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Weird Clutch Problem...HELP!!!

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Old Mar 23, 2009 | 04:31 PM
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Default Weird Clutch Problem...HELP!!!

Lets say I'm doing 70-75mph...3rd gear...floor it and the clutch pedal starts to slowly fall... wtf? then I have to pump it to get it back to normal...

Things I have tried:

Suck out all fluid from resevior, refill and pump pedal...repeat until fluid is clear.

I would bleed it but it looks like a SOB to do in a C6... bad clutch? Bad Slave? Bad Master....
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Old Mar 24, 2009 | 01:55 AM
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Still under warranty? If so just take it to the dealership
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Old Mar 24, 2009 | 07:03 AM
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out of warranty...
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Old Mar 24, 2009 | 05:16 PM
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nobody huh? Well, ok.. I would install the TICK adj. master.. BUUUUUUT.
NO C6 one yet.. Possible purchase of a new LS7 Clutch... BUUUUUUUT
ALL DAY LONG LABOR....$$$$$$$$$...GIVE ME A FREAKIN BREAK..

I know..I know..corvette tax... Gotta pay to play right?

Just looking for some other remedies before I get off my wallet.
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Old Mar 24, 2009 | 10:41 PM
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My first guess would be that your clutch is slipping and it's building up heat--which overheats your fluid.
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Old Mar 27, 2009 | 10:39 AM
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Mine does the same thing. When I try to shift to 4th at a high rpm the pedal is soft then sticks to the floor and wont go into gear. Even does it from 2nd to 3rd. I've bleed the system over and over, then replaced the master, bleed again.... same problem. Replaced the slave, bleed it again.... still the same problem. Next up is to replace the clutch. We'll see if that works. I've been told it could be the pressure plate?
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Old Mar 27, 2009 | 10:59 AM
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DOT4 has a higher boiling point might help since you said you bled it already. Do those cars need the Drill Mod too?
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Old Mar 30, 2009 | 08:07 AM
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OK.. I think I really FARKED UP!! about 1month ago..I changed the clutch fluid because it was really black.. and then I grabbed what I thought was dot 3 clutch fluid but instead it was power steering fluid!! HOLY ****!!!

after driving I realized something was wrong.. I couldnt believe what I did.. so I bought the GM Dot 3 and flushed and flushed and flushed...

So that being said.. what did I screw up? Will the wrong fluid screw up the master? Clutch? Slave?

I'm an idiot...
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