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Rear Engine Seal replacement

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Pickerincal
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Tractors Owned: 1947 Cub
1967 Cub Cadet
1972 Loadstar 1600
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Rear Engine Seal replacement

Postby Pickerincal » Fri Jul 12, 2019 12:58 pm

Hi Guys, :D
So I replaced the rear seal a while back and I'm working on the rest of the engine, the tractor is apart. When I put the seal in It didn't have to be pressed in, at most i tapped it in with a rubber mallet with some permatex around it.
Since then I have read about them leaking and keep thinking about it, I don't want to get this together and have it leak.

Thoughts? :coffee:

I'm thinking pull it off and send it out to be machined and a seal "pressed" in, I know someone here does that but I cannot find the link or thread.

Thanks, :D

Brian :beer:
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Slim140
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Re: Rear Engine Seal replacement

Postby Slim140 » Fri Jul 12, 2019 1:10 pm

Send it off now or regret it later. tst will hook you up
viewtopic.php?f=223&t=104763
Every home is a school, what are you teaching?

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Pickerincal
10+ Years
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Posts: 153
Joined: Sat Jun 23, 2012 11:42 pm
Zip Code: 93455
Tractors Owned: 1947 Cub
1967 Cub Cadet
1972 Loadstar 1600
Circle of Safety: Y

Re: Rear Engine Seal replacement

Postby Pickerincal » Fri Jul 12, 2019 1:45 pm

Ahh... Thank you. That's the one I was looking for. :D :D :D

Brian :beer:
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BigBill
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Re: Rear Engine Seal replacement

Postby BigBill » Fri Jul 12, 2019 6:44 pm

What’s wrong with the orginal seal as a replacement?
I'm technically misunderstood at times i guess its been this way my whole life so why should it change now.
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ricky racer
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Re: Rear Engine Seal replacement

Postby ricky racer » Fri Jul 12, 2019 7:11 pm

You can't get a new seal with the correct OD anymore.
1929 Farmall Regular
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Bob McCarty
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Re: Rear Engine Seal replacement

Postby Bob McCarty » Fri Jul 12, 2019 8:01 pm

ricky racer wrote:You can't get a new seal with the correct OD anymore.

...unless you buy a new retainer for several hundred $$.
"We don't need to think more,
we need to think differently."
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Pickerincal
10+ Years
10+ Years
Posts: 153
Joined: Sat Jun 23, 2012 11:42 pm
Zip Code: 93455
Tractors Owned: 1947 Cub
1967 Cub Cadet
1972 Loadstar 1600
Circle of Safety: Y

Re: Rear Engine Seal replacement

Postby Pickerincal » Fri Jul 12, 2019 11:18 pm

BigBill wrote:What’s wrong with the orginal seal as a replacement?


So the seal that came with the "engine gasket kit" did not have to be pressed in like it should be. It was snug and I added permatex.. But the thought of having to split the tractor after a total rebuild got to me. I'd rather have it done right :D

So it is now on it's way to NY

Brian :beer:
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BigBill
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Re: Rear Engine Seal replacement

Postby BigBill » Fri Jul 12, 2019 11:40 pm

IH doesn’t sell the correct sized seal?
I'm technically misunderstood at times i guess its been this way my whole life so why should it change now.
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Slim140
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1970 International 140
1972 International 140
1949 John Deere A
1993 Ford 4630 W/Loader
1965 John Deere 110
1961 Cub Cadet Original
Circle of Safety: Y

Re: Rear Engine Seal replacement

Postby Slim140 » Sat Jul 13, 2019 6:29 am

BigBill wrote:IH doesn’t sell the correct sized seal?

Yes and no. Yes they sell the “correct” seal, no it doesn’t fit. The rear seal retainer is a cast aluminum piece and it swells over time from the heat of the engine and eventually the seal doesn’t stay tight and starts leaking. A new replacement seal will not fix this. The retainer has to be machined a little bigger for a bigger seal so it will be a press fit.

The only other option is what Bob suggest, buy a new retainer for a stock size seal but the retainer is expensive. It’s cheaper to have tst machine it and provide the seal.

Lots of people try to put a sealer of some sort on the loose seal and eventually wind up splitting the tractor again to have it machined.
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