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Old 02-15-2011, 07:53 PM   #1
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Leaking Clutch Master Cyl. from cap??? WTF

Hey guys not big on making new threads but searching is coming up with nada.

Just like the title says I am having a problem with the cap. It seems like it will not seal. I can drive it on the road w/o leaking but I have to check the fluid often when on the trail because it leaks out. There is a rubber seal in the cap.

I have replaced the master cylinder twice now. I was thinking that the first one was a defective unit but the 2nd master cylinder is doing the same thing.

There is a notch cut out in the threads that would allow fluid out but shouldn't the rubber cap keep it from leaking. Can post a pic if it would help? The clutch works fine but I feel there is low pressure in the system. The clutch feels slow to engage from a stop and catches near the top.

I also replaced the clutch and in the instructions (yes I read instructions) it said something about a shim for the slave cylinder. I called the dealership and said this part is discontinued. Any idea where I can get one?

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Old 02-15-2011, 07:59 PM   #2
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probably get a shim from like any mechanic place. A shim Is NECCAsary for having the clutch. Im suprised the clutch works correctly without one. The overflowing is prob either a bad cap(go to any local parts store and grab one) or your vent hose is clogged

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Old 02-15-2011, 09:04 PM   #3
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Can you please explain more on the vent hose? This is the 2nd master cylinder from a different company and it has the same problem.

Any idea where I can get that shim??
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Old 02-15-2011, 09:05 PM   #4
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I forgot to mention that this is on a 94 YJ with the external slave cylinder.
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