sooo.. anybody have a good technique for bleeding these hydraulic clutch lines? -
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Go Back > General Technical Discussions > Engines & Drivetrain > sooo.. anybody have a good technique for bleeding these hydraulic clutch lines?

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Unread 04-28-2014, 08:57 PM   #1
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1995 ZJ 
Join Date: Oct 2013
Location: , Missouri
Posts: 70
sooo.. anybody have a good technique for bleeding these hydraulic clutch lines?

Swapped an AX15e into my ZJ in October it was awesome so much fun to drive but I was in such a hurry I forgot to replace the throw out bearing. Last weekend replaced that and why not a rear main seal and oil pan gasket for my oil leaks. Thank god I did that. Anyway, after reinstalling the trans.. it made a wobbling/ticking noise with the clutch engaged (pedal all the way up) and would disappear when the pedal went in.. I thought maybe the slave( that came with the jy trans cause no one local had it in stock just left it there) was not allowing the fork to return and had the TB resting up against the pressure plate but not hard enough for the self centering bearing to center. Makes sense right?

This is another question I have, in the AX15, should there be some kind of return spring for the clutch fork? Or does it just ride the pressure plate? I've only ever worked on internal slaves so not sure 100% all of the clutch fork setup.

Now just what the title is- bleeding out these hydraulic systems that have no bleeder valve?

I bought a new slave and line since its stocked now at 1 local store. But I'm having lots of funbleeding it. I did a nice bench bleed and seemed to work, reinstalled the unit and more bubbles came up, not enough pressure to disengage the clutch. Pulled the slave out and pumped it a few more times, reinstalled now it has just enough press ure to allow me to force it into gear, just like when the TB was bad. After replacing the TB it shifted all gears smooth it just made that noise. It's frustrating having more hours into working on these hydraulics than it took to drop the tranny, do a rear main and TB!

Please tell me there's an easier way.

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Unread 05-02-2014, 08:21 PM   #2
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Nobody has anything? I've made no progress yet
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Unread 05-06-2014, 12:45 AM   #3
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Join Date: May 2009
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the slave/master are designed as a single unit. the whole thing is replaced. haven't heard too much about being able to successfully bleed the sealed system. the TB is designed to ride on the pressure plate fingers, theres a spring in the slave that is 'supposed' to supply the necessary preload pressure.
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Unread 05-10-2014, 11:53 AM   #4
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Install slave to master cylender. Take slave cylender in hand and force rod in and release several times. It will push air out suck fluid in keep it full
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