Upgraded Clutch Slave Cylinder Fails Again!

2011 Nismo#91 · 09-08-2015, 08:58 AM

Wasn't there some issue with the HD CSC and some brand of aftermarket clutch? Anyway boiling would temporally make the clutch stick, after it cooled down it should work normal again. And if he hasn't replaced the stock cats then the heat shield on them should prevent any overheating of clutch fluid.

pbs370z · 09-08-2015, 10:59 AM

Quote:

Originally Posted by 2011 Nismo#91

Wasn't there some issue with the HD CSC and some brand of aftermarket clutch? Anyway boiling would temporally make the clutch stick, after it cooled down it should work normal again. And if he hasn't replaced the stock cats then the heat shield on them should prevent any overheating of clutch fluid.

Eng. is stock with stock Cats.

Ya, I am scratchin' my head on this one.

ban25 · 09-08-2015, 11:13 AM

Quote:

Originally Posted by 2011 Nismo#91

Wasn't there some issue with the HD CSC and some brand of aftermarket clutch? Anyway boiling would temporally make the clutch stick, after it cooled down it should work normal again. And if he hasn't replaced the stock cats then the heat shield on them should prevent any overheating of clutch fluid.

I've boiled my clutch fluid on the track with stock cats dozens of times. The catalyst temperature reading from my data logger frequently reads over 1100 degrees! It's essential to have a fluid with a high wet boiling point, like Motul RBF 600 or Castrol SRF.

jwick · 09-09-2015, 09:37 PM

Quote:

Originally Posted by 2011 Nismo#91

Wasn't there some issue with the HD CSC and some brand of aftermarket clutch? Anyway boiling would temporally make the clutch stick, after it cooled down it should work normal again. And if he hasn't replaced the stock cats then the heat shield on them should prevent any overheating of clutch fluid.

Yes. A Spec. Something like 85-90% of ZSpeeds CSC failures have been when installed with a Spec clutch. Asninjnderstand it Joe no longer warranties the CSC is the clutch is a Spec.

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09-08-2015, 08:58 AM	#1 (permalink)
2011 Nismo#91 A True Z Fanatic Join Date: Mar 2011 Location: NJ Posts: 2,412 Drives: slowly Rep Power: 40571	Wasn't there some issue with the HD CSC and some brand of aftermarket clutch? Anyway boiling would temporally make the clutch stick, after it cooled down it should work normal again. And if he hasn't replaced the stock cats then the heat shield on them should prevent any overheating of clutch fluid.