<VV> Dexron in brake system ??

[Chris & Bill Strickland]

< <  One of the great features of the mineral-oil fluid is that it is 
not hygroscopic (doesn't absorb water), so it tends NOT to rust the 
braking-system components. Seems like a good feature to me.  > >

Sounds like someone recently emptied the looney bin -- why did they all 
descend here?

Dexron, mineral oil, etc -- are you folks plain crazy or just suicidal? !!!

Brake hydraulic systems are not sealed -- the cap on the master cylinder 
vents to atmospheric pressure -- Moisture, in the form of humidity can 
enter here, just like it does in fuel tanks. It then condenses into 
droplets. If these droplets are Not absorbed by the brake fluid, they 
can make their way to your wheel cylinders, where temperatures can 
frequently exceed the boiling point. When that drop of water suddenly 
erupts into vapor, you just lost your brakes! Most people would not 
consider this to be a safe way to operate a motor vehicle.

Likewise for Dexron, ATF, motor oil -- it destroys (swells) the rubber 
components of your brake system -- you know, wheel cylinder cups, brake 
hoses, some disc brake piston seals, and the rubbers in the master 
cylinder. The recommended repair is a replacement of the *complete* 
hydraulic brake system -- all lines, cylinders, hoses, valves -- Lord 
hope it's not ABS ...

Many Girling brake systems, found especially on many older English cars 
and also Fiero hydraulic clutches, *require* certain Girling or Castrol 
brake fluids *only*, for the same reasons as above.

Glycol-based hydraulic fluid may seem so "crude", but it works. Silicone based hydraulic brake fluids may work in some applications. Dexron, water, mineral oil and other non-specific fluids DO NOT WORK! DON'T USE THEM! DON'T EVEN *THINK* ABOUT USING THEM!!!

Bill Strickland