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Oil leak at clutch plate / oil pan

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rick a

11-21-2002 18:17:55

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I just noticed a leak of oil that is dripping down from the cotter pin that is in the hole right near the clutch/oil pan housing. Never had this before but was really working the engine hard while brush hogging about 10 acres of 3ft grass. Someone told me that i had oil leaking in near the clutch plate and that the hole / cotter pin on the bottom of the housing acts to relieve the clutch plate from soaking with motor oil?

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Dave OH

11-23-2002 22:17:16

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Re: oil leak at clutch plate / oil pan in reply to rick a, 11-21-2002 18:17:55

Nothing is "Supposed" to come out of that hole.
It will let you know when you have a problem. An oil soaked clutch is NOT a good thing.
Dave OH

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Lee

11-22-2002 09:15:07

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Re: oil leak at clutch plate / oil pan in reply to rick a, 11-21-2002 18:17:55

It's supposed to do that(not really). Unless it's a real bad leak I'd just check both dipsticks before I use it. Unless you're going to show it why worry. My 52 8N did that for 18 years and leaked out the front main for as long. Worked it hard for that long before the compression finally got so bad it don't want to run. Your call, but that's my 2 cents worth. Best of luck with what ever you decide.

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mark

11-22-2002 04:59:35

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Re: oil leak at clutch plate / oil pan in reply to rick a, 11-21-2002 18:17:55

I have the same situation, but I only noticed the leak when I put it in the barn for the winter. I usually leave it outdoors. My 8N seems to leak oil, not tranny when it sits. I am planning a total clutch replacement this winter or early spring. I'm wondering if the leak caused my clutch problem. Will it be obvious if my seal is bad when I split the tractor? How difficult is it to replace the front seal? If I need to do this, I obviously want to do it while the tractor is already split. Any suggestions would help.

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MikeC

11-22-2002 05:42:31

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Re: Re: oil leak at clutch plate / oil pan in reply to mark, 11-22-2002 04:59:35

Mark,
If the issue is the rear engine seal, then the pan needs to come off and the crankshaft maneuvered out of the way to do both halves of the seal.

If the issue is the transmission input shaft then the throwout bearing and shaft need to be removed and a new seal put into the shaft.

Personally I would replace the input shaft seal while I was in there anyway. When I rebuilt my engine last year I did not replace the input shaft seal while I had the engine out (I got lazy). Once I started really using it this summer it developed an input shaft leak and I ended up splitting it again this fall to do the shaft. The upside to it is that I'm getting really good at splitting the tractor!

I quick way to tell which it is-catch a little in a coffee can while it is leaking. Smell it and compare it to the smell of the dipsticks for the hydraulics and the engine. The fluids have a slight odor difference.

Of course, if you frequently have to add hydraulic fluid and never have to add engine oil then that would point at the transmission seal too.

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dave#1

11-22-2002 04:11:05

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Re: oil leak at clutch plate / oil pan in reply to rick a, 11-21-2002 18:17:55

I'm guessing you have an oil leak not because the oil got hot and exspanded but becuase the oil just got "Hot"

Oil (Motor or hydraulic) becomes very thin when hot and is more likely to leak out a bad seal.

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Dell (WA)

11-21-2002 23:40:36

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Re: oil leak at clutch plate / oil pan in reply to rick a, 11-21-2002 18:17:55

Rick..... ...what bg said..... ...but..... .
If your tranny oil is very full, the heat of all that 10 acres of brushoggin' work can expand the tranny oil and cause it to leak out the tranny front seal and out the dangling cotter keyhole. Its a whole lot eazier to replace the tranny front seal ($3) and cheaper too. I'd at least check the tranny dipstick level.

And don't worry about the "with cylinders extended" on the dipstick. Your 3-point hydraulic cylinder is only about 1-cup and the whole hydraulic/tranny reservoir holds 5 gals of Ford/New Holland recommend spec: M2C-134D hydro/tranny oil. ..... ....Dell

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11-22-2002 04:45:34

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Re: Re: oil leak at clutch plate / oil pan in reply to Dell (WA), 11-21-2002 23:40:36

The guy who bought our farm bought an old MF 35. He had the engine "overhauled" and couldn't stop the rear seal from leaking. I finally asked him if he had the crank mic'ed and he said he hadn't, just put in new bearings and seals. The crank was egg-shaped enough to beat the rear seal out and cause a leak.

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11-21-2002 20:28:03

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Re: oil leak at clutch plate / oil pan in reply to rick a, 11-21-2002 18:17:55

Yep, the cotter pin bounces around and keeps the oil drained out. Now all you have to figure out is if you have a leaking rear engine seal, or a leaking transmission seal. I'd vote for the engine seal.

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