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Slave Cylinder Bleeding

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Old Oct 27, 2005 | 10:50 AM
  #1  
hoghead99's Avatar
hoghead99
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Default Slave Cylinder Bleeding

I recently replaced my 98 accord's clutch, flywheel, slave and master clutch cylinders. The mechanic tried to bleed it two ways: he tried to bleed it like you would bleed a brake cylinder. He then tried to bleed it with the clutch depressed for 5-6 hours. Both seem to not be working. Besides firing this mechanic, does anybody have anybody advice on bleeding this cylinder? Thank you.
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Old Oct 27, 2005 | 05:56 PM
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First, fill the master cylinder and open the bleeder.
wait till fluid comes out, close it.
make sure there's about 3/4 fluid in the master, put the cap on.

push the slave in with your hand on the release fork, let it come back out, do this several times, watching the fluid level. You should see bubbles in the master.

Try and depress the pedal, you should get something, then have someone sit in the car, and pump it, crack open the bleeder and remove the air.

You will have to pull the pedal back by hand to get it to repump.

Make sure to fill the master, and then cycle it with your hand again. It should easily come back out to touch the release lever when it has less air. You should see no bubbles going back to the master when you cycle it manually.

then once it feels almost normal, depress the pedal and hold, crack the bleeder, if it's clear of air, you're done. You'll need to pull back the pedal and it may take a pump or two to regain normal feel.
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Old Oct 28, 2005 | 01:56 AM
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bleed it the same as brakes.

fill the resevior, open the slave bleeder, pump and refill, pump and refill never allowing the resevior to go empty. pump and refill till theres no bubbles and steady stream of fluid coming out when you pump.
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Old Oct 28, 2005 | 07:29 AM
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When you're doing this, the pedal doesn't spring back up, like RedThunder says. When you pull the pedal up with your hand, keep it controlled. If you let the pedal snap quickly up, you have a risk of sucking air in thru the MC shaft seal.
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Old Oct 28, 2005 | 08:44 AM
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maybe you have another leak somehwere?

depressing the clutch for that long is going to wear out the throwout bearing...
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