Originally Posted by RichardV6
Originally Posted by IcePack
About 18 months ago, I pulled a front Caliper apart. You could see the water in the pistons. Dot 4 & fluid had been changed the year before.

As DOT4 is hygroscopic wouldn't the water it absorbed be wholly mixed with it Bob confused2

there is a limit to the amount of water that can be absorbed. Sort of like salt in the bottom of a glass of water.

Rodger
2018 M3W "Dreamers on the Rise"
2004 Plus 8 (wife's)
old Goldwings and a couple of Harleys