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Unread 01-13-2008, 12:11 AM   #1
AZ95YJ
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Clutch Slave Cylinder

Well it's been a while since I have posted here, but I'm running into a slight issue that I need some help with.

I am replacing my clutch slave cylinder. Luckily mine sits on the outside of my bell housing . I purchase my new one from Autozone and lo and behold I find that the bleeder valve hole is completely closed off. My question is that is it supposed to be closed off, or is there a really small plug down there that I need to remove? If it's supposed to stay that way, then how in the heck am I supposed to bleed my clutch?

Oh (and I'm sure that you guys will love this), the guy at Autozone told me that it was a "self-bleeding" slave cylinder.

Thanks for your input.

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Unread 01-13-2008, 01:31 AM   #2
Kalesinajeep
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ya
people are stupid

1 the clutch cylinder line and slave are a sealed unit. the jack off sold you a part that dosnt exist... go figure

the there should be a screw in your old one to bleed. i had the same problem about 6 weeks ago
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Unread 01-13-2008, 01:52 AM   #3
mud-slinger
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Pull the bleeder off of the old slave cyl....self bleeding? Ya sure.....
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Unread 01-13-2008, 06:38 AM   #4
Richmond88yj
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They are "Self Bleeding" now. He sold you the right part.

Put it in per the instructions and you bleed it by pumpuing the snot out of the clutch. The bubbles rise up the line.
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Unread 01-13-2008, 08:53 AM   #5
AZ95YJ
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Well I did pump the snot out of the clutch, and bubbles did rise. However my clutch is still not right. Normally it engages when I first step on the peddle (meaning that I don't have to mash it down all the way to engage) and then disengages just a little before I take my foot off of the peddle. Now it doesn't engage until my foot is about at the floor, and disengages just barely after my foot starts leaving the floor (plus it still feels squishy).

Unfortunately I don't think the bleeder is something that can be removed by itself, because it is part of the slave cylinder unit. It's merely a hole at the top that a screw sits over.

This part has the same screw point, it's just that the hole that should be at the bottom is not there.

Oh, and the line can be removed from the slave cylinder. It's merely just a pin that holds it to the unit.

I guess I'll have to take it out, put in my old one (it still works but feels weak) and mess with the new one. This way I will at least be able to get to work.
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Unread 05-27-2010, 07:13 PM   #6
camevans
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hey im new at this. i had to replace the clutch hose that goes from my master cylinder to the slave cylinder. unfortunately the fitting that the hose goes onto the slave cylinder broke. and i have to buy a new slave cylinder (180 bucks) just to use that fitting off of it. is there any other way around this?
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Unread 09-26-2011, 07:03 AM   #7
95Turtle
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To the OP, did you ever get this problem resolved? I put the same slave in about 2 years ago, and I still have problems. The pedal is still squishly like you said and the clutch engages right off the floor. I only put a few hundred miles on the Jeep in a year, so I haven't worried about it much, but it is annoying. I'm sure the problem is that air is still in the system, but I have had no luck trying to bleed it by opening the set screw on top of the slave and pumping the clutch. Has anyone had success with another method?

Thanks
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Unread 09-26-2011, 08:41 AM   #8
moonshinefuel
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The clutch engaging right off the floor can also be a weak or collapsing pressure plate. Of course ruling out the hydraulics first takes precedence.
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Unread 09-26-2011, 08:51 AM   #9
95Turtle
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Moonshinefuel, had the pressure plate problem in an F150 once. This seems a little different, like a clutch feels before you get it completely bled. And I replaced the pressure plate, clutch disc, throwout bearing, etc at the same time as the slave. I just really don't like this "self-bleeding" slave, it seems impossible to get air out of it once it is installed. Has anyone heard of a slave with a traditional bleeder valve for the 94-95 models?
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Unread 09-29-2011, 09:32 PM   #10
mudsling
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I replaced my slave cylinder with a new one, only to find out that the bleeder "did not bleed". I exchanged it 3 times and they were all the same, so I took a small drill bit and put a amall hole in the bleeder hole (bleeder hole is blocked by plastic). Problem solved.
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Unread 11-24-2012, 09:05 AM   #11
delb
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clutch hydraulic system problems

We have replaced the hydraulic master cylinder along with the master cylinder line, thought the problem was solved. We bleed the line with new fluid and it worked fine for about two to three weeks and now we are using fluid causing lost pressure in the clutch. Where is the fluid going? There is no leak we can find, we keep refilling the fluid but it only lasts about a day. please help me !
Me and my dad a stuck!
Thanks.
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Unread 11-24-2012, 10:41 AM   #12
pasinbuy
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Quote:
Originally Posted by delb View Post
We have replaced the hydraulic master cylinder along with the master cylinder line, thought the problem was solved. We bleed the line with new fluid and it worked fine for about two to three weeks and now we are using fluid causing lost pressure in the clutch. Where is the fluid going? There is no leak we can find, we keep refilling the fluid but it only lasts about a day. please help me !
Me and my dad a stuck!
Thanks.

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Unread 11-24-2012, 10:53 AM   #13
stenyeart
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X2


My guess is that you have an internal clutch slave cylinder and that is why only the master cylinder and line were replaced. The new master cylinders works a lot better then the one it replaced. It builds more pressure and your worn out slave cylinder could not hold up to the pressure. It is now leaking inside the bell housing.

This would be my guess without knowing more about your jeep.

Apparently this thread comes back to life once a year.
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Unread 11-24-2012, 11:28 AM   #14
Opihi59
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Originally Posted by stenyeart View Post
Apparently this thread comes back to life once a year.
Kinda like my wife (The Dragon Lady) during the Holiday shopping season...

It's not a bad thread though, it's been resurrected a few times and it does show our new member discovered the search function.

So--look for where you're losing fluid, it does not evaporate, and it is not consumed in the process of functioning. A master cylinder will leak inside the cabin, where the rod comes thru the firewall and connects to the clutch pedal. Fluid will dribble down the firewall and if you have carpet (ew!) it will hide behind there.
If you have an internal clutch slave cylinder, like in 93 or older YJ series, it will be inside your bellhousing, and fluid will dribble out the jct of the bell to engine and you'll confuse it with an oil leak. Engine oil feels like engine oil, but brake fluid has a "warming" sorta feel to it when you rub it between your fingers. So lay a clean sheet of cardboard under the Jeep, watch where the drips are falling. The best guess is that your internal slave is dead/dying, and it's hemorrhaging is getting mixed in with all the other gunk like engine oil leaks, RMS leak, etc and you can't tell the difference.

Welcome to the forum, thanks for finding the search function, but yes, do fill in your profile as I'm sure you'll have more than one post in your Jeep career.
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Unread 04-30-2013, 05:45 PM   #15
91_andYJ
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Quote:
Originally Posted by Opihi59 View Post

If you have an internal clutch slave cylinder, like in 93 or older YJ series, it will be inside your bellhousing, and fluid will dribble out the jct of the bell to engine and you'll confuse it with an oil leak. Engine oil feels like engine oil, but brake fluid has a "warming" sorta feel to it when you rub it between your fingers. So lay a clean sheet of cardboard under the Jeep, watch where the drips are falling. The best guess is that your internal slave is dead/dying, and it's hemorrhaging is getting mixed in with all the other gunk like engine oil leaks, RMS leak, etc and you can't tell the difference.
Opihi59 - i'm dropping my tranny n transfer case to replace to the slave cylinder in the bellhousing but how do i bleed it after i put the new one in? from the resevoir like the power steering?
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