Rear main seal replacement

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Rear main seal replacement

Postby buster » Mon Mar 08, 2004 4:03 pm

My rear seal on the engine has started pouring oil and I'm looking for a little advice on replacement. My I &T manual was stolen last year so I'm working on memory untill I get a new one. I have the tools to do the job, my question is about the parts. I seem to remember something about a old and new style seal and a retainer plate. Are they interchangable or must I tear it down to see what I have? Also is there an aftermarket supplier for these items or are they dealer only? Any advice would be helpful. Thanks
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Postby John *.?-!.* cub owner » Mon Mar 08, 2004 4:33 pm

The earlier seals were a few tousands larger o.d. than the later ones. Unfortunately the only ones available are the later ones. There was just enough difference that if you replaced an older one with the new one, it would spin in the retainer with a little use, and leak. Unfortunatley the newer one is all that is now available. When replacing the older one you can either buy a new retainer for aobut $100 or you can use some loctite, or jbweld, or a similiar sealer to hold it. The seal part number is 364692R91. Most auto parts stores can cross it to the brands they handle.
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Postby Rudi » Mon Mar 08, 2004 6:13 pm

Buster:

I would recommend and I think pretty well most of the board members would agree, that you should visit Binder Books and order these three manuals:

Owner's Manual
TC-37F Parts Manual
GSS-1411 Service Manual

They are basic must haves. Until you have your own to peruse at your leisure, these manuals are already online at the Cub Manuals
The I&T Manual has some good info in it as well, but the GSS-1411 is far more detailed. Also, the I&T Manual is on the site as well.

Sure hope this will help you a bit..
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rear engine seal

Postby Joey » Sun Mar 14, 2004 10:44 pm

Hello everyone. I've only just registered for this board and while scrolling through the topics, noticed someone asking about the new rear engine seals. I was told that one had to buy the new retainer plate to hold the new version of the seal. The new retainer plate at my IH daler was $128 and the seal was $16. I bought a slightly larger OD metal seal and had the machine shop bore the retainer plate to accomodate the seal. Total cost $36 and everything fit good. Just thought I would pass that along. This is a great site for practical information!
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