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Clutch problem on daily driver.....need help!

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Old 03-19-2006, 10:49 PM
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Unhappy Clutch problem on daily driver.....need help!

I have a SPEC 3 in my 02 Z28. The clutch only has about 3K miles on it, or so. Its a daily driver. Well, tonight, the pedal felt really soft. I didnt give it much thought until it progressively got worse. After about a 10 mile round trip, the pedal doesnt work until its on the floor, and you have to try and put your foot through the floorboard to get it to go into gear. There is no resistance in the pedal until its on the floor. The pedal does return up though, to normal position. The slave and master are the original equipment. The fluid has never been changed, from what I know. The clutch doesnt seem to be slipping at all. It just doesnt want to work until the pedal is being pressed very hardly on the floor.

Do any of you guys have any idea of what this might be, or what I should look at first? Have any of you experienced the same problem? Any input would be greatly appreciated, since this is my daily driver, and I need it to get around. Thanks!
Old 03-19-2006, 10:50 PM
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i have the same problem exactly... i bought a new ram adj. master cylinder..hopefully it will help
Old 03-19-2006, 10:53 PM
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Originally Posted by lowchevy2go
i have the same problem exactly... i bought a new ram adj. master cylinder..hopefully it will help
I'm guessing it is a hydraulics problem. Maybe I should go that route too? I dont know a lot about clutches, and Im completely frustrated..

Any other opinions?

p.s. Thanks a ton for your opinion, lowchevy2go!
Old 03-19-2006, 11:13 PM
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try bleeding the lines, sounds like its as simple as that really. I dont think its anything major as far as a part going bad.
Old 03-19-2006, 11:16 PM
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Originally Posted by pontiacfireTAWS6
try bleeding the lines, sounds like its as simple as that really. I dont think its anything major as far as a part going bad.
I guess that would be my first step and then go from there. Now I just have to find a write up on how to bleed it.
Old 03-19-2006, 11:42 PM
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Also, the clutch got progressively worse, as I drove it over a span of 10 minutes. I think I might have to go out in the cold, and look for leaks....damnit!
Old 03-19-2006, 11:55 PM
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i bled mine for 45 min. and it never got better. by the time i was done all the fluid in the system was fresh...didnt help
Old 03-19-2006, 11:58 PM
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Originally Posted by lowchevy2go
i bled mine for 45 min. and it never got better. by the time i was done all the fluid in the system was fresh...didnt help
Stop making me more worried! lol
Old 03-20-2006, 12:40 AM
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Bleeding the hydraulics would be the first step I would take. Is the fluid black? If so, bleed all that black fluid out via the bleeder valve on the slave cylinder, then use a mityvac to suck all the air bubbles out via the hole in the master cylinder reservoir. If your problem persists, then move onto replacing the slave or master.
Old 03-20-2006, 12:46 AM
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Originally Posted by Krab
Bleeding the hydraulics would be the first step I would take. Is the fluid black? If so, bleed all that black fluid out via the bleeder valve on the slave cylinder, then use a mityvac to suck all the air bubbles out via the hole in the master cylinder reservoir. If your problem persists, then move onto replacing the slave or master.
Awesome. Thanks. I appreciate it. That will be the first thing I do. What would I do without LS1Tech.com?
Old 03-20-2006, 12:46 AM
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sorry lol...
Old 03-20-2006, 12:49 AM
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Originally Posted by lowchevy2go
sorry lol...
Hey...Im looking for any help possible. I'm far from any kind of clutch guru, so I appreciate it, bud.

Last edited by Nittany_marine; 03-20-2006 at 01:08 AM.
Old 03-20-2006, 03:19 AM
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It is highly unusual for clutch problems to develop over only a 10 time span. It is usually more like weeks or months as the clutch disc begins to reach the end of its' serviceable life and then you begin to feel slippage or difficult shifting. If the pedal travels that far before it releases (disengages the transmission from the engine) you may have air in the system and bleeding is in order. You have to bleed the air at the slave just like you would a hydraulic brake system.
Old 03-20-2006, 07:05 AM
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Thanks for all the info guys. I'm gonna go look at it this morning, with it being daylight now.
Old 03-20-2006, 07:13 AM
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You have to vacuum bleed it from the top reservoir find a old car somewhere get a vacuum bleeder like the mighty vac (25$) drill a small hole in the old cap you'll already see a little hole in it just drill there with one of the adapters from the mighty vac place it in the hole pull to about 15in of vacuum do not exceed 15 in you'll see the fluid come up and hear air bubbles bubbling. Repeat till you do not hear any bubbles. Done no going under the car. I Have a factory service bulletin on the upgrade bleeding procedure ill try to dig it out and post it.
Old 03-20-2006, 07:16 AM
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Originally Posted by 98SS2836
You have to vacuum bleed it from the top reservoir find a old car somewhere get a vacuum bleeder like the mighty vac (25$) drill a small hole in the old cap you'll already see a little hole in it just drill there with one of the adapters from the mighty vac place it in the hole pull to about 15in of vacuum do not exceed 15 in you'll see the fluid come up and hear air bubbles bubbling. Repeat till you do not hear any bubbles. Done no going under the car. I Have a factory service bulletin on the upgrade bleeding procedure ill try to dig it out and post it.
Thanks! If you could ever find it, and post it, that would be a big help. Thanks!
Old 03-20-2006, 08:09 AM
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bleed first
check and make sure bellhousing bolts didnt come loose (trust me..i know )
replaced master and/or slave.. one at a time or both at once since the slave is a high wear item. pilot bearing should be replaced also since your already there.
Old 03-20-2006, 08:10 AM
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this may also help:
http://www.ls2.com/usa/showthread.ph...23#post5350823
Old 03-20-2006, 08:22 AM
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Well, I just got back inside from checking the master cylinder, and its empty. Sonuvabitch...lol
Old 03-20-2006, 08:25 AM
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thats not good!! did u see any leaks on the line itself? if not, then your slave took a ****.


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