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hydraulic clutch


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gahumble
User

Dec 28, 2021, 3:11 PM

Post #1 of 7 (1541 views)
hydraulic clutch Sign In

1996 ford f250 zf5 trans. i replaced clutch assembly and concentric slave and t/o bearing. bled and bled by gravity and vacuum pump. no air but cant get a good pedal and stays to floor


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Dec 28, 2021, 3:14 PM

Post #2 of 7 (1537 views)
Re: hydraulic clutch Sign In

You definitely still have air in it. They are very difficult to bleed because the bleeder is at the bottom and the air rises to the top. Try continuously pumping the clutch as that sometimes works the air out of the top. Don't give up. It takes a lot.



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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



(This post was edited by Hammer Time on Dec 28, 2021, 3:14 PM)


gahumble
User

Jan 3, 2022, 9:26 AM

Post #3 of 7 (1453 views)
Re: hydraulic clutch Sign In

Obtained some pedal and it returns now. I may try a master.


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Jan 3, 2022, 10:03 AM

Post #4 of 7 (1446 views)
Re: hydraulic clutch Sign In

You can try but that will bring you back to square one for bleeding.



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



Tom Greenleaf
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Jan 3, 2022, 11:50 AM

Post #5 of 7 (1433 views)
Re: hydraulic clutch Sign In

For what it's worth I've never had one "partially" work? If so it would be different hot or cold?? It's still has air is more likely just less now.

HT said up top they stink and do. I've gone off the wall and said just put the truck on its roof and bleed it that way - just kidding,

Tom


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Jan 3, 2022, 11:53 AM

Post #6 of 7 (1428 views)
Re: hydraulic clutch Sign In

He's not taking me seriously about how hard these things are to bleed. It won't be any easier with the new master unless that one was bad but I'm betting it isn't.



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



Tom Greenleaf
Ultimate Carjunky / Moderator
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Jan 3, 2022, 12:04 PM

Post #7 of 7 (1422 views)
Re: hydraulic clutch Sign In

It's not just us! A maybe to help? Try putting sealing tape or that thick molassas type old gasket stuff on threads of bleeder. Air could get in thru threads those are NOT made to seal at all the bottom point of a bleeder seals it shut off - know that.

It really can leak out the threads they are not "plumbing" yet used for hydraulics should be I guess long too late bleeders have been designed and will stay that way. Lots of types of threads, hex to grab other things it's either right or isn't like doesn't fit or stripped out - not likely if it holds snug when tight, Tom






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