Pressed clutched down, never came back up. Help!

moody_i · 08-16-2015, 01:31 PM

Unfortunately, yesterday I was driving my 2009 370z on the freeway and all of sudden as I was about to switch gears, the clutch lost resistance completely, therefore making it impossible to shift. First thing that came up in my mind is the slave cylinder went bad. I called a couple buddies and they told me to check the brake fluid. I checked it and it was clear, however around 10 minutes later I checked the clutch and there was a little resistance, enough to start the car and exit the freeway. However, first stop light and the resistance was lost and the clutch went limp once again. Checked the brake fluid once more and there was nothing. Checked for a leak where the piping is at and seen nothing. Checked inside the car where the clutch is located to see if there's a leak-- still nothing. Underneath the car-- no leak. I heard that's a good thing since it means the clutch isn't ruined, or drenched I shall say. What do you guys think the problem is? & how could I solve it? Is it the slave cylinder? Is it true if I switch the slave cylinder I have to change the master cylinder since they work together? Need solutions from you lovely ducklings. Thanks for reading!

sx moneypit · 08-16-2015, 01:36 PM

http://www.the370z.com/nissan-370z-g...-failures.html

R0bDC · 08-16-2015, 04:20 PM

Another Victim of the failed CSC. How sad......

Lukcas61 · 08-16-2015, 05:28 PM

Yeah, another reason why I went with the automatic.

DOOMMONKEY777 · 08-16-2015, 05:42 PM

Its ur master cylinder that is bad, it has to make pressure, the fluid is just going throug the piston cuz the rubber seals ripped.

jaedub · 08-16-2015, 11:57 PM

Quote:

Originally Posted by Lukcas61

Yeah, another reason why I went with the automatic.

Whats automatic?

OP, we welcome you with open arms to CSC failure paradise

Lukcas61 · 08-17-2015, 05:34 AM

Quote:

Originally Posted by jaedub

Whats automatic?

OP, we welcome you with open arms to CSC failure paradise

Enjoy, I guess? In the meantime I'll be

tonythetiger · 08-17-2015, 09:32 AM

i dont understand why nissan is putting this off for recalls, seems like its happening to every manual z

JARblue · 08-17-2015, 09:36 AM

Quote:

Originally Posted by DOOMMONKEY777

Its ur master cylinder that is bad, it has to make pressure, the fluid is just going throug the piston cuz the rubber seals ripped.

This is a master cylinder failure, not the slave cylinder. I've had my master go out twice. Be thankful the part is ~$125 and doesn't require dropping the transmission.

The seals in the master are internal, so any leak is still contained within the clutch system. But it won't be able to properly induce pressure into the system, which is required to actuate the throwout bearing.

kenchan · 08-17-2015, 12:44 PM

maybe a good time to check DIY for master cylinder swap.

eastwest2300 · 08-17-2015, 02:06 PM

after replacing my clutch pedal with the RJM, swapping out the master cylinder would be a fairly easy job.

moody_i · 08-17-2015, 04:01 PM

Everyone is telling me it's the slave cylinder. What the hell do I do? Buy both, pick and choose?

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JARblue · 08-17-2015, 04:16 PM

Quote:

Originally Posted by moody_i

Everyone is telling me it's the slave cylinder. What the hell do I do? Buy both, pick and choose?

If the slave is done, you should replace the master also. If I were you, I would buy the master and replace it. If you don't get pressure back and a working clutch system, then I would buy the slave. Upgrade to a ZSpeed or Z1 kit. I would only use another OEM one if it were 100% covered under a warranty and they refuse to put in an aftermarket CSC.

Z-Girl 12 · 08-17-2015, 04:30 PM

Nissan so sucks...

moody_i · 08-17-2015, 04:32 PM

Quote:

Originally Posted by JARblue

If the slave is done, you should replace the master also. If I were you, I would buy the master and replace it. If you don't get pressure back and a working clutch system, then I would buy the slave. Upgrade to a ZSpeed or Z1 kit. I would only use another OEM one if it were 100% covered under a warranty and they refuse to put in an aftermarket CSC.

I praise you

Sent from my iPhone using Tapatalk

08-16-2015, 01:31 PM	#1 (permalink)
moody_i Base Member Join Date: May 2015 Location: Baldwin Park California Age: 29 Posts: 131 Drives: 2009 Nissan 370z Rep Power: 10	Pressed clutched down, never came back up. Help! Unfortunately, yesterday I was driving my 2009 370z on the freeway and all of sudden as I was about to switch gears, the clutch lost resistance completely, therefore making it impossible to shift. First thing that came up in my mind is the slave cylinder went bad. I called a couple buddies and they told me to check the brake fluid. I checked it and it was clear, however around 10 minutes later I checked the clutch and there was a little resistance, enough to start the car and exit the freeway. However, first stop light and the resistance was lost and the clutch went limp once again. Checked the brake fluid once more and there was nothing. Checked for a leak where the piping is at and seen nothing. Checked inside the car where the clutch is located to see if there's a leak-- still nothing. Underneath the car-- no leak. I heard that's a good thing since it means the clutch isn't ruined, or drenched I shall say. What do you guys think the problem is? & how could I solve it? Is it the slave cylinder? Is it true if I switch the slave cylinder I have to change the master cylinder since they work together? Need solutions from you lovely ducklings. Thanks for reading! Last edited by moody_i; 08-16-2015 at 01:35 PM.

08-16-2015, 01:36 PM	#2 (permalink)
sx moneypit Premium Member Join Date: Oct 2014 Location: Memphis,Tn. Age: 67 Posts: 3,327 Drives: 2010 370Z PG 6 spd Rep Power: 2684371	http://www.the370z.com/nissan-370z-g...-failures.html 1st and R0bDC like this.

08-16-2015, 05:28 PM	#4 (permalink)
Lukcas61 Base Member Join Date: Apr 2015 Location: California Posts: 104 Drives: 13 Nissan 370z Red Rep Power: 10	Yeah, another reason why I went with the automatic. 37zeroZ likes this.

08-16-2015, 05:42 PM	#5 (permalink)
DOOMMONKEY777 A True Z Fanatic Join Date: Sep 2010 Location: Crooklyn Posts: 1,008 Drives: 370Z 6psd-sport-pkg Rep Power: 21	Its ur master cylinder that is bad, it has to make pressure, the fluid is just going throug the piston cuz the rubber seals ripped. __________________ Kids don't do Drugs, Drugs are bad, so let the professional druggies do Drugs for you. 537whp/496lb/tq@8-9PSI 93 octane

08-17-2015, 09:32 AM	#8 (permalink)
tonythetiger A True Z Fanatic Join Date: Oct 2010 Location: SA, TX Posts: 1,035 Drives: 10 Nissan 370z PG MT Rep Power: 193	i dont understand why nissan is putting this off for recalls, seems like its happening to every manual z __________________ KWV3/Eibach/StillenG3/FI CBE+LTH+34Row/Uprev/SPL/SouthBendSS/QuaifeLSD/4.08/TommyKaira/Status/VolkZE40/AP Radical BBK/Seibon/Amuse/VIS/Sparco/WorksBellGTC/RJM/Nismo

08-16-2015, 04:20 PM	#3 (permalink)
R0bDC Enthusiast Member Join Date: Nov 2012 Location: California Posts: 307 Drives: 2009 370Z Rep Power: 12	Another Victim of the failed CSC. How sad......

08-17-2015, 12:44 PM	#10 (permalink)
kenchan A True Z Fanatic Join Date: Aug 2009 Location: N/A Posts: 76,801 Drives: N/A Rep Power: 141521	maybe a good time to check DIY for master cylinder swap.

08-17-2015, 02:06 PM	#11 (permalink)
eastwest2300 A True Z Fanatic Join Date: May 2010 Location: South FL Posts: 90,962 Drives: '16QX70/'21 Supra3.0 Rep Power: 2684550	after replacing my clutch pedal with the RJM, swapping out the master cylinder would be a fairly easy job. kenchan likes this. __________________ Infiniti QX70 & Toyota Supra 3.0 Premium

08-17-2015, 04:01 PM	#12 (permalink)
moody_i Base Member Join Date: May 2015 Location: Baldwin Park California Age: 29 Posts: 131 Drives: 2009 Nissan 370z Rep Power: 10	Everyone is telling me it's the slave cylinder. What the hell do I do? Buy both, pick and choose? Sent from my iPhone using Tapatalk

08-17-2015, 04:30 PM	#14 (permalink)
Z-Girl 12 A True Z Fanatic Join Date: Apr 2012 Location: Florida Posts: 4,105 Drives: Spirited Rep Power: 11716	Nissan so sucks... __________________ 2012 Z-SOLD 2014 Nismo #565 Fast Intentions CBE/HFC/Swift/SPC/RJM/H&R-15/20mm/Z1 CAI/Headers/Intake Manifold w/Uprev Tune 328.31whp/263.64tq

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