Patricks31ply Posted April 28, 2014 Share Posted April 28, 2014 I just completed rebuilding from the block back on my 31 PA. Pulled the bell housing and installed a new bushing at the clutch fork, NOS pressure plate, clutch plate, throwout bearing, media blasted everything, and painted everything. Along the way I did replace the rear engine seal with a modern neoprene seal. Previously I rebuilt the rear pinion seal and media blasted the drive shaft. Looking below she looks like a new car. Now for the question:I took her out for a test drive and the both the engine seal and rear seal are tight, no leaks. I did find gear oil leaking from the rear of the transmission just before the parking brake housing. I’m aware an oil seal exist at the rear of the transmission but am asking for some info on how to get to it? Does anyone have experience with this seal? Do I need to pull the transmission, parking brake housing, or can the work be done with the floor boards removed and the car on jacks? The books I have on her simply say rear oil seal with no direction for remove and replace. Thank you, Patrick Link to comment Share on other sites More sharing options...
keiser31 Posted April 28, 2014 Share Posted April 28, 2014 (edited) If you are talking about this seal, you will have to remove the assembly from the transmission....I got the seal at my local transmission shop. Your '31 Plymouth part should be the same as my 1931 Dodge Brothers part, I believe. Edited April 28, 2014 by keiser31 (see edit history) Link to comment Share on other sites More sharing options...
Patricks31ply Posted April 28, 2014 Author Share Posted April 28, 2014 Thank you! Yes I believe this is the seal. I plan to put her on jacks tonight and start the tear down. Will give you a update when complete. Link to comment Share on other sites More sharing options...
stakeside Posted April 30, 2014 Share Posted April 30, 2014 I through my 29 truck Muncie trans did not have a seal and hence it required 600 wt gear lube. Working on this old trucks has been process of discovery and that even makes it more fun. Link to comment Share on other sites More sharing options...
keiser31 Posted April 30, 2014 Share Posted April 30, 2014 I had to put the bearing retainer part in the freezer to "shrink" it slightly and then put the bearing in. Link to comment Share on other sites More sharing options...
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