Bhigdog Posted November 9, 2013 Share Posted November 9, 2013 My 39 1/2 ton (JC) is leaking tranny oil into the rear. Looks like I need to replace the oil seal. Anyone have success or helpful hints? Thanks..................Bob Link to comment Share on other sites More sharing options...
JFranklin Posted November 9, 2013 Share Posted November 9, 2013 I thought that was just normal, mine does it too. I just drain the excess out of the rear and add to the transmission on occasion. I have bought the parts to repair but won't tear it down just for that. I'll wait till it needs more work. Will be watching this thread for info and inspiration. Link to comment Share on other sites More sharing options...
Bhigdog Posted November 9, 2013 Author Share Posted November 9, 2013 (edited) I've also been doing the drain/replace dance but I think I'll try to do something about it this winter. As near as I can tell, but not sure, the after market fix is driving the existing seal further down the tube and driving in a re-pro replacement. Not so sure I like that fix. I have a spare rear I played with today. I made a puller and removed the front bushing. I can see the seal further down the tube. I'm thinking i can machine a new bronze front bushing with a lip type seal as part of the assembly. This would fit in front of the existing seal which I wouldn't disturb.I've just started going down this road and thought I'd ask to see if anyone else had any experiance I could draw on. Thanks for the reply..............Bob Edited November 9, 2013 by Bhigdog (see edit history) Link to comment Share on other sites More sharing options...
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