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

Benique_Z · 03-04-2014, 07:31 PM

Quote:

Originally Posted by z man

Home | National Highway Traffic Safety Administration (NHTSA), file a complaint. There are so many post about this failure but so few people have filed a complaint. Unless people make it known that there is a problem, the problem will continue. IJS

*There is power in numbers*

Filed my complaint!!! hope this gets resolved easy

Jabroni1972 · 03-12-2014, 10:02 AM

Interesting that I am reading this. Yesterday, I had the exact same issue identified on a brand new 2014 Track. Clutch all the way to the floor with no pressure. Finally came back but the 1-2 upshift seems way off now and the clutch has significantly more play in it. Had it for one month and no clutch drops, etc. Just some "spirited" driving. Going to contact my dealer about the bulletin. Great thread forum!

Joelito · 03-12-2014, 10:06 AM

After 3 tows to the dealer for the same issue, this time got a brand new clutch along with a slave master

Sent from my iPhone using Tapatalk

jwick · 03-12-2014, 10:44 AM

Quote:

Originally Posted by Jabroni1972

Interesting that I am reading this. Yesterday, I had the exact same issue identified on a brand new 2014 Track. Clutch all the way to the floor with no pressure. Finally came back but the 1-2 upshift seems way off now and the clutch has significantly more play in it. Had it for one month and no clutch drops, etc. Just some "spirited" driving. Going to contact my dealer about the bulletin. Great thread forum!

Dude I had 1,200 miles on mine when it went out. I highly recommend bringing them a high quality synthetic fluid to replace the crap that came in your car. It's not a fix but it'll definitely perform better. I'm at 43.5k now on the replacement CSC with no issues.

Joelito · 03-12-2014, 10:45 AM

My car started having problems with 6000 miles, then at 9000 and third time at 11000

Sent from my iPhone using Tapatalk

Jabroni1972 · 03-12-2014, 12:48 PM

Quote:

Originally Posted by jwick

Dude I had 1,200 miles on mine when it went out. I highly recommend bringing them a high quality synthetic fluid to replace the crap that came in your car. It's not a fix but it'll definitely perform better. I'm at 43.5k now on the replacement CSC with no issues.

It amazes me that a "known" issue over the entire run of a car hasn't been addressed by the manufacturer. Definitely going to take synthetic with me to the dealer. I know they can do better than this!

Benique_Z · 03-13-2014, 09:50 PM

Mine only got really light.. never got stucked to the floor. Checked the clutch fluid and it was really dark. Replaced it and haven't had issues for the moment. Order a braided steel line and RBF600 brake fluid just to be careful...

Fountainhead · 03-13-2014, 11:21 PM

I know this isn't a "Panacea" for clutch failure but I keep my fluid clean. The moment I notice it getting dirty, out it goes (from reservoir) and in goes new. Pump a few times, check it again, and if still dirty more out then more in. Don't have to change fluid often, maybe once a month (DD) but I feel better keeping the clutch dust out of the system as much as possible. Of course, where it gets in (around the O-Ring on the CSC sleeve) is impossible to prevent.

A funny thing I've noticed is that the black stuff "floats" to the top of the reservoir when I put clean fluid in. It looks like smoke rising from the outlet of the reservoir when the clean fluid is transparent, it's really easy to see.

JARblue · 03-14-2014, 10:11 AM

Just as an FYI, Z1 appears to now offer both a heavy duty replacement CSC as well as a kit that eliminates the CSC entirely

Z1 Motorsports: Clutch Concentric Slave Cylinder Elimination Kit

Rusty · 03-14-2014, 09:43 PM

Now, what about the master cylinder?

Footloose301 · 03-15-2014, 12:48 AM

I'm going on like two 2 years on Motul 600 without issues. I think some of you are jumping on this "slave failure" bandwagon without trying some things.

The first time I did Autocross I had like 20k on the car and after one lap the pedal stuck to the floor and I had to pop it up with my toes and continue. I went the entire day like that, no ***** given. When I got home I flushed the clutch lines and replaced the stock **** with Motul 600 and I've tracked my Z several times and Autocross'd it a ton and I have NEVER had an issue since then. I have 54k on the car now and runs like new. Stock everything in the drivetrain besides fluids.

Joe@ZSpeed · 03-17-2014, 02:25 PM

Quote:

Originally Posted by JARblue

Just as an FYI, ZSpeed appears to now offer both a heavy duty replacement CSC as well as a kit that eliminates the CSC entirely

Z1 Motorsports: Clutch Concentric Slave Cylinder Elimination Kit

We (ZSpeed Performance) do not make that particular CSC delete kit, That is from Z1 Motorsports.

However, We do have an "Adjustable Throw CSC Delete Kit" in the works which will allow the end user to adjust and fine tune the engagement smoothness and release point for any type of clutch. Actually has been in development for going on 2 years now but have not released it yet, We want to test it further before releasing it and make a few minor changes before it is finalized.

Joe@ZSpeed · 03-17-2014, 02:26 PM

Quote:

Originally Posted by Rusty

Now, what about the master cylinder?

Working on this as well

We like to test parts thoroughly before release.

JARblue · 03-17-2014, 03:26 PM

Quote:

Originally Posted by Joe@ZSpeed

We (ZSpeed Performance) do not make that particular CSC delete kit, That is from Z1 Motorsports.

However, We do have an "Adjustable Throw CSC Delete Kit" in the works which will allow the end user to adjust and fine tune the engagement smoothness and release point for any type of clutch. Actually has been in development for going on 2 years now but have not released it yet, We want to test it further before releasing it and make a few minor changes before it is finalized.

Fixed. So sorry about that, Joe. I caught several posts of mine recently getting you guys mixed up. Obviously I didn't catch all of em. My apologies

I look forward seeing the results of your kit as well

ohmikegod · 03-27-2014, 12:30 AM

Mine failed 2 days ago. Took it to the dealers, was covered under warranty. They replaced the master and slave cylinders, flushed my system and use whatever the GTR uses. Everything works great so far.

03-13-2014, 09:50 PM	#382 (permalink)
Benique_Z Base Member Join Date: Dec 2013 Location: Puerto Rico Posts: 25 Drives: 2010 Nissan 370z Rep Power: 11	Mine only got really light.. never got stucked to the floor. Checked the clutch fluid and it was really dark. Replaced it and haven't had issues for the moment. Order a braided steel line and RBF600 brake fluid just to be careful... Footloose301 likes this.

03-13-2014, 11:21 PM	#383 (permalink)
Fountainhead Track Member Join Date: Feb 2013 Location: FL Posts: 834 Drives: 2019 Civic Type R Rep Power: 14	I know this isn't a "Panacea" for clutch failure but I keep my fluid clean. The moment I notice it getting dirty, out it goes (from reservoir) and in goes new. Pump a few times, check it again, and if still dirty more out then more in. Don't have to change fluid often, maybe once a month (DD) but I feel better keeping the clutch dust out of the system as much as possible. Of course, where it gets in (around the O-Ring on the CSC sleeve) is impossible to prevent. A funny thing I've noticed is that the black stuff "floats" to the top of the reservoir when I put clean fluid in. It looks like smoke rising from the outlet of the reservoir when the clean fluid is transparent, it's really easy to see. Benique_Z likes this. Last edited by Fountainhead; 03-13-2014 at 11:23 PM.

03-14-2014, 10:11 AM	#384 (permalink)
JARblue A True Z Fanatic Join Date: Mar 2011 Location: Austin, TX Age: 43 Posts: 36,450 Drives: 11 Z34, 98 E36 M3 Rep Power: 2684440	Just as an FYI, Z1 appears to now offer both a heavy duty replacement CSC as well as a kit that eliminates the CSC entirely Z1 Motorsports: Clutch Concentric Slave Cylinder Elimination Kit Rusty, zefaulter and Benique_Z like this. __________________ 2011 370Z 6MT Sport Gun Metallic \| ARC \| CJM \| Ecutek \| FI \| Fujimura \| R2C \| SPL \| Stillen \| TWM \| Z1 \| ZSpeed \| Last edited by JARblue; 03-17-2014 at 03:24 PM.

03-14-2014, 09:43 PM	#385 (permalink)
Rusty Ronin Samurai - Assassin Join Date: Dec 2011 Location: Fayettenam,Pennsyltucky Age: 68 Posts: 35,173 Drives: 2011 Nismo GM 6M Rep Power: 2684437	Now, what about the master cylinder? __________________ 浪人 - 殺し屋 "The Difficult Anytime, The Impossible By Appointment Only" http://www.the370z.com/members-370z-...o-journal.html

03-15-2014, 12:48 AM	#386 (permalink)
Footloose301 A True Z Fanatic Join Date: Apr 2010 Location: Naples, FL Posts: 2,659 Drives: 40th Rep Power: 21	I'm going on like two 2 years on Motul 600 without issues. I think some of you are jumping on this "slave failure" bandwagon without trying some things. The first time I did Autocross I had like 20k on the car and after one lap the pedal stuck to the floor and I had to pop it up with my toes and continue. I went the entire day like that, no *** given. When I got home I flushed the clutch lines and replaced the stock ** with Motul 600 and I've tracked my Z several times and Autocross'd it a ton and I have NEVER had an issue since then. I have 54k on the car now and runs like new. Stock everything in the drivetrain besides fluids. FL 4Motion and zefaulter like this. __________________ 2010 40th Anniversary 370Z

03-12-2014, 10:02 AM	#377 (permalink)
Jabroni1972 Base Member Join Date: Feb 2014 Location: Lexington, SC Posts: 29 Drives: 2014 370Z MB M6 Rep Power: 11	Interesting that I am reading this. Yesterday, I had the exact same issue identified on a brand new 2014 Track. Clutch all the way to the floor with no pressure. Finally came back but the 1-2 upshift seems way off now and the clutch has significantly more play in it. Had it for one month and no clutch drops, etc. Just some "spirited" driving. Going to contact my dealer about the bulletin. Great thread forum!

03-12-2014, 10:06 AM	#378 (permalink)
Joelito Base Member Join Date: Apr 2012 Location: Queens Posts: 120 Drives: 12 370z 6sp Rep Power: 13	After 3 tows to the dealer for the same issue, this time got a brand new clutch along with a slave master Sent from my iPhone using Tapatalk

03-12-2014, 10:45 AM	#380 (permalink)
Joelito Base Member Join Date: Apr 2012 Location: Queens Posts: 120 Drives: 12 370z 6sp Rep Power: 13	My car started having problems with 6000 miles, then at 9000 and third time at 11000 Sent from my iPhone using Tapatalk

03-27-2014, 12:30 AM	#390 (permalink)
ohmikegod Base Member Join Date: Oct 2011 Location: San Jose Age: 34 Posts: 96 Drives: 2012 PW 370z S/T/N Rep Power: 14	Mine failed 2 days ago. Took it to the dealers, was covered under warranty. They replaced the master and slave cylinders, flushed my system and use whatever the GTR uses. Everything works great so far.

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