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post #1 of (permalink) Old 02-12-2001, 12:34 AM
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Hydraulic clutch problem need help ASAP - results

Results - Went up the hill, added brake fluid, bled it a bunch and there was a lot of air. Saw no evidence of any leak but there must be somewhere. Got a little pedal, enough to get into reverse and then first gear. Soon as it got into 1st, off it went, working the clutch was to no avail, it just kept on going, headed down a fairly steep road. The fellow I am trying to help is pretty old, not great reactions, but... he was quick enough to shut off the key and get the thing stopped. After that he was too shaken to try anything but call a tow truck. $125.00 later it was at the shop. Not too bad for the tow driver having to negotiate 5 miles or so of nasty road, then tow the thing back down. Thanks for all the input, we tried.
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post #2 of (permalink) Old 02-12-2001, 05:25 AM
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Re: Hydraulic clutch problem need help ASAP

sounds like one of the cylindes isnt working.. what you have is a master cylinder.. the one you put the fluid in.. when you press the clutch... it pumps that cylinder and the fluid goes down to the slave cylinder.. which in turn operates the throw out fork.... usually when they go bad... they will leak fluid all over.. atleast mine all did..

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post #3 of (permalink) Old 02-12-2001, 07:26 AM
 
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Re: Hydraulic clutch problem need help ASAP

If he has a slow leak, or even just normal leakage past the seals and he never checked the level, it could be empty enough to have too much air trapped in the system, even after a refill.
A simple bleeding of the slave would probably solve his problem, or even pumping the pedal a couple dozen times might make it drivable.
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post #4 of (permalink) Old 02-12-2001, 08:10 AM
 
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Re: Hydraulic clutch problem need help ASAP

Definitely bleed the slave! Do it like you're bleeding brakes, except push the clutch. Push the clutch to the floor 3 times and hold it, release the bleed nut (7/16" wrench?) on the slave cyl (mounted to the tranny), tighten the nut back up and start over again. Do this until you get a solid stream of brake fluid coming out. You should be able to at least get it home. This is what it took on my brother's cherokee, ended up having to replace the slave cyl after we got it home.
good luck,
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post #5 of (permalink) Old 02-12-2001, 08:24 AM
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Re: Hydraulic clutch problem need help ASAP

I had the same problem with my 91 YJ, the seals were gone and couldn't build up any pressure. Replace the clutch master cylinder is pretty easy and small job. The part is pretty cheap, I think around $100.00 from local dealer.

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