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

eastwest2300 · 04-30-2015, 01:22 PM

Quote:

Originally Posted by R3drckt09

So my CSC just went out when I pulled in to work, pedal sank to the floor and didn't come back. I'm totally comfortable replacing the CSC and probably a new clutch in my driveway, but is there any quick fix so I can get it home without paying for a tow? It's about 15 miles from my house

dude, thats fricken crazy. Im sorry bro.

MagmaRed370z · 04-30-2015, 01:27 PM

At how many miles do CSCs tend to fail?

johnwiki · 04-30-2015, 03:13 PM

Sorry to hear that. Mine failed at about 60,000. And I would be careful driving it. When mine went out I couldnt really get it into gear. After it sat all day I got a little pressure back and was able to drive it to the dealership (roughly 10 is miles away).

johnwiki · 05-06-2015, 08:01 PM

Not sure if this is the right thread for this, but my clutch failed out on me again. This time they said they called the nissan tech line and they are replacing the line that goes between the slave and master cylinders (clutchline) then theyre going to bleed and see what happens. Anyone else have a similar story?

JARblue · 05-07-2015, 07:47 AM

Quote:

Originally Posted by johnwiki

Not sure if this is the right thread for this, but my clutch failed out on me again. This time they said they called the nissan tech line and they are replacing the line that goes between the slave and master cylinders (clutchline) then theyre going to bleed and see what happens. Anyone else have a similar story?

Sounds like typical dealer

Was the CMC replaced the last time they did the CSC? If not, that likely your culprit. If so, one or the other may have failed again. It wouldn't be the first time.

jwick · 05-07-2015, 07:59 AM

Quote:

Originally Posted by JARblue

Sounds like typical dealer

Was the CMC replaced the last time they did the CSC? If not, that likely your culprit. If so, one or the other may have failed again. It wouldn't be the first time.

Yup. Apparently our CMC are a one use item. Drop the tranny and have to drain the system and it's basically trash.

darkphantom · 05-08-2015, 04:41 PM

Would the dealer install the the aftermarket part if you brought it to them?

JARblue · 05-08-2015, 05:02 PM

Quote:

Originally Posted by darkphantom

Would the dealer install the the aftermarket part if you brought it to them?

Some dealers have, yes. They are in the minority. I doubt any of the ones in Austin will. But there might be different staff/ownership since I was last inquiring about things like that. You will need to call and ask.

If you're not having warranty stuff done, I recommend not using a Nissan dealer for the work. I've heard H&R is good for body stuff. I like Austin Z Clinic for mechanical stuff.

jwick · 05-08-2015, 05:34 PM

Quote:

Originally Posted by darkphantom

Would the dealer install the the aftermarket part if you brought it to them?

Highly unlikely if they are doing warranty work with they install a non OEM replacement. When the dealer replaced my CSC I had to jump thru hopes to get them to use the synthetic fluid I brought them over Nissan fluid.

johnwiki · 05-08-2015, 05:59 PM

This is in Cali. And this dealer might do it, the first time they had to do the csc they asked me if i had any clutch or anything I wanted to put in since they were gonna have the tranny down.

radensb · 05-18-2015, 01:45 PM

Quote:

Originally Posted by jwick

Highly unlikely if they are doing warranty work with they install a non OEM replacement. When the dealer replaced my CSC I had to jump thru hopes to get them to use the synthetic fluid I brought them over Nissan fluid.

My dealer did this for me without any issues. They know the OEM part is crap. I bought the zSpeed unit. Even their techs commented about the quality of the part and wanted me to keep them informed about how I liked it. They said that when the test drove my car after the repair they were surprised at how well the clutch felt.

Nissan tech via my service adviser - "He has never felt the clutch on these cars feel so solid". I think that says it all. Cant hurt to ask them.

GeauxTigers1 · 05-09-2015, 01:46 AM

Has nissan upgraded this in any way with the newer models or is this still an issue even on the '15s? Asked my shop and he said the newer models shouldn't have this problem, but I'm a bit wary of it. Figure they fixed the oil temp issue, why not this, but I could be wrong.

jwick · 05-09-2015, 01:49 AM

Quote:

Originally Posted by GeauxTigers1

Has nissan upgraded this in any way with the newer models or is this still an issue even on the '15s? Asked my shop and he said the newer models shouldn't have this problem, but I'm a bit wary of it. Figure they fixed the oil temp issue, why not this, but I could be wrong.

I don't know of any upgrades. This problem has been going on since the 350/G35 days when they went to this design.

blackcherry20 · 05-11-2015, 07:03 PM

I just completed a Nissan owner survey and made several notes related to this issue.
1-they should be using a higher quality part
2-they shouldn't make owners w warranties jump through hoops to get it replaced. Smh.

Jsolo · 05-17-2015, 01:44 PM

Considering how wide spread this problem is, I'm surprised nissan hasn't issued a proper fix for this. I hope anyone that experiences this issue logs a complaint with the ntsb. Most definitely a safety issue. Not a question of if it'll fail but when.

For those who've experienced the failure, does the fluid leaking from the slave ever reach the friction disc? If it does, good way to force a clutch replacement under warranty (assuming the csc fails while still covered).

05-11-2015, 07:03 PM	#14 (permalink)
blackcherry20 A True Z Fanatic Join Date: May 2012 Location: Southern Ohio Posts: 22,749 Drives: ‘17 badazz Z51 Rep Power: 240460	I just completed a Nissan owner survey and made several notes related to this issue. 1-they should be using a higher quality part 2-they shouldn't make owners w warranties jump through hoops to get it replaced. Smh. JARblue likes this. __________________ Grand Sport Corvette Arctic White

05-17-2015, 01:44 PM	#15 (permalink)
Jsolo Track Member Join Date: Dec 2011 Location: chicago Posts: 783 Drives: '12 G37 6MT Rep Power: 15	Considering how wide spread this problem is, I'm surprised nissan hasn't issued a proper fix for this. I hope anyone that experiences this issue logs a complaint with the ntsb. Most definitely a safety issue. Not a question of if it'll fail but when. For those who've experienced the failure, does the fluid leaking from the slave ever reach the friction disc? If it does, good way to force a clutch replacement under warranty (assuming the csc fails while still covered). __________________ G37S Sedan 6MT, Eibach swaybars, Invidia Exhaust, Weaker Clutch Pedal Spring For sale links

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04-30-2015, 01:27 PM	#2 (permalink)
MagmaRed370z A True Z Fanatic Join Date: Jun 2014 Location: USA Posts: 1,468 Drives: 14' 370z Sport Magma Rep Power: 14	At how many miles do CSCs tend to fail?

04-30-2015, 03:13 PM	#3 (permalink)
johnwiki Base Member Join Date: Oct 2013 Location: California Age: 33 Posts: 66 Drives: 2011 Gun Metallic Z Rep Power: 12	Sorry to hear that. Mine failed at about 60,000. And I would be careful driving it. When mine went out I couldnt really get it into gear. After it sat all day I got a little pressure back and was able to drive it to the dealership (roughly 10 is miles away).

05-06-2015, 08:01 PM	#4 (permalink)
johnwiki Base Member Join Date: Oct 2013 Location: California Age: 33 Posts: 66 Drives: 2011 Gun Metallic Z Rep Power: 12	Not sure if this is the right thread for this, but my clutch failed out on me again. This time they said they called the nissan tech line and they are replacing the line that goes between the slave and master cylinders (clutchline) then theyre going to bleed and see what happens. Anyone else have a similar story?

05-08-2015, 04:41 PM	#7 (permalink)
darkphantom Enthusiast Member Join Date: Apr 2015 Location: Houston, Texas Posts: 425 Drives: 13 Z34 PW M6 Rep Power: 244	Would the dealer install the the aftermarket part if you brought it to them?

05-08-2015, 05:59 PM	#10 (permalink)
johnwiki Base Member Join Date: Oct 2013 Location: California Age: 33 Posts: 66 Drives: 2011 Gun Metallic Z Rep Power: 12	This is in Cali. And this dealer might do it, the first time they had to do the csc they asked me if i had any clutch or anything I wanted to put in since they were gonna have the tranny down.

05-09-2015, 01:46 AM	#12 (permalink)
GeauxTigers1 Track Member Join Date: Nov 2011 Location: Surprise, Az Posts: 590 Drives: 2017 370Z Nismo Rep Power: 6745	Has nissan upgraded this in any way with the newer models or is this still an issue even on the '15s? Asked my shop and he said the newer models shouldn't have this problem, but I'm a bit wary of it. Figure they fixed the oil temp issue, why not this, but I could be wrong.