Originally Posted by
onehundred80
Dot 5 eats some seal materials and as stated by Boiler will not mix with DOT 3 and 4 fluids as it forms clots of sludge. Flushing will leave pockets of DOT 4 behind and that can't be good.
Any water that got into the DOT 5 system by some freakish manner remains as water and will corrode the metal, freeze and boil.
Manual says DOT 4 and that's good enough for me.
Required brake fluid is DOT 4+......and yes there is a difference