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Clutch Slave Cylinder Failure
Mike Arman commented about frequent failure of clutch slave
cylinders in his car. Fom his text, it's clear that this unit uses
brake fluid - and he commented at length about DOT3 making it
leak and DOT4 helping it to last longer.
Mike, based on my experiences with the Datsun 240/280.280ZX
series, I recommend using silicone brake fluid in the clutch
assemblies. No problems with moisture accumulation (which
seems to be the Datsun's Achilles heel) and we all know the
preservative qualities of silicone for seals. Although it has a lower
boiling point than the latest conventional DOT brake fluids, that's
not an issue in the clutch assembly because you don't work it hard
enough to elevate the temp to the point that this become an issue.
Can't say with conviction that this will solve Audi clutch cylinder
problems -but it sure took care of those in my 280ZXT! And all it
costs you is a bottle of brake fluid and some clutch draining and
1958 Fiat 1200 Spyder "Transformabile"
1983 Datsun 280ZXT
1990 Audi 200