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Old 03-09-2010, 07:49 PM
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New clutch no pedal HELP!!

just put in a new zf6 and luk clutch kit, at first there was NO pedal the after messing with it I have very little, so little it doesnt ever fully disengage. Air in lines? could the clutch disc be in backward? HELP? Got to drive it to work tomorrow
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Old 03-09-2010, 07:55 PM
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Originally Posted by 66fastpony View Post
just put in a new zf6 and luk clutch kit, at first there was NO pedal the after messing with it I have very little, so little it doesnt ever fully disengage. Air in lines? could the clutch disc be in backward? HELP? Got to drive it to work tomorrow
What are we working on?
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Old 03-09-2010, 08:00 PM
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Slave cylinder lost its prime?
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Old 03-09-2010, 08:15 PM
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oh yeah, 2000 7.3 zf6 4x4
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Old 03-10-2010, 07:24 AM
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Originally Posted by 66fastpony View Post
oh yeah, 2000 7.3 zf6 4x4
If there is a leak anywhere in the hydraulic system, you will need to replace the entire assembly. You buy it from Ford complete, with clutch master/line/slave cylinder already assembled and sealed. There is no method for bleeding the hydraulic system on these trucks (at least not successfully).
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Old 03-10-2010, 08:08 AM
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Originally Posted by m-chan68 View Post
If there is a leak anywhere in the hydraulic system, you will need to replace the entire assembly. You buy it from Ford complete, with clutch master/line/slave cylinder already assembled and sealed. There is no method for bleeding the hydraulic system on these trucks (at least not successfully).
I agree, I had this problem after my tranny swap. After trying to bleed the system for a few hours with no luck I went and bought a pre-bled unit.
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Old 03-10-2010, 08:49 AM
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The secret to bleeding tough slaves is to do it backwards.

Yup, push the fluid UP from the slaves bleeder to the master. Because they're kind of on top of each other, trapped air can be hard to remove as it's a race to fight the rising bubble.

Works every time! I use a Giant Syringe (I've got horses ) and by forcing the fluid in the bubble rises with it into the master.

Even a pre-bled slave can give you trouble because of the amount of air in the line.....
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Old 03-10-2010, 08:56 AM
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Never heard such a thing. Sounds like it would work! Thanks for sharing.
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Old 03-11-2010, 01:07 PM
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took everything back out to check the clutch disc, everything was fine, turned out the clutch hydraulic system want leaking but was very weak, pre-bled kit from ford fixed it right up.

Last edited by 66fastpony; 03-11-2010 at 01:08 PM. Reason: Thanks to everyone!
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