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Clutch Bleeding Issues

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Old 04-14-2010, 08:03 PM
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Clutch Bleeding Issues

What i thought was going to be a simple project has got me now wondering. I now have my motor pulled due to the engine being rebuilt. I figured this would be as good a time as any to swap out to the stainless clutch line that i had laying around since its in the open now and easy to get to.

Long story short, i placed a latex glove over the brake fluid resivor and put the cap back on. Took off the old line, and when i took the line off NO FLUID came out at all or was in the line or anywhere that i could have seen. I thought this was rather odd and installed the new clutch line.

I then moved on to bleeding the clutch. I removed the glove and cap off the fluid resivor and hooked up a brake bleed vacuum pump to bleed the line. when i created vacuum very very little fluid came out of the line and alot of air bubbles were being made. the fluid level would barely move and hardly go down. I tried this for a long time. Creating vacuum and still no fluid moving downward in the resivor.

Out of frustration, i completely removed the bleeder valve and no fluid what so ever was anywhere to be seen. no fluid coming out, and no movement from the resivor.

Anyone know what i am doing wrong or what the deal is. Does it matter that there is no pressure from the clutch not being installed since the tranny is removed? Im a little lost here. thanks for the help guys.
Old 04-14-2010, 10:01 PM
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If you have a buddy around, ask them to pump the clutch for you and remove the bleed nipple completely put your finger over the hole to see if you can feel pressure. If you feel the pressure against your finger than it should be fine keep pumping and it will eventually bleed out the air, but if you feel no pressure on your fingertip then you have an issue.
Old 04-14-2010, 10:03 PM
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No clutch ....(no engine)>


You likely blew the piston out of the slave cylinder
Old 04-14-2010, 10:24 PM
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explain please, but yes, since there is no clutch instaled the pedal just drops to the floor and stays. pops right back up if you just barely nudge it up.


there is no pumping the pedal if there is no clutch installed.
Old 04-14-2010, 10:28 PM
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come to think of it, the other day i rolled it out of the garage and the brakes went to the floor also and did not work, had to use the e-brake.

however, when changing the clutch line, wheen bleeding the brakes are solid as if you pump the pedal a few times it becomes solid. same feeling.
Old 04-14-2010, 10:28 PM
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You need something to keep the piston in the slave from popping out if you push the pedal in......

It might be OK for one pump...but it will pop out after that.....the clutch fork and PP keep that from happening when the clutch is in normal operating position
Old 04-14-2010, 10:31 PM
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but when i disconneted the ss clutch line, and or took the bleeder valve completely out, shouldnt the brake fluid have ran out and the resivor gone down???
Old 04-14-2010, 10:31 PM
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^yup (to dannobre)... same concept as if you tried to bleed your brakes and didn't have the caliper mounted around the rotor.
I've bled the clutch line once by dropping the slave cylinder and used a ring and a couple zip ties to prevent the piston from coming out.
But in any case, like dannobre said, you need something to keep the piston from coming out all the way.
Old 04-14-2010, 10:32 PM
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Only if there was fluid in the reservoir

What's up with the brake to floor thing?
Old 04-14-2010, 10:35 PM
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been lookin at the resivoir the whole time, i am sitting in the engine bay where the motor goes watching it. It never went down. i dunno what the deal as with the breaks. I rolled the car out of the garage and thats when i hit the clutch (out of habbit) and it went to the floor. I Then hit the bakes to stop the car and they went to the floor with nothing happening. I set the e brake and thought nothign of it. Pushed the car back in the garage and here i am a week later. The brakes now have pressure as if you had jsut pumped the pedal a few times.
Old 04-14-2010, 10:37 PM
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You do know the clutch has a separate partition in the reservoir.....


Old 04-14-2010, 10:39 PM
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i jsut went out and looked at the slave cylinder. i pulled back the rubber sleeve and the metal shaft was just laying inside not attached to anything.........
Old 04-14-2010, 10:45 PM
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Carefully clean it and put it back in.

You likely pushed the clutch and popped it out earlier...and drained out the reservoir....it doesn't hold much
Old 04-14-2010, 10:46 PM
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sweet, hope i dont have any more issues.. thanks
Old 04-14-2010, 11:11 PM
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Ok, turns out this was not the issue... the rod that goes inside the cylender rests against the piston and does not actually hook to it. the piston is still inside and all the way in. i followed the line off the slave cylinder all the way to the clutch mast cylinder. i removed the bolt out of the top of the master cylinder and no brake fluid anywhere. its like the fluid is not getting past the clutch master cylinder
Old 04-15-2010, 06:57 AM
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Morning bump, still having this issue.
Old 04-15-2010, 07:23 AM
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Name:  Slave.jpg
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Size:  31.3 KB

The part that would be Piece #3 is fully inside the cylinder. Could it be an issue with the spring thats inside (#4) not allowing it to extend out when the clutch is not being pushed?
Old 04-15-2010, 08:37 AM
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I would open the bleed...let it hang down....and fill the reservoir until it leaked out...then close it and bleed it after the clutch is back together.......

Otherwise you will have to keep the piston from popping out if you try to do it
Old 04-15-2010, 08:44 AM
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I have opened the bleed and hooked a vaccume pump to the bleed valve on the slave. i had never pushed the pedal throughout the whole bleeding process. Could the vacuume from the hand pump have sucked the piston in the slave to far forward and now its not releasing. when i say vacuume i mean a small hand pump for brake bleeding so its not like a ginourmous amount of vacuume to it.
Old 04-15-2010, 08:46 AM
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my problem isnt with the piston popping out at this point..... it wont come out of the cylinder, its pushed all the way in and not returning to the out position.
Old 08-04-2010, 09:34 PM
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Did you get this fixed?
Old 08-04-2010, 09:39 PM
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yeah i got it fixed. I verified all parts and pistons were in its proper locations and everything was good from that point. re beld everything and all worked out fine. I am ot sure what the issue was but it jsut happend to work all of a sudden. dunno if it was somethign in the line or what. but now all operates fine.
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