So the clutch pedal is sticking during the pull. Need more info. Does it come up briefly then goes back down, or does it just stay down the whole time?
Is this the only time it does it, regular driving works fine?
Strict pulling truck. At the start of the track and all the other time you drive it around the pits/ shop the clutch is normal.
After you make a pass pulling the clutch pedal goes to the floor when you try clutching it at the end and it just stays there like you have no fluid in the system for the fluid to push it back up. After you pull the pedal back to the top and pump it a couple times the pedal goes back to normal.
Almost like it's boiling the fluid or something.
I've flushed the fluid to new dot5 by pulling the line loose at the slave and having someone pour in the master while I have a mighty vac pulling fluid from the line. Ran about a quart through it to get clean fluid.
When I put the clutch in it got a new slave cyl that looked like a stock gm. It came with the clutch kit. That's the only thing we have not changed trying to remedy the problem.
It got a known good master cyl put on it when we put the clutch in it.
I know southbend had a problem a few years ago with their slave and now they are back to selling gm stockers with their kit.
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