Oil dumping from inspection hole

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clintmo
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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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Shane N.
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Re: Oil dumping from inspection hole

Postby Shane N. » Sat Apr 20, 2019 12:52 pm

You assumed correct. Tst can fix you up with a remachined retainer.
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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
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clintmo
5+ Years
5+ Years
Posts: 397
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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