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After running 2 flawless days at VIR blowing by almost every Porsche on the track, right in the middle of a great session my clutch pedal goes to the floor and stays there. I manage to get back to the pits and let the car cool for a while as I guzzle a bottle of water. Go back to the car and still no clutch. So I manually pull the pedal back up then work it back and forth a few times and the clutch appears to be working again. I pump it about 50 more times and it feels OK. I then drive the car out of the track to and motor around about 30 minutes and all seems fine.
I go out the first run session this morning and the clutch screws up again on the 3rd lap. I'm able to pull the pedal back up with my foot and at least get enough clutch action to shift but it does not lend itself to fast lap times so I gave up on the session and the rest of the day on the track. The clutch seems OK in "normal" street driving and I made the 180 mile trip home from the track with no problems. It just screws up on track. Note my local shop installed a JHR clutch line last week and bled the the system using a vacuum pump on the master cylinder. Any chance they somehow messed up the install and caused this problem? Any suggestions on how to attack this annoying problem? Thanks!
I go out the first run session this morning and the clutch screws up again on the 3rd lap. I'm able to pull the pedal back up with my foot and at least get enough clutch action to shift but it does not lend itself to fast lap times so I gave up on the session and the rest of the day on the track. The clutch seems OK in "normal" street driving and I made the 180 mile trip home from the track with no problems. It just screws up on track. Note my local shop installed a JHR clutch line last week and bled the the system using a vacuum pump on the master cylinder. Any chance they somehow messed up the install and caused this problem? Any suggestions on how to attack this annoying problem? Thanks!