clutch master cylinder -
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post #1 of 2 Old 05-22-2013, 09:16 PM Thread Starter
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1988 YJ Wrangler 
Join Date: May 2013
Location: Charleston
Posts: 21
clutch master cylinder

put a new master cylinder in the yj last weekend, no longer leaking inside , but the clutch pedal has no pressure sometimes...i can pump it and the pressure builds fine, only thing I see that loses the pedal is if I let the clutch pedal come all the way to the top hard. I am 99% sure I have no air in the line...bled it, bled it some more, gravity bled it, bled it again..get my drift. I can drive all day as long as I don;t let the clutch pedal come up hard and I never lose pressure. Is there a spring or adjustment to the pedal? I have adjusted to driving it as it only takes 1 pump of the pedal to have all the pressure back again. I'm leaning on a bad MC, clutch works fine, no grinds, no leaks..I'm at a loss, its a jeep, so i drive it until something really needs to be fixed

SN...removed the track bars, noticed a little difference, not the Cadillac ride some describe, but better none the less, I left the sway bar on as i drive 26 miles a day on interstate...+1 for free upgrades

88YJ, 3 inch life 33x12.50 MT MTZ 93 4.0 swap 5spd, I'm not sure if the tranny and xfer case are from the 93

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post #2 of 2 Old 05-23-2013, 06:11 AM
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1995 YJ Wrangler 
Join Date: May 2011
Location: Baltimore
Posts: 3,776
How old is your slave cylinder. If it was more than a few years old the greater pressure in the MC probably is killing the seals in your slave

1995 YJ. 2 inch BDS Spring lift. 1 inch shackle lift. 1.25 inch JKS Body Lift 33x12.5x15's. Engo 10,000 pound winch.

Originally Posted by Magnum View Post
I gave the Jeep the required offering of $$, sweat, and blood, and everything works fine now. -- Jim
Originally Posted by ldso View Post
. It started with a $200 axle, and a few thousand dollars later I was done :)
Originally Posted by Luuca View Post
diagnose the real issue before you start going all Obama on it - spending mad cash you'll need for other important things.

Ask me how I know...
Originally Posted by Overhead View Post
this is also my second set of RC springs this year. I'd rather spend the money again and get something that will last.
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