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Unread 08-27-2002, 02:57 PM   #1
Kev
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Clutch bleeding tips/tricks ?!?

I had to replace the clutch slave cylinder on my Jeep, but now can't get the clutch hydraulic system bled of air. The pedal is still nearly dead (has a little pressure to hold it about an inch or two above the floorboards), but I have been unsucessful in bleeding the system. We have tried just a gravity bleed - open the bleeder and keep the master full, but nothing happens. We have bled by "pumping up" and then holding the clutch pedal to the floor while the bleeder is opened and then closed and the pedal is released.

I have been searching and some sites read that the hydraulic clutch has to be "reverse, pressure bled" by attaching a pump full of DOT 3 to the bleeder and forcing the fluid (and air) up the line and into the master. Has anyone had to do this before? Is that the only/best way to bleed a hydraulic clutch system?

TIA

Kev

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Unread 08-27-2002, 03:07 PM   #2
Paulwpetrea
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I'm wondering if the master cylinder isn't going bad. Perhaps it's bypassing?
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Unread 08-27-2002, 03:10 PM   #3
Kev
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It really wouldn't surprise me the whole problem in the first place was due to the master at this point (ie didn't need to waste the last three weeks on this , but the slave was leaking).

I checked the master cylinder before tearing into the slave and it didn't show any signs of leaking. Can it fail internally and still not show an obvious leak?
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Unread 08-27-2002, 03:23 PM   #4
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I'm not 100% sure. But, I would imagine it could, if it were just bypassing the seals. Basically pushing the fluid to the slave, but with some of it leaking back into the reservoir, I woud think.
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