valve stuck

ken house · Dec 19, 2013

traded for a farmall cub, about 50 year model. has not ran in several years. rear most valve in cylinder 2 is stuck open.

anyone had any good luck unsticking a valve without removing head, etc.

the tractor vet · Dec 19, 2013

Some times , and sometimes not . I use a penetrating fluid that most have never used or heard of and i have found nothing to match it . If a little Zep and a little tapping does not get it to move then it is time to pull the head .

gene bender · Dec 19, 2013

That engine uyou can remove the side pannel and then see the stem. See if you cant get the valve to move shouldnt realy be stuck that hard using anything spraying on it before trying to move it.

rustred · Dec 19, 2013

sure is a heck of a lot easier than getting a stuck piston to move. lots of times you can go in from the spark plug hole and use a screwdriver or make something to push on the head of valve. and spray lube from the inside also. I have unstuck valves without even taking the valve cover off.

old · Dec 19, 2013

Well if you can get it so the cylinder can be filled with ATF and let sit a few days that works well on many but you have to cap off the exhaust or intake so that you can keep the ATF on the whole thing. Then if you can through the spark plug hole tap it down when you are sure it should be closing. I have had good luck doing that. But also had one that doing that did not help at all

Duner Wi · Dec 20, 2013

I have had good luck with stuck valves in flat heads. I made a "L" shaped tool to get to valve and lots of light tapping and I prefer Marvel Mystery oil but you could save $50.00 and use ATF with probably the same results. After you get it free I would use the same lube in the gas for awhile.

old · Dec 20, 2013

You just like the smell of the MMO. LOL ATF or MMO both pretty much do the same thing but one smells a bit better and cost twice as much LOL

ken house · Dec 20, 2013

got it moving. thanks

danmcdonald · Dec 20, 2013

I use and like Zep also. My brother gets it from an industrial warehouse supply place.Where do you get yours from?

the tractor vet · Dec 20, 2013

I buy direct now as the place i use to get it the owner died and i never knew where he got it form as it was top secret as he would never tell ya . Then a buddy found someone and for a while we would get it off of him , then he kicked the bucket and i just called Zep and got and account . Now we order in a case at a time . I have two cans in the truck and just about anyplace you look out at the farm there will be a can .Finding a can of Zep is easy finding the Grease guns is hard , need more grease guns.

Duner Wi · Dec 20, 2013

I know but I can't help myself. I can't remember who told me MMO and ATF are sam ting. Happy Holidays to you .

valve stuck

ken house

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the tractor vet

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gene bender

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rustred

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old

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Duner Wi

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old

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ken house

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danmcdonald

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the tractor vet

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Duner Wi

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