Reply to "Black stuff in clutch master reservoir"

mangustaMember

I hope you're all using Girling recommended Castrol LMA DOT4 fluid???

If not, OLD DOT3 could be simply collecting moisture and what you're seeing is metal oxide? Newest DOT3 fluids may likely be synthetic now.

The Castrol LMA ("low moisture absorbing" ) will tend to be darker in color with time, but we're talking a long time.... has always been synthetic near as I can tell, for some 25 years, as long as I have been working on my GOose.....one of the first jobs I had to do because ALL of the cylinders were absolute useless crap from previous owners using DOT3!

You're supposed to flush your brake/clutch fluids out every once it a while too...........???? Suction old out of the reservoirs, fill, then flush out the lines and calipers etc via bleeders....refill as needed.......

Cheers!
Steve

1/11/2311:01 PM

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