[xj40] ATF vs. HSMO vs. Brake Fluid

ATF is not hygroscopic. That is why it is so often used in hydraulic
systems. If it were hygroscopic it would certainly be unsuitable for
use in automatic transmissions, its primary application. Mineral brake
fluid (DOT3/4) is highly hygroscopic, somewhat less so for Castrol LMA
(Low Moisture Absorbtion) specifically.

-David
1994 XJ40 4.0L__________________________________________________
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