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Harry Ferguson Tractors Discussion Forum
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Help! Oil pan leak to-20

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Manfred twd

02-04-2007 12:23:30




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Has anyone else had this problem? I am trying to change the oil filter, can't get the cover to seal where you remove the filter. There is a threaded post in the center that pulls the cover up against the gasket. I think the post is slightly bent on mine, not pulling up evenly all around. Do I dare try and hit it with a hammer and bend it a little? I've been 3 days dealing with this leak.




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Paul in Ms

02-04-2007 13:30:47




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 Re: Help! Oil pan leak to-20 in reply to Manfred twd, 02-04-2007 12:23:30  
The to-20 oil pan were prone to getting bent by driving over whatever. I was able to get mine to quit leaking most of the time. A new gasket is a must. I ran over a stump while bush-hogging last year and finally had to buy a new pan and plate. Has worked great ever since.



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Jeff-oh

02-04-2007 12:51:22




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 Re: Help! Oil pan leak to-20 in reply to Manfred twd, 02-04-2007 12:23:30  
A few clairifying questions.

a) is it leaking from around the "threaded post" or the outer rim of the ~6" dia cover.

b) Did you replace the seal that goes between the cover plate and the pan? I used 1/8" thick cork and cut to fit.

C) Some people have used an oil resistant silicone to run a bead of sealent around the perimeter of the cover plate.

I have no recommendation obout hitting it with a hammer.

Jeff

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Manfred twd

02-04-2007 13:37:25




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 Re: Help! Oil pan leak to-20 in reply to Jeff-oh, 02-04-2007 12:51:22  
Thank you for the reply, it leaks around the outer perimeter. I have since taken out the wire basket that the filter fits into and it will seal, seems that the basket is sticking down just a little farther than the pan. I did buy a new gasket, is a small leak, think I could dry it off well, and clean it then apply silicone after I bolt it down? Could I possibly leave out the basket? The oil was very clean, dark but no sludge.

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gshadel

02-05-2007 10:30:28




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 Re: Help! Oil pan leak to-20 in reply to Manfred twd, 02-04-2007 13:37:25  
You probably need to drop the oil pan to really check the drop tube to see if it is bent. My recollection is the drop tube is fitted to the center main bearing cap, so you may need to drop the center main cap (2 bolts, pretty easy)if you decide to work-on the drop tube. Check you pan to make sure it is flat & square also. Like the other guys say, a stump or rock can knock that whole thing out of wack so it won't seal.

The wire strainer basket is indeed longer than the steel filter cover that should be inside your pan, and longer than the filter. The wire strainer pushes-up on the cover, and on a spring that is above the cover, to provide clearance for oil to pass under the filter cover. The filtered oil is only ~30% of the total oil being pumped, only the oil return from the center main is filtered. So the draw tube for the oil pump is pulling oil from the pan, thru the wire strainer. That strainer is basically your protection for your pump from sucking-in metal/debris that could sieze or damage your pump. I recommend using the strainer at a minimum, the filter.. don't know that it does that much good really.

I think Jeff is probably right that your cover or wire strainer is probably catching on a burr or cocked & keeping it from pushing- up all the way.

I use a thin bead of silicone on coverplate side of the gasket when I assemble. It is a bit tough to keep everything lined-up while pushing-up on the strainer, filter, & cover plate & getting it threaded. The silicone keeps the gasket glued in place on the cover plate so that is one less thing to line-up. You may have better luck with a make-it-yourself gasket, thicker the better. The ones I get from the dealer are pretty think rubber, maybe 1/4", which may help compensate for some uneveness around the cover plate.

George

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Jeff-oh

02-05-2007 05:26:39




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 Re: Help! Oil pan leak to-20 in reply to Manfred twd, 02-04-2007 13:37:25  
There is some question wether you could leave out the whole filter. Some people, a lot more knowledgable than I, have said this filtering system is not all that great to begin with. i.e only half the oil goes through the filter or something like that. It probally wont hurt to leave the basket out until the next oil change.

BTW the the basket probally was not pushed up all the way if it was interfeering. If it sticks out a little try to push it up so it sits higher.

Jeff

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