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

370Z Purist · 07-11-2012, 09:00 PM

Quote:

Originally Posted by ChrisSlicks

I believe the CSC should be covered under the powertrain warranty as it is not a wear item like the clutch.

This is what Nissan says of the Transmission under powertrain warranty.

All hydraulics are covered under basic warranty only. Powertrain mostly concerns larger items such as driveshaft, differential, transmission, engine.

Jsolo · 07-13-2012, 11:20 AM

Just checked my infiniti elite coverage - looks like both the master and slave are covered. I imagine if you have a nissan extended warranty, coverage would be similar.

christian370z · 07-13-2012, 03:34 PM

Having clutch issues: no fluid loss, pedal is not sticking, no additional drivetrain noises, goes into gear fine.

Symptoms: a pop sound when shifting, after there as a much softer clutch pedal, less clutch engagement, some clutch slip.

Going to the dealer tomorrow AM so will report back when they let me know their findings.

Jsolo · 07-13-2012, 04:09 PM

Christian, it almost sounds like your clutch is worn. How many miles on the car?

An issue with the CSC or master typically does not result in slippage. If you're in 3rd gear, ~30-35 mph and you nail it, does the rpm increase proportionally to the speed? If rpms shoot up way quickly, then it's definitely a worn clutch. Not covered under warranty unless you can convince them it's due to some other defect.

christian370z · 07-13-2012, 06:23 PM

Quote:

Originally Posted by Jsolo

Christian, it almost sounds like your clutch is worn. How many miles on the car?

An issue with the CSC or master typically does not result in slippage. If you're in 3rd gear, ~30-35 mph and you nail it, does the rpm increase proportionally to the speed? If rpms shoot up way quickly, then it's definitely a worn clutch. Not covered under warranty unless you can convince them it's due to some other defect.

9,000 miles, if there is something wrong with the pressure plate or slave, it could prevent the clutch from fully engaging. The clutch is definitely not worn, especially since this change happened immediately after that pop during a normal shift.

Jsolo · 07-13-2012, 07:43 PM

Indeed. At 9K miles, friction plate should have plenty of life left. Sounds like your clutch wear is secondary to whatever happened originally. Good luck!

Knio · 07-23-2012, 12:12 AM

Year: 2010
VIN: 502405
Mileage: 17000

Happened to me today. Driving to the gym and clutch started to feel a bit weird, but thought my seat was just misadjusted and didn't think about it. Coming home, clutch fell right down and then the engagement was on the floor, and then nowhere at all, and wouldn't return. Stopped at a red light and couldn't get moving again

Clutch fluid level looked fine, might have even been above max, but looked very dirty.

Once I figured out how to drive without a clutch, limped to the nearest dealership and it's sitting there now waiting to be looked at.

Jsolo · 07-23-2012, 12:23 AM

Quote:

Originally Posted by Knio

Once I figured out how to drive without a clutch, limped to the nearest dealership and it's sitting there now waiting to be looked at.

Clutchless shifting and using the starter to get moving (while clutch pedal is to the floor)?

Knio · 07-23-2012, 01:05 AM

Quote:

Originally Posted by Jsolo

Clutchless shifting and using the starter to get moving (while clutch pedal is to the floor)?

Yup... and not stopping at stop signs

Knio · 07-23-2012, 07:56 PM

Good news, They're replacing the master, slave, and hoses all under warranty.

Got an Altima 2.5S for my troubles.

Knio · 07-28-2012, 08:27 PM

Update: Got the car back on Thursday, Everything seems to be working fine.

Here's the results if anyone's interested:

IMG_2156.jpg

zguynate · 07-30-2012, 12:56 AM

Year 2009
VIN 409621
Mileage 28000

Happened to me tonight. I noticed that the clutch had been feeling funny but thought it was just because it has been so damn hot here. Well driving normally, slowing for a stop sign, push clutch and lost all pressure. The pedal was stuck to the floor. Behind me was a trail of clutch fluid and fluid is leaking from inside the bell housing. Ill be calling Nissan in the morning and getting it sorted out. I am still under factory bumper to bumper warranty until Sept.

Attaboy · 07-30-2012, 04:57 PM

dragonbreath - Be glad you're still under warranty. I'm 3 months past the warranty with 21,000 miles and the CSC went out this weekend. Dealer wants almost $1000 in parts and labor to fix it.

Jsolo · 07-30-2012, 05:01 PM

^^I'd take it to a local shop and install one of the heavy duty CSC's available. Probably a good idea to replace the master too...?

Joe@ZSpeed · 07-31-2012, 12:31 PM

Quote:

Originally Posted by Jsolo

^^I'd take it to a local shop and install one of the heavy duty CSC's available. Probably a good idea to replace the master too...?

Yes and Yes!

07-13-2012, 03:34 PM	#78 (permalink)
christian370z A True Z Fanatic Join Date: Jul 2010 Location: Newport Beach Posts: 3,900 Drives: 2010 370Z/Saab 900se Rep Power: 432	Having clutch issues: no fluid loss, pedal is not sticking, no additional drivetrain noises, goes into gear fine. Symptoms: a pop sound when shifting, after there as a much softer clutch pedal, less clutch engagement, some clutch slip. Going to the dealer tomorrow AM so will report back when they let me know their findings. __________________ -320whp / 259wftlbs- SP Rays -- RE-11s -- SpecialtyZ Tune -- Swift Springs -- Stillen 25R Oil Cooler -- Stillen G3 Intakes -- Berk HFCs -- F.I. 12" CBE -- Stillen Sway Bars -- Es14 Spring -- INGS+1 lip -- CF Spoiler -- GTR Start Button -- VLED Parking Lights -- PWJDM V2 shift knob

07-30-2012, 12:56 AM	#87 (permalink)
zguynate A True Z Fanatic Join Date: Jan 2012 Location: Strangeland Posts: 1,054 Drives: 09 370z Rep Power: 73	Year 2009 VIN 409621 Mileage 28000 Happened to me tonight. I noticed that the clutch had been feeling funny but thought it was just because it has been so damn hot here. Well driving normally, slowing for a stop sign, push clutch and lost all pressure. The pedal was stuck to the floor. Behind me was a trail of clutch fluid and fluid is leaking from inside the bell housing. Ill be calling Nissan in the morning and getting it sorted out. I am still under factory bumper to bumper warranty until Sept. __________________ 2009 370z touring w/sports package

07-30-2012, 04:57 PM	#88 (permalink)
Attaboy Base Member Join Date: Apr 2009 Location: Olathe, KS Posts: 130 Drives: '09 370Z 6M Black Rep Power: 16	dragonbreath - Be glad you're still under warranty. I'm 3 months past the warranty with 21,000 miles and the CSC went out this weekend. Dealer wants almost $1000 in parts and labor to fix it. __________________ farts are funny on so many levels.

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07-13-2012, 04:09 PM	#79 (permalink)
Jsolo Track Member Join Date: Dec 2011 Location: chicago Posts: 783 Drives: '12 G37 6MT Rep Power: 15	Christian, it almost sounds like your clutch is worn. How many miles on the car? An issue with the CSC or master typically does not result in slippage. If you're in 3rd gear, ~30-35 mph and you nail it, does the rpm increase proportionally to the speed? If rpms shoot up way quickly, then it's definitely a worn clutch. Not covered under warranty unless you can convince them it's due to some other defect.

07-13-2012, 07:43 PM	#81 (permalink)
Jsolo Track Member Join Date: Dec 2011 Location: chicago Posts: 783 Drives: '12 G37 6MT Rep Power: 15	Indeed. At 9K miles, friction plate should have plenty of life left. Sounds like your clutch wear is secondary to whatever happened originally. Good luck!

07-23-2012, 12:12 AM	#82 (permalink)
Knio Base Member Join Date: May 2011 Location: Palo Alto, CA Posts: 141 Drives: 40th Rep Power: 14	Year: 2010 VIN: 502405 Mileage: 17000 Happened to me today. Driving to the gym and clutch started to feel a bit weird, but thought my seat was just misadjusted and didn't think about it. Coming home, clutch fell right down and then the engagement was on the floor, and then nowhere at all, and wouldn't return. Stopped at a red light and couldn't get moving again Clutch fluid level looked fine, might have even been above max, but looked very dirty. Once I figured out how to drive without a clutch, limped to the nearest dealership and it's sitting there now waiting to be looked at.

07-23-2012, 07:56 PM	#85 (permalink)
Knio Base Member Join Date: May 2011 Location: Palo Alto, CA Posts: 141 Drives: 40th Rep Power: 14	Good news, They're replacing the master, slave, and hoses all under warranty. Got an Altima 2.5S for my troubles.

07-28-2012, 08:27 PM	#86 (permalink)
Knio Base Member Join Date: May 2011 Location: Palo Alto, CA Posts: 141 Drives: 40th Rep Power: 14	Update: Got the car back on Thursday, Everything seems to be working fine. Here's the results if anyone's interested: IMG_2156.jpg

07-30-2012, 05:01 PM	#89 (permalink)
Jsolo Track Member Join Date: Dec 2011 Location: chicago Posts: 783 Drives: '12 G37 6MT Rep Power: 15	^^I'd take it to a local shop and install one of the heavy duty CSC's available. Probably a good idea to replace the master too...?