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

ChrisSlicks · 09-27-2012, 11:18 AM

Quote:

Originally Posted by Sparhax

40k Miles 09 370z

Clutch Pedal stuck to the floor, towed to the dealer. Dealer wants 1600 to replace the clutch assembly and are checking out the slave cylinder and flywheel. I have the extended waranty.

After reading all this I wonder if my cluch assembly even needs replacement and I just need the Master/slave cylinder replaced. ( I don't know much about cars)

Unless it's had a lot of hard driving the clutch disc itself is likely fine, however since you have to drop the transmission to get to the CSC it's an opportune time to consider replacement at a reduced labor rate since the warranty will pay for the CSC replacement and the labor to drop/install the transmission. The price he's given you so far certainly isn't discounted

jennyt71 · 09-27-2012, 10:07 PM

Quote:

Originally Posted by Sparhax

40k Miles 09 370z

Clutch Pedal stuck to the floor, towed to the dealer. Dealer wants 1600 to replace the clutch assembly and are checking out the slave cylinder and flywheel. I have the extended waranty.

After reading all this I wonder if my cluch assembly even needs replacement and I just need the Master/slave cylinder replaced. ( I don't know much about cars)

which dealer did you take it to?

CC QUIK · 10-01-2012, 11:47 PM

this was one of my fears when i traded in 2011 Z 7sp auto for a 2012 6sd man. I've heard many horror stories about the clutch and csc failures. Great info from all. Planning to install a ACT clutch from stillen.

sungear · 10-27-2012, 08:45 PM

Loss of clutch hydraulic pressure occurred on my way home from vacation. Eastbound on I-40, east of OKC, the pedal went all the way to the floor. Eventually got of the road and was somewhat able to pump up the clutch using my hand, since the pedal wouldn't return on its own. No signs of fluid loss, reservoir full. Limped on home, periodically having to take the car out of gear to pump up the clutch again. Got the car to the dealer with 35.5 k miles on the odo.I suggested they try bleeding the system first, but they went ahead and ordered the CSC, master cylinder, and tube; they must already have a service bulletin or something.

sungear · 10-30-2012, 10:18 PM

Quote:

Originally Posted by sungear

Loss of clutch hydraulic pressure occurred on my way home from vacation. Eastbound on I-40, east of OKC, the pedal went all the way to the floor. Eventually got of the road and was somewhat able to pump up the clutch using my hand, since the pedal wouldn't return on its own. No signs of fluid loss, reservoir full. Limped on home, periodically having to take the car out of gear to pump up the clutch again. Got the car to the dealer with 35.5 k miles on the odo.I suggested they try bleeding the system first, but they went ahead and ordered the CSC, master cylinder, and tube; they must already have a service bulletin or something.

After having the CMC and CSC replaced under warranty, the clutch feels better than when the car was new!

Footloose301 · 10-28-2012, 06:54 PM

Update: I recently posted in here believing I had this issue but I just pumped in and replaced my clutch fluid and haven't had one single issue since then.

Before changing fluids the pedal was squishy after 30min of highway 80mph driving, just cruising. Now the pedal remains consistent no matter how hard I push the car

Some of you lurkers may want to swap your clutch fluids BEFORE you have these issues. I had the same symptoms and perhaps I fixed the issue before it became a CSC failure. .....I hope.

ZForce · 10-28-2012, 08:12 PM

^ I agree, although my clutch fluid was still the initial fill at factory 2009 with 42k miles. I imagine the dealer would have performed this IF they diagnosed it was just a fluid swap.

Best to get them to replace the cmc while it's still under warranty...imo

martin82 · 10-29-2012, 12:33 PM

I need to drop off my car too, pedal dropped a few times to the floor. Replaced fluid and worked better but now I am gettin 2nd and 5th gear grind...

lhinojos · 10-29-2012, 02:06 PM

Last Thursday I was on my way home from knotts when I went to downshift for traffic and the pedal went to the floor. Dropped it off at the dealer today. What annoys me the most is that I'm 19 and they guy didn't seem to take me seriously. Hopefully they figure out whats wrong. I'm also worried if it'll be covered under warranty

martin82 · 10-30-2012, 10:37 PM

Can someone post up their invoice showing what was replaced etc..... under warranty?
or email it to me?

martin82 · 11-05-2012, 09:15 PM

anyone? I just took out my recaro's etc to make the car look as stock as possible... trying to get the exact things replaced etc... so dealer doesnt give me bs....

Stevasis · 11-12-2012, 09:55 PM

well apparently everyone seems to be having the same problem. I was driving my car (normally) and out of nowhere my clutch peddle drops to the floor. Less than 8k miles. No mods, just air filters, don't drive it that hard either. Taking it to the dealership tomorrow if possible. Just got the basic warranty. Curious to see what will happen at the dealership. Had a 07 350 before this and my transmission was replaced under similar conditions and never had another problem. Read that a lot of people have had the same problem with the 370 and it never seems to go away. New to the forum, just saying hi, will post results as soon as I know more.

Thanks, -Steve

Stevasis · 11-23-2012, 02:25 PM

So I got my car back from the dealer about a week ago. It was confirmed that the CSC did indeed fail but they claim only one other car has been brought to them with this problem and swear that it's rare. They went ahead and replaced the master cylinder, csc and the clutch hose assembly. So far the car is running fine. Noticed that the clutch is a little softer but all is good. We'll see how long it takes before it fails again...

SoCalBoy · 11-25-2012, 11:31 PM

35k+ miles and my 09 Z and my clutch finally decided to take a crap on me today. Not all surprised though since I do run it hard. Figured it was time upgrade my clutch anyway. Just sucks to see all that money leave my acct.

Slikshoes · 12-18-2012, 11:05 AM

12/15/12

My Car: 2011 370Z
Miles: 16,200.

My Clutch began to stick on the freeway. Then Got worse. Barely made it back home and now it's completely stuck to the floor. Know this should be under warranty, but since I have my own shop I would rather work on it myself. Plus I may want to replace my clutch since I most likely will be dropping the Transmission. I'll take photos.

(1 in 1 million to refuse warranty work) lol

10-28-2012, 06:54 PM	#6 (permalink)
Footloose301 A True Z Fanatic Join Date: Apr 2010 Location: Naples, FL Posts: 2,659 Drives: 40th Rep Power: 23	Update: I recently posted in here believing I had this issue but I just pumped in and replaced my clutch fluid and haven't had one single issue since then. Before changing fluids the pedal was squishy after 30min of highway 80mph driving, just cruising. Now the pedal remains consistent no matter how hard I push the car Some of you lurkers may want to swap your clutch fluids BEFORE you have these issues. I had the same symptoms and perhaps I fixed the issue before it became a CSC failure. .....I hope. __________________ 2010 40th Anniversary 370Z

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10-01-2012, 11:47 PM	#3 (permalink)
CC QUIK Base Member Join Date: Sep 2012 Location: Vegas Posts: 83 Drives: 2012 370Z Rep Power: 14	this was one of my fears when i traded in 2011 Z 7sp auto for a 2012 6sd man. I've heard many horror stories about the clutch and csc failures. Great info from all. Planning to install a ACT clutch from stillen.

10-27-2012, 08:45 PM	#4 (permalink)
sungear Base Member Join Date: Mar 2011 Location: Huntsville Posts: 17 Drives: 2011 370Z Blue M6 Rep Power: 16	Loss of clutch hydraulic pressure occurred on my way home from vacation. Eastbound on I-40, east of OKC, the pedal went all the way to the floor. Eventually got of the road and was somewhat able to pump up the clutch using my hand, since the pedal wouldn't return on its own. No signs of fluid loss, reservoir full. Limped on home, periodically having to take the car out of gear to pump up the clutch again. Got the car to the dealer with 35.5 k miles on the odo.I suggested they try bleeding the system first, but they went ahead and ordered the CSC, master cylinder, and tube; they must already have a service bulletin or something.

10-28-2012, 08:12 PM	#7 (permalink)
ZForce A True Z Fanatic Join Date: Jul 2009 Location: Roseville, CA Posts: 2,359 Drives: 09 370Z Tour + Sport Rep Power: 22	^ I agree, although my clutch fluid was still the initial fill at factory 2009 with 42k miles. I imagine the dealer would have performed this IF they diagnosed it was just a fluid swap. Best to get them to replace the cmc while it's still under warranty...imo

10-29-2012, 12:33 PM	#8 (permalink)
martin82 A True Z Fanatic Join Date: Nov 2011 Location: los angeles Posts: 2,636 Drives: 12 Nissan 370Z MB M6 Rep Power: 21	I need to drop off my car too, pedal dropped a few times to the floor. Replaced fluid and worked better but now I am gettin 2nd and 5th gear grind...

10-29-2012, 02:06 PM	#9 (permalink)
lhinojos Track Member Join Date: Apr 2012 Location: Riverside, CA Posts: 559 Drives: 12 370z GM M6 Rep Power: 16	Last Thursday I was on my way home from knotts when I went to downshift for traffic and the pedal went to the floor. Dropped it off at the dealer today. What annoys me the most is that I'm 19 and they guy didn't seem to take me seriously. Hopefully they figure out whats wrong. I'm also worried if it'll be covered under warranty

10-30-2012, 10:37 PM	#10 (permalink)
martin82 A True Z Fanatic Join Date: Nov 2011 Location: los angeles Posts: 2,636 Drives: 12 Nissan 370Z MB M6 Rep Power: 21	Can someone post up their invoice showing what was replaced etc..... under warranty? or email it to me?

11-05-2012, 09:15 PM	#11 (permalink)
martin82 A True Z Fanatic Join Date: Nov 2011 Location: los angeles Posts: 2,636 Drives: 12 Nissan 370Z MB M6 Rep Power: 21	anyone? I just took out my recaro's etc to make the car look as stock as possible... trying to get the exact things replaced etc... so dealer doesnt give me bs....

11-12-2012, 09:55 PM	#12 (permalink)
Stevasis Base Member Join Date: Nov 2012 Location: little elm Posts: 7 Drives: 2012 370z white m6 Rep Power: 14	well apparently everyone seems to be having the same problem. I was driving my car (normally) and out of nowhere my clutch peddle drops to the floor. Less than 8k miles. No mods, just air filters, don't drive it that hard either. Taking it to the dealership tomorrow if possible. Just got the basic warranty. Curious to see what will happen at the dealership. Had a 07 350 before this and my transmission was replaced under similar conditions and never had another problem. Read that a lot of people have had the same problem with the 370 and it never seems to go away. New to the forum, just saying hi, will post results as soon as I know more. Thanks, -Steve

11-23-2012, 02:25 PM	#13 (permalink)
Stevasis Base Member Join Date: Nov 2012 Location: little elm Posts: 7 Drives: 2012 370z white m6 Rep Power: 14	So I got my car back from the dealer about a week ago. It was confirmed that the CSC did indeed fail but they claim only one other car has been brought to them with this problem and swear that it's rare. They went ahead and replaced the master cylinder, csc and the clutch hose assembly. So far the car is running fine. Noticed that the clutch is a little softer but all is good. We'll see how long it takes before it fails again...

11-25-2012, 11:31 PM	#14 (permalink)
SoCalBoy Enthusiast Member Join Date: Apr 2012 Location: Mesa, AZ Age: 42 Posts: 324 Drives: RipTide Rep Power: 15	35k+ miles and my 09 Z and my clutch finally decided to take a crap on me today. Not all surprised though since I do run it hard. Figured it was time upgrade my clutch anyway. Just sucks to see all that money leave my acct.

12-18-2012, 11:05 AM	#15 (permalink)
Slikshoes Base Member Join Date: Dec 2011 Location: City of Industry Posts: 26 Drives: 2011 370z Rep Power: 15	12/15/12 My Car: 2011 370Z Miles: 16,200. My Clutch began to stick on the freeway. Then Got worse. Barely made it back home and now it's completely stuck to the floor. Know this should be under warranty, but since I have my own shop I would rather work on it myself. Plus I may want to replace my clutch since I most likely will be dropping the Transmission. I'll take photos. (1 in 1 million to refuse warranty work) lol