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I have a 2008 Chevy HHR 2.2 manual transmission. My clutch

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pedal continually goes soft. It's...
I have a 2008 Chevy HHR 2.2 manual transmission. My clutch pedal continually goes soft. It's as if it fails intermittently. There is no sign of external leaking at the master cylinder or slave cylinder. I have taken it to a shop and they have replaced the master cylinder 3 or 4 times. It works for about a week and then it fails again. It will work fine for a few days, begin to fail intermittently, and then fail altogether. Does this sound like a slave cylinder? Could it be a pressure or clutch plate?
Submitted: 1 year ago.Category: Transmissions
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Answered in 4 minutes by:
3/10/2016
Transmission Mechanic: Greg, Technician replied 1 year ago
Greg
Greg, Technician
Category: Transmissions
Satisfied Customers: 7,199
Experience: 17 years Shop Owner /Technician. 27 years experience
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When the pedal fails and goes to the floor do you have to refill with fluid or just bleed the system to get it to work again.

Greg

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Customer reply replied 1 year ago
Neither, what I mean by intermittent is that pedal will go almost all the way to floor but still allows for shifting gears, after a little bit of time it corrects itself and returns to normal position. When this begins though, I know it's only a matter of time before it gives out completely. The first time I took it in, they replaced the master cylinder and they had pressure immediately. In subsequent failures they tried several different bleed procedures several different times and they said they did not see any air bubbles or contaminants. It acts like there is air in the hydraulics, but when bled, there was nothing. Then they would replace it again and get pressure again. Sorry, I know that's not a great answer, but absolutely what has been happening.
Transmission Mechanic: Greg, Technician replied 1 year ago

Thank you .

Sounds like master cylinder this is why they have tried another , so rules idea this out .

But i think on your car you have a centric type slave cylinder which can fail internally

check between the engine and transmission bell housing for brake fluid leak could be very slow and only have a small amount dripping from between the engine and trans .

Rgds Greg

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Customer reply replied 1 year ago
Even if you did not see evidence of leaking, would that be your next move? checking the slave?
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