Quote:
Originally Posted by Mandingo
Does anyone know if black deposits (almost like a fine black silt) in the bottom of the clutch fluid reservoir is a sign of seals wearing out on my master or slave cylinder? I am running the stock dot 3 fluid. Flushed about 6 months ago.
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Hi Mandingo,
The silt could either be decay from the black hose connecting the Clutch fluid reservoir to the Master cylinder or as you suspect, pieces of the O rings and/or the seals in the master cylinder or the CSC.
I'm not a mechanic by trade so those are my best guesses. I did watch a video the other day when a guy bled the old fluid out of his G37 clutch line and the mechanic was wiping out the black silt in the reservoir that you described, he didn't make any comment about it's origin. I don't know if it's normal wear and tear, the clutch does get a lot more sloshing around than the brakes so the fluid could theoretically move from top to bottom on a regular basis.
I found the video again:
http://www.youtube.com/watch?feature...&v=1A9fsdoAngI