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Clutch problem

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Old Mar 2, 2008 | 11:01 PM
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EvoVIII808's Avatar
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Clutch problem

Found a small pin hole in the rubber of my slave cyl. i replaced it, pushed the clutch in and found it had alittle pressure, but not enough to fully engage and come back up. Gave it 2 more presses, with same result. Looking under the hood and the rubber boot was swolen full of pressure from the fluid.
Also seems like the piece that it pushes against, is already fully extended. wont push out anymore, but can be pulled in ( towards driver side )
NEED HELP QUICK! What is this problem, how can i fix??



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Old Mar 2, 2008 | 11:30 PM
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bleed your clutch...
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Old Mar 2, 2008 | 11:43 PM
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Did that 3 times, every time it would do the same thing. gone through a whole can of fluid now.
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Old Mar 3, 2008 | 04:19 PM
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Any ideas? which way is that lever supposed to move? if i recall correctly, it a push out. it looks to be already pushed out, is there any way to correct this. or is this something internal?
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Old Mar 6, 2008 | 12:44 PM
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Check to make sure that fluid is not leaking past the piston into the boot, which would cause a lack of pressure. Also, many slave cylinder boots are made with small pin sized holes so that the pressure in the boot will equalize when the piston returns to rest or the boot can pop off. Not sure with the Evo though. Did you have someone help bleed with you or did you use a speedbleeder? Many times having someone help pump the pedal several times before cracking the bleeder can bleed air out much more reliably than using speedbleeders or tube and bottle method.
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Old Mar 7, 2008 | 05:27 AM
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not really sure what was wrong with it. I think it was like you said, the fluid was getting into the boot, and making it swell. Not letting it build enough pressure. So i just bought a new one.
Thanks again for your inputs.
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Old Mar 7, 2008 | 06:51 AM
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That boot is just a dust cover there should be no fluid inside it. As to the adjustment it looks like you may need a longer rod, what kind of clutch is in the car?

http://www.lancershop.com/customer/p...cat=113&page=1
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Old Mar 9, 2008 | 06:51 PM
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If fluid is in that boot it means the seal on the piston is toast. As cfdfireman said, there should be no fluid in there. You'll always be able to push the piston back in the cylinder by hand, but obviously not the other way because of the clutch pressure.

If there is fluid in the boot, get a new slave cyl and bleed the s**t out of it with a friend helping. Good luck.

~Tom
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Old Mar 9, 2008 | 06:54 PM
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if there is fluid in the dust shield you have a whole different problem, good luck!
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