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Clutch is "shaking". Maybe...

noquarternoquarterMember
First let me say I haven't driven a manual gear car for years, and none of them had much power. So maybe I'm too sensitive. But, the Pantera I bought in September had a new red clutch. Worked fine as far as I remember. Now after it's my daily driver in the spring, the clutch seems to shake a 3-5 times when leaving from standstill. I can avoid it by filing the clutch or letting it engage faster, and it's only from standstill, not 1-2, 2-3 etc.?
I've tightened all engine and gearbox mounts though they seem OK, and the bolts between engine and gearbox.
I had a post before about black sooth coming out the square hole at the top, it still does that. It looks like clutch material, looks wet but when rolled between fingers, there's no liquid in it.
Any ideas? Should I just forget it and drive? Roll Eyes
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George PGeorge PAdmin.
Assuming the clutch is new, bolted to the flywheel tightly, all the springs are in place (nothing has come apart) and the flywheel is a one piece design; this would be the result of a warped flywheel or a "variable thickness" issue caused by friction material deposits. The flywheel can be resurfaced. The repair is inexpensive but requires removal of the transaxle.

It may have been like this all along and only now have you noticed it. It won't hurt anything if you can tolerate the "slip & grab" when you take off from a stop.

This is normally the result of abusive use of the clutch, overheating it and either warping it or leaving an un-even layer of clutch friction material on the metal. Very similar to the same problems that occur with disk brake rotors.

However I assumed a lot of things in writing that diagnosis. Those other things can also create problems with similar symptoms.

cowboy from hell
noquarternoquarterMember
Funny thing, the clutch shake is gone Smiler

I'm not sure why, but I have a theory. I seem to have small leak either at the rear of the engine or the front of the transaxle. So there was a small puddle of oily stuff in the bottom of the clutch housing. 6 months ago I took a screwdriver and forced an opening at the bottom of the clutch housing, oil dripped out. Since then there's no puddle of oil for the clutch to dip into. And the clutch now works perfectly. Is my theory right? It's rare things get better by them selves... applause
panteradougpanteradougMember
Oil on the clutch can create chatter. yes.

The lining of the disc is a matterial that is designed to resist absorbing oil but it needs to scrape it off of the pressure plateand the flywheel.

The rear crankshaft seal on the Cleveland isn't particularly suseptable to leakage but it does happen.

If it is leaking you don't want this to go on forever. You need to change the seal. Frowner
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