sticking clutch

sven · Dec 15, 2011

I have a famall h with a clutch that sometimes seems to stick to either the flywheel or the pressure plate. When you push in the clutch, especially after pulling hard, the tractor will continue to move. Usually about three seconds later it disengages all at once as if the friction disk popped away from the flywheel. If I tapp the brakes right after pusing in the clutch it will disengage too. It does not happen all the time but it is very concerning when it does happen. What could be causing this?

rustyfarmall · Dec 15, 2011

(quoted from post at 12:48:33 12/15/11) I have a famall h with a clutch that sometimes seems to stick to either the flywheel or the pressure plate. When you push in the clutch, especially after pulling hard, the tractor will continue to move. Usually about three seconds later it disengages all at once as if the friction disk popped away from the flywheel. If I tapp the brakes right after pusing in the clutch it will disengage too. It does not happen all the time but it is very concerning when it does happen. What could be causing this?

I suspect the pilot bearing needs to be replaced.

rustred · Dec 15, 2011

is the rear seal leaking? i have a wd9 that does the same thing because the clutch is oil soaked.it has a 1 sec. delay in it till it releases.

sven · Dec 15, 2011

It is wet under the rear of the engine, do you think an oil soaked friction disk would cause it to sick fast to the flywheel or pressure plate?

rustyfarmall · Dec 15, 2011

(quoted from post at 14:53:45 12/15/11) It is wet under the rear of the engine, do you think an oil soaked friction disk would cause it to sick fast to the flywheel or pressure plate?

There is an access hole in the housing directly below the flywheel to give access to the grease zerk for greasing that pilot bearing, and if the engine rear oil seal WAS leaking, the oil SHOULD just drip out of that access hole. I suppose if that hole was plugged up, the oil would accumulate and eventually be enough to get on the clutch plate, and yes, that would cause some issues, but there are so many other places where that oil could leak out that it would not be very likely it could ever get on the clutch.

glennster · Dec 15, 2011

if you want to rty and grease the pilot bearing like rusty said, look at your timing marks on the crankshaft by the fan belt. there will be two right together, and one all by itself a ways around the pulley. line the single mark up with the timing pointer, then peek up in the hole below the flywheel. you should see the zerk right there. 2 to 3 pumps max from a grease gun should so it. no more than that.

sven · Dec 15, 2011

The first thing I did when this started happening was grease the clutch assembly. There was a puddle of oil that accumulated over the plate at the bottom. I think it got flung up on the friction disk and causing problems. I am confident everything is working as it should mechanically.

mike1972chev · Dec 15, 2011

ABSOLUTELY!

Even something as SMALL as greasy fingerprints on a clutch disc when installing it can cause it to "stick" and "grab"

Jim Becker · Dec 15, 2011

Worn splines where the clutch disk runs on the shaft can cause similar symptons too (a bit of a long shot though).

David G · Dec 15, 2011

My dad's H had the clutch soaked so bad from a leaking rear main seal that there was a buildup of grease right behind the clutch that preventing it from releasing.

I ended up pulling the torque tube and getting it boiled. I bet there was a 1/2" of grease. It is dry as a bone now.

sticking clutch

sven

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rustyfarmall

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rustred

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sven

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rustyfarmall

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glennster

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sven

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mike1972chev

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Jim Becker

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David G

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