clutch will not disengage.. Hydraulics work fine - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

DJ_Sunrise · 05-23-2008, 05:58 PM

Hey guys.. I can't get my Exedy Hyper single clutch to disengage. It has less than 9k miles on it. Hydraulics work great.. I literally watched my fork moving, and watched the fingers on the pressure plate move.. So everything is working. What could cause the clutch not to disengage????

-Bart

slider2828 · 05-23-2008, 07:17 PM

Did the fork snap? Did the pivot shatter? Check those things... Shine a light and a small mirror inside the slave cynlinder boot on your tranny.

LA_phantom_240 · 05-23-2008, 07:25 PM

He said the fingers moved, so the fork isn't broken. Maybe the pedal needs adjusting? Maybe the MC is going out?

Dousan_PG · 05-23-2008, 08:06 PM

might not be engaging enough
replace cluthc adn slave cylinders
go from there.

thejapino · 05-23-2008, 09:08 PM

Do you have break fluid coming out of the slave at all? B/c a faulty slave may still move a little but not enough to completely disengage the pressure plate.

DJ_Sunrise · 05-24-2008, 07:56 AM

the slave is moving fully. complete travel. pivot is the nismo.. won't break, at least not any time soon. clutch works intermittently. blahhh. im going to drop the trans now.. fuck. previously i had a nice garage to do it in.. but now i have to do it in my slanted ass driveway. no leaks. hydraulics are all new new new

-Bart

slider2828 · 05-24-2008, 11:58 AM

O forgot, did you try to adjust the clutch pedal? You know the fork and rod behind the pedal?

dori_sil8t · 05-24-2008, 12:29 PM

rubber hose colapsed internally

shade · 05-24-2008, 07:50 PM

I say clutch pedal, keep adjusting that bitch. I recently had a problem with the clutch not disengaging, imagine driving for 30 miles like that, it sucked. It turned out to be my pedal.

koukimonster139 · 05-24-2008, 07:56 PM

slave is bad

alkemyst · 05-24-2008, 08:04 PM

Quote:

Originally Posted by shade

I say clutch pedal, keep adjusting that bitch. I recently had a problem with the clutch not disengaging, imagine driving for 30 miles like that, it sucked. It turned out to be my pedal.

My clutch is going I am pretty sure soon...98k on the clock. I replaced the master and slave (removed dampener and added a stainless line). I noticed with the clutch floored at about 5k rpms it would lurch a bit.

I adjusted the rod and now it engages about 1/2 way off the floor and almost to the top fully. I'd like it lower, but that is due to a clutch in my near future.

Without knowing the exact problem it's hard to say, but for about $20 and some time you can replace the rubber line (known to fail) and scratch the dampener (known to hold air)....I think for high end clutches it's mandatory to remove it for some reason.

Hopefully your pressure plate didn't fail.

DJ_Sunrise · 05-25-2008, 10:29 AM

I'd hate to get my lazy ass to pickup a camera, but I assure you.. the hydraulics work. Nothing collapsed. I have SS lines. No damper.. Hydraulics are fine. No adjustments are needed to anything.. the clutch works intermittently.. no leaks.. no air in the lines... full range of motion...... I'll answer my own thread.. theres something internally wrong. a clip has probably broken, changing the leverage... affecting the disengagement. hahahaha... thanks for the help guys. im about to find out what reaaallly went wrong.

Gawd I hate tranny work.... ughhhhh. lol..

-Bart

alkemyst · 05-25-2008, 11:09 AM

Well we all have to make sure you checked the basics if you didn't specifically tell us

.

Hopefully it's something you can just fix there, but it's sounding like a component failure.

Chops@MVP · 05-25-2008, 11:21 AM

I had the exact same problem a couple months ago. Everything seemed to be fine but when I took the lid off the res the fluid looked black and was like water. Flushed it out, put new fluid in, adjusted pedal and it felt like a brand new clutch.

Regards,
Robert

05-23-2008, 05:58 PM	#1
DJ_Sunrise Zilvia FREAK! Join Date: Feb 2004 Location: NJ Age: 38 Posts: 1,134 Trader Rating: (1) Feedback Score: 1 reviews	clutch will not disengage.. Hydraulics work fine Hey guys.. I can't get my Exedy Hyper single clutch to disengage. It has less than 9k miles on it. Hydraulics work great.. I literally watched my fork moving, and watched the fingers on the pressure plate move.. So everything is working. What could cause the clutch not to disengage???? -Bart

05-23-2008, 07:17 PM	#2
slider2828 Post Whore! Join Date: Oct 2004 Location: San Francisco, CA Posts: 6,040 Trader Rating: (13) Feedback Score: 13 reviews	Did the fork snap? Did the pivot shatter? Check those things... Shine a light and a small mirror inside the slave cynlinder boot on your tranny. __________________ Turn and Burn!

05-23-2008, 08:06 PM	#4
Dousan_PG Post Whore! Join Date: May 2002 Location: Orange County, California Age: 46 Posts: 16,640 Trader Rating: (23) Rides Gallery: Dousan_PG Feedback Score: 23 reviews	might not be engaging enough replace cluthc adn slave cylinders go from there. __________________ Aaron Pink GodziRa www.geocities.com/pink_godzira

05-23-2008, 09:08 PM	#5
thejapino Zilvia Addict Join Date: Jan 2004 Location: The City By The Water - YEEE! Posts: 605 Trader Rating: (0) Feedback Score: 0 reviews	Do you have break fluid coming out of the slave at all? B/c a faulty slave may still move a little but not enough to completely disengage the pressure plate. __________________ WTB: 13kg springs! Eibach, Stance, or Swift.

05-24-2008, 11:58 AM	#7
slider2828 Post Whore! Join Date: Oct 2004 Location: San Francisco, CA Posts: 6,040 Trader Rating: (13) Feedback Score: 13 reviews	O forgot, did you try to adjust the clutch pedal? You know the fork and rod behind the pedal? __________________ Turn and Burn!

05-24-2008, 07:56 AM	#6
DJ_Sunrise Zilvia FREAK! Join Date: Feb 2004 Location: NJ Age: 38 Posts: 1,134 Trader Rating: (1) Feedback Score: 1 reviews	the slave is moving fully. complete travel. pivot is the nismo.. won't break, at least not any time soon. clutch works intermittently. blahhh. im going to drop the trans now.. fuck. previously i had a nice garage to do it in.. but now i have to do it in my slanted ass driveway. no leaks. hydraulics are all new new new -Bart

05-24-2008, 12:29 PM	#8
dori_sil8t Zilvia Junkie Join Date: Sep 2007 Location: Ontario Age: 42 Posts: 385 Trader Rating: (0) Feedback Score: 0 reviews	rubber hose colapsed internally __________________ unionautoclub.com

05-24-2008, 07:50 PM	#9
shade Zilvia Junkie Join Date: Mar 2008 Location: San Diego Age: 36 Posts: 509 Trader Rating: (0) Feedback Score: 0 reviews	I say clutch pedal, keep adjusting that bitch. I recently had a problem with the clutch not disengaging, imagine driving for 30 miles like that, it sucked. It turned out to be my pedal. __________________

05-24-2008, 07:56 PM	#10
koukimonster139 Zilvia FREAK! Join Date: Jan 2006 Location: Birmingham, AL Age: 38 Posts: 1,379 Trader Rating: (0) Feedback Score: 0 reviews	slave is bad __________________ ho ha ho chi chi

05-25-2008, 10:29 AM	#12
DJ_Sunrise Zilvia FREAK! Join Date: Feb 2004 Location: NJ Age: 38 Posts: 1,134 Trader Rating: (1) Feedback Score: 1 reviews	I'd hate to get my lazy ass to pickup a camera, but I assure you.. the hydraulics work. Nothing collapsed. I have SS lines. No damper.. Hydraulics are fine. No adjustments are needed to anything.. the clutch works intermittently.. no leaks.. no air in the lines... full range of motion...... I'll answer my own thread.. theres something internally wrong. a clip has probably broken, changing the leverage... affecting the disengagement. hahahaha... thanks for the help guys. im about to find out what reaaallly went wrong. Gawd I hate tranny work.... ughhhhh. lol.. -Bart

05-25-2008, 11:09 AM	#13
alkemyst Zilvia Addict Join Date: Oct 2003 Location: Florida Age: 53 Posts: 868 Trader Rating: (0) Feedback Score: 0 reviews	Well we all have to make sure you checked the basics if you didn't specifically tell us . Hopefully it's something you can just fix there, but it's sounding like a component failure. __________________ Now my Kensai, I curse you to be a Ronin and with the my remaining spirit I, beseech Chimata-No-Kami, to have you wander through time and distance lands, seeking a new master.

05-25-2008, 11:21 AM	#14
Chops@MVP Zilvia FREAK! Join Date: May 2007 Location: Bridgeport,Tx Posts: 1,441 Trader Rating: (16) Feedback Score: 16 reviews	I had the exact same problem a couple months ago. Everything seemed to be fine but when I took the lid off the res the fluid looked black and was like water. Flushed it out, put new fluid in, adjusted pedal and it felt like a brand new clutch. Regards, Robert __________________ 940-683-8282 x20 Robert Del Angel CLICK HERE FOR OUR FACEBOOK PAGE!!! FOLLOW US ON TWITTER!!! Master Distributor for : RPS, Tein, Seibon, Haltech, HKS, Greddy, Cusco, Blitz, Koyo, AEM, Map ECU, Eibach, Tokiko, Power Enterprise, Work, Volk, Fidanza, Defi, ....and so many more!!!