clutch sticking after aggressive driving

Push370zzz · 09-12-2010, 03:40 PM

Quote:

Originally Posted by Pharmacist

It has been mentioned a few times before but i dont think anyone diagnosed the cause of the problem. it's basically when the clutch pedal goes soft and sticks to the bottom and you have to actually lift the pedal upwards with your foot. this problem seems to occur after aggressive driving like repeated drag racing or driving on the track probably due to heat build up in the clutch. last sunday i was on the track and even though you only upshift and downshift once in the entire lap, i did get the sticking clutch after a prolonged session of driving. i had to lift it up with my foot. i pulled into the pits and the problem went away, but i left the track right after that.

so, has there been any progress in identifying this problem or a remedy? is it the slave cylinder? or the pressure plate?

I had the exact problem on the track 10 days ago. It was towards the end of the day, on a track where you shift maybe 5 times per lap. I was going to overtake somebody and clutch in to goto 4th gear and bam...stuck to the ground. Long story short I let it cool down for 25 minutes and it was okay. Now it is important to note it was getting progressively "slushier" as the day went by, and this happened when I ran two consecutive 20 minute sessions.

I'm probably going to bleed the fluid with a Dot4 before my next session next weekend.

Side note: I used to have a 2006 Infiniti G35 manual coupe. Maybe once a month or so the same thing would happen to me on the street, mainly if I was going around 15mph coming up to a light to take a RH turn. I would be rolling up 15mph, have clearance, put it in 2nd and give it gas as I let out the clutch quickly and it would get sucked to the floor. Happened to me maybe 5 times over the year I had it.

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