clutch sticking?

cheshirecat

I would also recommend exploring the idea of upgrading the clutch line and clutch fluid before considering changing out the slave cylinder.

I'm also wondering if changing out the OEM cats could contribute to the deterioration of the stock fluid- does anyone think that test pipes would give off enough heat during hard driving to possibly boil the fluid?

I boiled mine a few weeks ago and it was pretty cool out. Pedal has been soft ever since. I have the hardware and fluid in the garage waiting for the upgrade this weekend.

(also this thread should really be in the tech section)

Pharmacist

i still get an occasional gear grinding/missed shift while downshifting from 3rd to 2nd on the track but it only happens after 15-25 minutes of lapping, and not at the beginning of the session. I also feel the clutch pedal getting a bit softer (not sure if true or just a false perception). The Motul fluid is about 6 months old now with 7 track days on it. I still believe there is a lot of heat going into the clutch lines causing boiling over of the fluid and sticking pedals and gear grinding. Next summer I might consider upgrading the clutch lines or maybe wrapping up more heat insulation around it.

__________________
2009 370z Sport Touring/Nismo shift Knob/Z1 motorsports 34 row oil cooler

akaaronkatz

I have had my clutch stick to the floor after 3 hours of really intense traffic but that is due to over heating. I too have had the same problem you are describing. When i do hard shifts starting from a stop position and i shift quickly i have had the clutch pedal stick to the floor for a quick second. I wouldn't worry about it though.

__________________
If you're not first you're last!