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Master Cylinder - Causes of Failure?

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Old 07-24-2008, 01:47 PM
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Default Master Cylinder - Causes of Failure?

what can cause a master to fail?

I've been having disengagement issues lately. I contacted the clutch maker and they said they have found my clutch to be too heavy for our hydraulics, so I get a new one with a lighter PP.

My question is whether running that heavy PP could have worn out my Master Cylinder with the 5-6k of use?
Old 07-24-2008, 07:12 PM
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I would think that it would overpower the slave first, but seems reasonable that it could put additional wear/tear on the master as well. What suggested remedy did they give you if you had opted not to change clutches? Mcleod master? I wouldn't think it would be that much different in that the master does not displace a significantly greater volume of fluid as far as i know.
Old 07-24-2008, 07:51 PM
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the slave did fail

they had no suggestion, since nobody makes an adjustable master for the GTO's yet
Old 07-24-2008, 08:37 PM
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What is the issue you are having? Mine just won't go into gear at high RPM's. If I rev it up in gear with the clutch depressed the car will roll so the clutch must not be fully disengaging.

I'm using the Spec Stage 5 also. I'm praying it just needs to be bleed more. I seriously might loose it if I keep having issues with this thing.
Old 07-24-2008, 08:53 PM
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did you install the shim? if you did, take it out

this is for my RPS clutch on my GTO, not in my sig yet
Old 07-24-2008, 09:04 PM
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Nope, didn't install the shim. Hopefully it just needs to be bleed more. I just freaked out when I saw Spec 5 in your sig.
Old 07-25-2008, 06:19 AM
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My spec 5 works great...after I took the shim out lol



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