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bleeding clutch issues

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Old May 11, 2013 | 08:48 PM
  #1  
sing's Avatar
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Default bleeding clutch issues

have read many threads but none seems to find out their problem and other dont relate. the way im bleeding it.

Get the silicone hose and connect it to the bleeder on the slave cylinder, put it into a bottle and fill the bottle with brake fluid. Open the bleeder screw and pump the clutch fluid in the system while it's open. Close bleeder screw when finished. Make sure reservoir is always topped off.

my issues

theres no leak. clutch system working fine with old setup(coupe of years now). bleeder srew open and line attached to end, other end into a bottle of brake fluid. reservoir filled halfway due to pumping clutch fluid will shot up. im guessing due to air in the system. now problem is fluid will not fill up the reservoir from pumping and fluid still shooting like air in system. pump for hours with same issues and no results. plan A is to replace slave. lmk what yal think, thank you

update

ok gravity bleeding at the moment. im getting just a drip every few second. gonna go check on it n about 15 mins. what should i be expecting? consistent drips or a solid flow? after 15-20mins still only getting drips every other second and reservoir level havent moved well not notable.

Last edited by sing; May 11, 2013 at 09:36 PM.
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Old May 12, 2013 | 04:13 AM
  #2  
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I've always had a friend in the car and push pedal to the floor. While you open the bleeder screw make sure ur friend is still holding pedal to the floor. Once fluid squirts out tighten screw. Get friend to bring pedal up and pump a few times. Then repeat the above until air is out. If the pedal is being pumped while the bleeder screw is open your working against yourself by bringing air back in the hydraulic system.


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Old May 13, 2013 | 12:07 AM
  #3  
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Default Re: bleeding clutch issues

this is the procedure I use and it works every time

fill reservoir to the max line...open bleeder valve...tell assistant to push clutch down to the floor AND HOLD IT ON FLOOR UNTIL TOLD TO PULL BACK...close bleeder valve....tell assistant to pull clutch pedal back...redo..after three of these....refill reservoir to top..if the reservoir ever gets low it will pull air in and you will need to redo the entire system

it's best to tell the assistant what to do and watch them as you do a practice yell of "down....ok..now pull up"... and see if they do what you say..if they let the pedal up before you tell them to pull up then hit them in head or threaten not to buy that six pack of beer you promised them for their fifteen minutes of time
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Old May 13, 2013 | 12:10 AM
  #4  
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Default Re: bleeding clutch issues

also i have never put the other end of the bleeder hose in any container that was already filled with fluid...this isn't necessary at all

it probably takes about four or five refills to do the entire system
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Old May 13, 2013 | 05:06 AM
  #5  
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Default

I have once but the tube doesn't always fit securely over the bleeder screw. I find our above method pretty simple and straight forward.


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Old May 13, 2013 | 06:10 PM
  #6  
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Default Re: bleeding clutch issues

Originally Posted by holmesnmanny
this is the procedure I use and it works every time

fill reservoir to the max line...open bleeder valve...tell assistant to push clutch down to the floor AND HOLD IT ON FLOOR UNTIL TOLD TO PULL BACK...close bleeder valve....tell assistant to pull clutch pedal back...redo..after three of these....refill reservoir to top..if the reservoir ever gets low it will pull air in and you will need to redo the entire system

it's best to tell the assistant what to do and watch them as you do a practice yell of "down....ok..now pull up"... and see if they do what you say..if they let the pedal up before you tell them to pull up then hit them in head or threaten not to buy that six pack of beer you promised them for their fifteen minutes of time
This is exactly the way I do it and it works everytime. I did have a stubborn one though once...it somehow had some trapped air somewhere and no matter what I did, I couldn't get the pressure to work. Finally, this was the fix: do exactly like the above poster said...if after the 3rd or 4th try, you still have no pressure in the clutch pedal, and your assistant is having to "pull the pedal back up" everytime...fill the resovoir cup, open the bleeder valve and have your assistant PUMP THAT PEDAL LIKE A TEENAGER PUMPS HIS...well, you get the idea. Push, pull, push, pull in rapid succession for like a dozen strokes, on the last stroke, have them hold the pedal down, then while the pedal is being held down, tighten the bleeder valve and fill the resovoir again. When he lets up...the pedal should come up on its own. If it doesn't, try the whole procedure again but always make sure you keep the cup full of fluid. BTW, I remember seeing tiny little foam air bubbles come out the clear tube i had attached to the bleeder valve while my assistant was PUMPING LIKE SEABISCUIT. These tiny litle foam looking air bubbles can cause a real headache. Good luck.
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Old May 20, 2013 | 05:28 AM
  #7  
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Default Re: bleeding clutch issues

Really glad I found this thread yesterday. Swapped transmissions and could not get the clutch to bleed despite trying the conventional method for at least a 1/2 hour.

Originally Posted by smit7277
BTW, I remember seeing tiny little foam air bubbles come out the clear tube i had attached to the bleeder valve while my assistant was PUMPING LIKE SEABISCUIT. These tiny litle foam looking air bubbles can cause a real headache. Good luck.
I tried your method smit and indeed, lots of foamy bubbles came out of the slave cyclinder. I let it gravity bleed for another ~30 minutes after that and, voila, pressure came back.

I've detached this slave cylinder from the transmission at least half a dozen times on this car and never even had to bleed it afterward. Why, this time, did air find it's way into the system, and why was it so badly trapped?
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