Help with Clutch Bleed

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Aug 26, 2006 | 01:32 PM

1179

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Help with Clutch Bleed

Broke the plastic end of the master cylinder push rod. Had to replace the master cylinder to get a new one. Went well but only get movement at slave cylinder on last 1/2 of pedal travel, not enough to disengage the clutch. Disconnected line at slave cylinder and good fluid flow. No better. Took off slave cylinder and stroked it--no better. Any ideas. Neither the master or slave has a bleeder screw that I can find

Aug 26, 2006 | 02:49 PM

1179

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I took the slave cyl off of the tranny again. This time by holding the slave port upwards and stroking completely I got some more air out, but still not enough to get into or out of gear. The clutch finger moves 5/8" from rest to full stroke (what is the spec for this?)( it was only 1/2"), but the pedal still doesn't start feeling resistance until about 1/2 stroke. This truck has 150K on the orginal clutch. If the clutch is shot wouldn't it slip? rather than not engage?
Thanks for your suggestions

Aug 26, 2006 | 09:39 PM

Boss429F150

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year of truck? my 89 I6 cyl. has the bleeder right on the slave cyl. Sometimes clutches can be a little difficult if there is air trapped in there.

Last edited by Boss429F150; Aug 26, 2006 at 09:42 PM.

Aug 27, 2006 | 08:37 AM

MustangGT221

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From: Topsfield, MA

There is a bleeder screw on the slave cylinder that sticks out of the tranny with a cap on it.

Gravity bleed it through that bleeder.

Aug 27, 2006 | 10:05 AM

1179

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93 F250 Turbo diesel--slave is external, so only connected with the tranny at the mounting bracket, piston rod contacts clutch finger.

Aug 27, 2006 | 12:54 PM

MustangGT221

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From: Topsfield, MA

then you may not have a bleeder screw, i duno...i've never done one of those...

Aug 31, 2006 | 07:03 PM

Bender1987

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My 1987 F-350 4 speed has a set screw bleeder, right where the line goes into the slave cylinder, I don't know if yours is the same. It's a real pain in the posterior, and takes a lot more work than bleeding brakes.