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Oil dumping from inspection hole

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clintmo
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Zip Code: 26033
Tractors Owned: 49 Cub
55 Cub
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Location: Cameron, WV

Oil dumping from inspection hole

Postby clintmo » Sat Apr 20, 2019 12:48 pm

Hey, guys. Haven't posted in a while but I've been checking in regularly. My '55 is leaking a lot of oil from the inspection hole after running it hard for a while. I assume this is the rear main seal, right? It's had a slow leak forever but got a lot worse all at once at the end of mowing season last year.

Thanks!
Clint

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Slim140
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Re: Oil dumping from inspection hole

Postby Slim140 » Sat Apr 20, 2019 12:52 pm

You assumed correct. Tst can fix you up with a remachined retainer.
Every home is a school, what are you teaching?

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Bill Hudson
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Re: Oil dumping from inspection hole

Postby Bill Hudson » Sat Apr 20, 2019 1:10 pm

Clint,

In order to check another possibility, back your Cub up a slight grade and stop it. Quickly get off and observe the inspection hole. If oil flow increases, you have a transmission front seal leak. The torque tube is shaped such that leaking oil forms a pool and by backing up the grade you’re draining the pool. If no noticeable increase, the rear engine seal is the culprit, either way a split is in your near future to replace one or more seals. The Bash is coming up, if you can wait that long.

Bill
Bill

"The probability of life originating from accident is comparable to the probability of the unabridged dictionary resulting from an explosion in a printing shop." Edwin Conklin, biologist

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User avatar
clintmo
5+ Years
5+ Years
Posts: 467
Joined: Thu Apr 17, 2014 9:54 pm
Zip Code: 26033
Tractors Owned: 49 Cub
55 Cub
Circle of Safety: Y
Location: Cameron, WV

Re: Oil dumping from inspection hole

Postby clintmo » Sun Apr 21, 2019 9:31 am

Bill, I kinda ruled that out because the oil is black, not milky brown and smelly like transmission oil. And the engine oil level went down after the leak.

Clint


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