Sticky: (Official) 370Z Clutch Pressure (CSC) Failures

danegrey · 10-08-2018, 05:20 PM

ok, after reading all of this, this is a mod for in the next several months. Have a 2012 with 57000 miles on it, and it has been autocross / tracked this year / driven hard.
so I need to talk to joe@zspeed and get what I need, most likely will go with https://www.zspeedperformance.com/ZS...ZSP-EZ-CMK.htm

Thanks to everyone

TreeSemdyZee · 10-08-2018, 06:31 PM

Quote:

Originally Posted by danegrey

ok, after reading all of this, this is a mod for in the next several months. Have a 2012 with 57000 miles on it, and it has been autocross / tracked this year / driven hard.
so I need to talk to joe@zspeed and get what I need, most likely will go with https://www.zspeedperformance.com/ZS...ZSP-EZ-CMK.htm

Thanks to everyone

If you auotcross a lot, you might like the lightweight flywheel instead of the billet. More reaponsive.
Joe will definitely hook you up though. Very nice guy and knowledgeable.

MrPostman · 10-08-2018, 08:29 PM

I have noticed an issue with my CSC, it works fine with the clutch pedal letting out in the correct spot driving it normal and hard, but if I rev it out of gear to near redline I can feel it engage lower to the floor. Then after I mash it about 20 or 30 times it will correct itself and start engaging in the correct spot again. Anyone else have this issue?

TreeSemdyZee · 10-08-2018, 09:06 PM

Quote:

Originally Posted by MrPostman

I have noticed an issue with my CSC, it works fine with the clutch pedal letting out in the correct spot driving it normal and hard, but if I rev it out of gear to near redline I can feel it engage lower to the floor. Then after I mash it about 20 or 30 times it will correct itself and start engaging in the correct spot again. Anyone else have this issue?

Might need to be bled. You're probably losing pressure in the hydraulics.
Sort of normal. I manage to embarrass my self quite often when sitting at stop lights. I'll hold the clutch in waiting for the light to change, then kill it because the point has dropped a bit. Or it's just weak middle-aged legs.

Joe@ZSpeed · 10-09-2018, 08:44 AM

Quote:

Originally Posted by MrPostman

I have noticed an issue with my CSC, it works fine with the clutch pedal letting out in the correct spot driving it normal and hard, but if I rev it out of gear to near redline I can feel it engage lower to the floor. Then after I mash it about 20 or 30 times it will correct itself and start engaging in the correct spot again. Anyone else have this issue?

This is actually just the stock clutch doing that, It's called "reversing" At high rpm the clutch fingers are trying to stay in the forward position just from the rotational force being applied to them at high rpm. One reason I hate the stock clutch.

MrPostman · 10-09-2018, 12:13 PM

Quote:

Originally Posted by Joe@ZSpeed

This is actually just the stock clutch doing that, It's called "reversing" At high rpm the clutch fingers are trying to stay in the forward position just from the rotational force being applied to them at high rpm. One reason I hate the stock clutch.

Makes sense to me, thanks for the explanation. One of your clutches will be going in the car when the time comes, most likely the "EZ street quiet clutch" and the CMAK v2.

russw007 · 11-03-2018, 05:35 PM

I have a 2015 nismo with 26k on it. I baby this thing and today I'm getting in it and push the clutch to the floor to start it and it snaps to the floor! Won't return on its own. I have to manually move it back to the top. I push it in again and it snaps back to the floor and stays there.

BoneZ · 11-04-2018, 12:58 PM

Quote:

Originally Posted by russw007

I have a 2015 nismo with 26k on it. I baby this thing and today I'm getting in it and push the clutch to the floor to start it and it snaps to the floor! Won't return on its own. I have to manually move it back to the top. I push it in again and it snaps back to the floor and stays there.

You have to expect certain repairs will be needed for such an old high-mileage car.

10-08-2018, 05:20 PM	#1 (permalink)
danegrey A True Z Fanatic Join Date: Oct 2011 Location: Knoxville Age: 73 Posts: 3,194 Drives: 12 370Z BK Cherry M6 Rep Power: 649541	ok, after reading all of this, this is a mod for in the next several months. Have a 2012 with 57000 miles on it, and it has been autocross / tracked this year / driven hard. so I need to talk to joe@zspeed and get what I need, most likely will go with https://www.zspeedperformance.com/ZS...ZSP-EZ-CMK.htm Thanks to everyone __________________ Lots of Changes the Z needs to be driven and driven hard for the car lives for it

10-08-2018, 08:29 PM	#3 (permalink)
MrPostman Base Member Join Date: Jun 2018 Location: Alabama Age: 57 Posts: 41 Drives: 2010 Nissan 370Z M6 Rep Power: 8	I have noticed an issue with my CSC, it works fine with the clutch pedal letting out in the correct spot driving it normal and hard, but if I rev it out of gear to near redline I can feel it engage lower to the floor. Then after I mash it about 20 or 30 times it will correct itself and start engaging in the correct spot again. Anyone else have this issue? __________________ Life is short, don't waste your time driving something boring.....

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11-03-2018, 05:35 PM	#7 (permalink)
russw007 Base Member Join Date: Mar 2014 Location: nh Posts: 50 Drives: Black 2015 Nismo Rep Power: 13	I have a 2015 nismo with 26k on it. I baby this thing and today I'm getting in it and push the clutch to the floor to start it and it snaps to the floor! Won't return on its own. I have to manually move it back to the top. I push it in again and it snaps back to the floor and stays there.