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

KoolKarmaJoe · 06-17-2015, 12:58 PM

Quote:

Originally Posted by eastwest2300

yeah brother, i dont mind bringing the car up to have it fixed along with yours especially if it'll cut some labor from our pockets.

Quote sent to your "visitors page"

eastwest2300 · 06-17-2015, 01:01 PM

Quote:

Originally Posted by KoolKarmaJoe

Quote sent to your "visitors page"

ok thanks brother.

Vbp6US · 06-19-2015, 02:11 PM

2009 370z with 67k miles.

Master and Slave cylinders were replaced at 30k miles under warranty. ECM replaced as well in that time. Guess what? My clutch pedal only returns 40% of the way. I will never buy another Nissan again and will make sure my friends and family are aware of how unreliable their cars are. This includes "premium" models as well. I was considering upgrading to the GTR but not after this.

KoolKarmaJoe · 06-20-2015, 06:48 AM

Master and Slave cylinders were replaced at 30k miles under warranty. ECM replaced as well in that time. Guess what? My clutch pedal only returns 40% of the way. I will never buy another Nissan again and will make sure my friends and family are aware of how unreliable their cars are. This includes "premium" models as well. I was considering upgrading to the GTR but not after this.[/QUOTE]

Does anyone know if Nissan has ever made any "official" statements about the CSC failures that so many of us have experienced? Or is trying to get a answer from them like Beating a Dead Horse?

Zbrah · 06-20-2015, 07:43 PM

Quote:

Originally Posted by KoolKarmaJoe

Master and Slave cylinders were replaced at 30k miles under warranty. ECM replaced as well in that time. Guess what? My clutch pedal only returns 40% of the way. I will never buy another Nissan again and will make sure my friends and family are aware of how unreliable their cars are. This includes "premium" models as well. I was considering upgrading to the GTR but not after this.

Does anyone know if Nissan has ever made any "official" statements about the CSC failures that so many of us have experienced? Or is trying to get a answer from them like Beating a Dead Horse?

[/QUOTE]

As far as I know, Nissan never did addressed this issue publicly, even though people have been complaining about cscs failure since the 350z were still in production.

I wish every person who been affected would file a complaint with the nhts and make their posts go viral all over Nissan's fb and tweeter. I am sure that will at least their attention to start acting on this subject seriously.

Trips · 06-20-2015, 07:53 PM

Quote:

Originally Posted by Zbrah

Does anyone know if Nissan has ever made any "official" statements about the CSC failures that so many of us have experienced? Or is trying to get a answer from them like Beating a Dead Horse?

As far as I know, Nissan never did addressed this issue publicly, even though people have been complaining about cscs failure since the 350z were still in production.

I wish every person who been affected would file a complaint with the nhts and make their posts go viral all over Nissan's fb and tweeter. I am sure that will at least their attention to start acting on this subject seriously.

Totally agree with you.

Nissan doesn't see it as a safety issue so even if people complain? They wont do anything about like the 350 before us.

So yes this is a beating the horse topic, and part of the negatives of owning the Manual version for some and not a majority since it's a hit and miss issue like other quirks the Z is plagued by.

Misnomer · 06-20-2015, 07:13 AM

It's only been a couple of weeks, but after reading some of the newer posts in this thread I think I'm glad I went for the clutch assembly replacement. Everything feels great (knock on wood), I'm used to the slightly heavier pedal, and most of the new noises have gone away. What's left now is some transmission noise in first and second, but the mechanic thinks that's likely because they upgraded my transmission fluid and it's thinner than what Nissan originally had in there. He said if the noise really bothers me he can put thicker fluid back in and see if it helps. I'll wait another week and see how much it still bothers me (it's a light grinding/scraping sound; right now I'm leaning toward having him swap out the fluid).

Quote:

Originally Posted by Vbp6US

I will never buy another Nissan again and will make sure my friends and family are aware of how unreliable their cars are.

I had an '02 Nissan Sentra -- manual, base trimline, all stock -- for four years and I never had a single problem. I even bought it used (in '04), and tracked it once (don't laugh!). The good experience I had with that car was part of why I didn't hesitate to buy my Z in late 2013. It's been a series of disappointments with this car, though: first the known track issues (oil/brake overheating), now the clutch issues.

jwick · 06-20-2015, 07:25 AM

Quote:

Originally Posted by Misnomer

It's only been a couple of weeks, but after reading some of the newer posts in this thread I think I'm glad I went for the clutch assembly replacement. Everything feels great (knock on wood), I'm used to the slightly heavier pedal, and most of the new noises have gone away. What's left now is some transmission noise in first and second, but the mechanic thinks that's likely because they upgraded my transmission fluid and it's thinner than what Nissan originally had in there. He said if the noise really bothers me he can put thicker fluid back in and see if it helps. I'll wait another week and see how much it still bothers me (it's a light grinding/scraping sound; right now I'm leaning toward having him swap out the fluid).

I had an '02 Nissan Sentra -- manual, base trimline, all stock -- for four years and I never had a single problem. I even bought it used (in '04), and tracked it once (don't laugh!). The good experience I had with that car was part of why I didn't hesitate to buy my Z in late 2013. It's been a series of disappointments with this car, though: first the known track issues (oil/brake overheating), now the clutch issues.

Did you upgrade the clutch/flywheel when you did the elimination kit?

The lighten flywheels make a ton of noise. Mine sounds like a diesel F250 in first at low rpms.

If you are going to change fluids, Redline MT85

KoolKarmaJoe · 06-20-2015, 07:40 AM

Quote:

Originally Posted by jwick

Did you upgrade the clutch/flywheel when you did the elimination kit?

The lighten flywheels make a ton of noise. Mine sounds like a diesel F250 in first at low rpms.

If you are going to change fluids, Redline MT85

What brand/weight light FLYWHEEL did you choose? Pro's vs Con's - do you think the performance gains out weighed the noise issue?

Sent from my XT1254 using Tapatalk

jwick · 06-20-2015, 08:05 AM

Quote:

Originally Posted by KoolKarmaJoe

What brand/weight light FLYWHEEL did you choose? Pro's vs Con's - do you think the performance gains out weighed the noise issue?

Sent from my XT1254 using Tapatalk

Z1 Full Face with their lightweight flywheel. This transmission is noisy anyway so I wouldn't prevent doing something because of noise.

As for performance it's hard to say cuz I only had it a couple of weeks before I put the turbo on and obviously the performance changed dramatically after that. It did take a little getting used to because with the lighter weight the rpms drop off quickly when you engage the pedal. I had my tuner bump my idle rpms to 950 to compensate.

Vbp6US · 06-24-2015, 02:12 PM

Quote:

Originally Posted by Misnomer

It's only been a couple of weeks, but after reading some of the newer posts in this thread I think I'm glad I went for the clutch assembly replacement. Everything feels great (knock on wood), I'm used to the slightly heavier pedal, and most of the new noises have gone away. What's left now is some transmission noise in first and second, but the mechanic thinks that's likely because they upgraded my transmission fluid and it's thinner than what Nissan originally had in there. He said if the noise really bothers me he can put thicker fluid back in and see if it helps. I'll wait another week and see how much it still bothers me (it's a light grinding/scraping sound; right now I'm leaning toward having him swap out the fluid).

I had an '02 Nissan Sentra -- manual, base trimline, all stock -- for four years and I never had a single problem. I even bought it used (in '04), and tracked it once (don't laugh!). The good experience I had with that car was part of why I didn't hesitate to buy my Z in late 2013. It's been a series of disappointments with this car, though: first the known track issues (oil/brake overheating), now the clutch issues.

I was in the market for a Sentra SE-R around that time but ended up getting the GXE (new high school grad at the time). I recall my decision being swayed based on the numerous transmission issues reported between 2003-2004. I should have extrapolated correctly and assumed that other models would be plagued by transmission/clutch/clutch assembly issues. Lesson learned.

Misnomer · 06-24-2015, 02:28 PM

Quote:

Originally Posted by jwick

Did you upgrade the clutch/flywheel when you did the elimination kit?

I didn't do an elimination kit, I had the entire clutch assembly replaced.

Quote:

Originally Posted by TheNismo

I sure Nissan knows about the issue though because there's a TSB out saying to "flush and replace with GTR R35 brake fluid" if the clutch fluid drains and the pedal goes to the floor.. So it's not a recall but if they see the issue that's what they are supposed to do.. except that won't fix the issue.

With my car, when the shop called Nissan they were told "when the TSB doesn't work we've started recommending replacing the entire clutch assembly." Cheap, lazy bastards...

jwick · 06-25-2015, 08:16 AM

Quote:

Originally Posted by Misnomer

I didn't do an elimination kit, I had the entire clutch assembly replaced.

I read that as you went back with a CSC. OEM or HD from ZSpeed?

FYI the elimination kit just replaces the CSC. The reminder of the clutch system remains the same.

MagmaRed370z · 06-20-2015, 08:06 PM

Just so I know, what do people do if they get the clutch pedal to the floor? Just trying to prepare for the future.

Any quick things to do to get it going again to drive it to the dealership? Let me know

Trips · 06-20-2015, 08:14 PM

Quote:

Originally Posted by schellingr

Just so I know, what do people do if they get the clutch pedal to the floor? Just trying to prepare for the future.

Any quick things to do to get it going again to drive it to the dealership? Let me know

Best preparation is to simply replace it with HD version.

Waiting for it to fail will just leave you stranded since there is nothing to do once it starts to let go.

But you should pay extra attention if you start to feel it not feel normal as it will give a subtle warning as it start to deteriorate and finally fail.

06-20-2015, 06:48 AM	#4 (permalink)
KoolKarmaJoe Enthusiast Member Join Date: Jan 2015 Location: Baltimore MD Posts: 417 Drives: 09' Nissan 370Z R M6 Rep Power: 12	Master and Slave cylinders were replaced at 30k miles under warranty. ECM replaced as well in that time. Guess what? My clutch pedal only returns 40% of the way. I will never buy another Nissan again and will make sure my friends and family are aware of how unreliable their cars are. This includes "premium" models as well. I was considering upgrading to the GTR but not after this.[/QUOTE] Does anyone know if Nissan has ever made any "official" statements about the CSC failures that so many of us have experienced? Or is trying to get a answer from them like Beating a Dead Horse? __________________ "Joe" AAM True 3" Duals / Whiteline Bars & Rear Links / Tanabe Sustec Pro / Mishimoto Oil Cooler / Michelin Pilot SS ACT HD Pressure Plate / ACT Performance Disc / ACT Streetlite Flywheel / ZSpeed HD CSC on GTR Fluid.

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06-19-2015, 02:11 PM	#3 (permalink)
Vbp6US Enthusiast Member Join Date: Nov 2011 Location: SoCal Posts: 442 Drives: 2009 370z MB 6MT Rep Power: 14	2009 370z with 67k miles. Master and Slave cylinders were replaced at 30k miles under warranty. ECM replaced as well in that time. Guess what? My clutch pedal only returns 40% of the way. I will never buy another Nissan again and will make sure my friends and family are aware of how unreliable their cars are. This includes "premium" models as well. I was considering upgrading to the GTR but not after this.

06-20-2015, 08:06 PM	#14 (permalink)
MagmaRed370z A True Z Fanatic Join Date: Jun 2014 Location: USA Posts: 1,468 Drives: 14' 370z Sport Magma Rep Power: 14	Just so I know, what do people do if they get the clutch pedal to the floor? Just trying to prepare for the future. Any quick things to do to get it going again to drive it to the dealership? Let me know