Manual Transmission T56 | T5 | MN12 | Clutches | Hydraulics | Shifters

having to pump my clutch up after getting on it

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Old 04-27-2010, 10:47 AM
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Default having to pump my clutch up after getting on it

So is the ls7 clutch done? After 45k of the hardest miles u can put on a car. It dosnt seem to slip when your on it at all but when im done the pedal is soft and half gone and you have to pump it back up. But then its fine and drives normal. Its been doing this for a few months now lol
Old 04-27-2010, 12:24 PM
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Very common problem. My last car I could never land 3rd or 4th after WOT. This car is an 01 which has better hydraulics. I have no problems, even with 95k miles on everything and what seems to be a stock clutch.

https://ls1tech.com/forums/manual-tr...-write-up.html
Old 04-27-2010, 12:39 PM
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Yeah i saw that link but those wont shift mine will. I got all new 2002 GM slave and master and did drill mod all at the same time as the clutch like 3+ years ago. I have no problems getting to to shift it speed shifts fine. Its just when im done the pedal is is mostly gone and really soft and i pump it back up and its fine few sec later
Old 04-27-2010, 01:32 PM
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When the car can't go into gear at high-speed shifts, its because the fluid is so hot. This is why the clutch sticks. I can get all mine into gear, but after a good WOT run my pedal does stick. If the symptons were any worse, then you wouldnt be able to get it into gear.
Old 04-27-2010, 01:36 PM
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Just sucked fluid out of the master and cleaned and it was black added fresh fluid then pumped up and black again so i kept doing it till it was all clear and pedal with it not running is stiffer already. Just need to drive it now. fluid was in it for 45k super hard high revving speed shifting miles lol.
Old 04-27-2010, 01:43 PM
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Changing the fluid when it's black helped me a ton too!
Old 04-27-2010, 02:22 PM
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drove it around normal and i thought it was easy to shift then. 100% better now. Got on it hard in 1st and 2nd and all good just like b4, but the true test is 1st,2nd,3rd and 4th on the interstate and then ill let ya know if it fixed the problem lol
Old 04-27-2010, 03:28 PM
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If you didn't bleed it, i'd try flushing it a couple more times after some drives too.
Old 04-27-2010, 03:42 PM
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yeah ive done it like 5 times and im going to do it a few more times this week
Old 04-29-2010, 09:41 AM
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its fixed
Old 04-29-2010, 11:08 AM
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Yep, it's crazy how nasty the fluid gets so quick
Old 04-29-2010, 11:26 AM
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well that was 45k super hard miles LMAO



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