Wierd Clutch - S2000 Forums


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Old 04-15-2018, 04:16 PM   #1  
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Wierd Clutch

Ok never seen a problem like this in a hydraulic clutch. When the clutch is cold it works great. plesent pedal feel, nice engaugement point ... But ! When it warms up pedal force goes up, engaugement point varies, pedal travel is reduced, can depress it all the way but sometimes has a thump at the bottom. Still shifts and drives but very irritating.
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Old 04-15-2018, 04:26 PM   #2  
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Oh yea. New pilot bearing, clutch disk, pressure plate, throwout bearing, flywheel, slave cylinder, hose and master cylinder. all stock.
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Old 04-15-2018, 06:57 PM   #3  
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Did you install all the new stuff? This sounds like something with the slave or master cylinder, but that's hard to diagnose from the internet.
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Old 04-15-2018, 08:47 PM   #4  
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yes I installed everything. Im not new at this and it's not even my first S2K clutch. I don't think its a bleading problem because these thing almost blead theselves. Any body thinking quadrent issues ?
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Old 04-16-2018, 05:01 AM   #5  
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I'd bleed it just to rule that out.
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Old 04-17-2018, 09:26 AM   #6  
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If I bleed it any more it will need a transfusion but ok its only brake fluid.
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Old 04-17-2018, 07:12 PM   #7  
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I have the EXACT same issue.
Last year end of season it started getting real bad.
As of now this is what I've replaced (all new parts):
Clutch/pressure plate/throw out bearing (cleaned up trans input shafts and collar that the throw out bearing rides on thoroughly and greased)
Light flywheel
Clutch master and slave cylinder
Flex line with SS braided.
Due to weather I was only able to get it to work do an alignment and drive it back home BUT by the time I was home I could feel it starting to stiffen up again

To add more info if I remove and reinstall slave cylinder it goes back to normal for a bit then right back to feeling like garbage.
Only thing left to replace is the throw out fork and the transmission

Last edited by Toyonda002; 04-17-2018 at 07:18 PM. Reason: Adding more info
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Old 04-18-2018, 06:11 PM   #8  
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I keep thinking slave cylinder with this issue.....are the bolts aligned properly?

Another idea....did you grease the spindle that the throwout bearing glides across?
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Old 04-18-2018, 06:48 PM   #9  
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Quote:
Originally Posted by Jim21680 View Post
I keep thinking slave cylinder with this issue.....are the bolts aligned properly?

Another idea....did you grease the spindle that the throwout bearing glides across?
Yes and yes if you're asking me lol
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Old 04-22-2018, 12:44 AM   #10  
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Yes and yes. Molydisulfide on the nose. Also put a 0.050 shim behind the flywheel to center up the fork. To me its not a deal breaker its just irritating.
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Old 04-22-2018, 12:48 AM   #11  
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Cleaned and greased the Thrans nose. I did that too.
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Old 04-22-2018, 12:54 AM   #12  
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Stiff pedel and short throw kind of say to big a master cylinder. Do I have the right size ? 7/8
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Old 04-22-2018, 01:00 AM   #13  
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Plus as Toyonda says it starts good but goes downhill.
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