ChrisJ15
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| posted on 5/5/26 at 10:07 AM |
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Clutch Master Repair Kit Needed?
Hi,
Looking for some advice please.
I was planning to get a repair kit for my clutch master in my J15 which is a Wilwood integral resovoir type.
Reason was that I thought it was leaking and the fluid in the resovoir looks discoloured (darker).
After checking it over I think the leaking may have been because the resovoir cap wasnt fully done up.
I did it up tight and took it for a spin and cant see any new fluid.
Only thing I do notice is it makes an unhealthy creaking noise. There's no noticable difference in its operation.
So my question is would dirty fluid and noise be reasons to use a repair kit?
The car was built 7 years ago and has only done about 2.5k miles.
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nick205
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| posted on 5/5/26 at 10:18 AM |
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Was the master cylinder new when the car was built or from a donor car ?
If all was new at build then a fluid refresh could be in order.
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ChrisJ15
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| posted on 5/5/26 at 10:24 AM |
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Yes was brand new when I built the car
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nick205
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| posted on 5/5/26 at 10:44 AM |
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For the creaking noise - have you checked everything is securely fitted, master cylinder, pedal, push-rod etc.
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ChrisJ15
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| posted on 5/5/26 at 10:48 AM |
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I know the pushrod is Ok beause I recently adjusted it as it didn't have enough play. I'll check the master itself though.
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adithorp
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| posted on 6/5/26 at 09:47 AM |
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A creaking noise is unlikely to be because of the fluid. Its far more likely to be mechanical; the pedal pivots, linkage or mounts. If there was any
side with the seals you'd (normally) get a sinking pedal and/or fluid leaking from the input rod/boot.
Fluid change should be fine every couple of years and the darkening of the fluid is a direct result of moisture levels in it.
"A witty saying proves nothing" Voltaire
http://jpsc.org.uk/forum/
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