void with a possible leak..I also agree that without it that the permatex would take up the void .....
1946 CJ2a POW-MIA
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www.eastcoastwillys.org
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Pat T. View Drop Down
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Post Options Post Options   Quote Pat T. Quote  Post ReplyReply Direct Link To This Post Posted: 07 Aug. 2008 at 5:58pm
I just recently put seals on mine and put a sleeve on the yokes and then put the blue RTV on the yoke and on the splines of the yoke and put it together and let it set for a day before I put 90 weight oil back in. So far it hasn't leaked.
Pat
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eubanks View Drop Down
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Post Options Post Options   Quote eubanks Quote  Post ReplyReply Direct Link To This Post Posted: 07 Aug. 2008 at 6:17pm
I didn't let mine set up before adding the oil. May be the reason I still have a slow leak...  I'll have to try it next time I decide to change the oil.  Good advice
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Post Options Post Options   Quote bkreutz Quote  Post ReplyReply Direct Link To This Post Posted: 07 Aug. 2008 at 6:17pm
I used the old favorite Permatex Aviation sealer (#3 to the old timers here)
Gale

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Post Options Post Options   Quote rocketeer Quote  Post ReplyReply Direct Link To This Post Posted: 07 Aug. 2008 at 8:39pm
Originally posted by bkreutz bkreutz wrote:

I used the old favorite Permatex Aviation sealer (#3 to the old timers here)


Old timer here!  That's what I used to seal the splines on my T/C and it did the job. That stuff is a long time favorite.

Larry
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wyowillys46 View Drop Down
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Post Options Post Options   Quote wyowillys46 Quote  Post ReplyReply Direct Link To This Post Posted: 08 Aug. 2008 at 12:24am
Sometimes I think the D18 was designed to leak.
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contact148 View Drop Down
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Post Options Post Options   Quote contact148 Quote  Post ReplyReply Direct Link To This Post Posted: 08 Aug. 2008 at 8:21am
Originally posted by wyowillys46 wyowillys46 wrote:

Sometimes I think the D18 was designed to leak.
 
yup I also think so  everytime i fix one leak on the tranny/transfercase another allways seems to pop up
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Post Options Post Options   Quote sheetzie44 Quote  Post ReplyReply Direct Link To This Post Posted: 08 Aug. 2008 at 9:17pm
I did my input of my tranny and the old the 60's manual I had said to put a lite coat of grease on the felt seal and it hadn't leaked until I replaced my rear main recently, I jacked the rear end up to make it easier, and gear oil leaked out slowly after a couple days but stopped when I put it back down. I might of had a little to much oil in it too.
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