[Mgs] Hydraulics

[Hans Duinhoven]

You're quite right Paul.
The difference is , that moisture will not mix with the fluid as DOT 3 and 4 
will do.
About the scalding the paint - yes you're right again.
This is my experience, though the damage is not as bad as DOT3 and DOT4.

Cheers,

Hans

----- Original Message ----- 
From: "Paul Hunt" <paul.hunt1 at blueyonder.co.uk>
Cc: <mgs at autox.team.net>
Sent: Saturday, June 11, 2011 3:05 PM
Subject: Re: [Mgs] Hydraulics


> Surely the only advantage of DOT5/silicone is that is doesn't attack 
> paintwork, but it's disadvantage is that it is more compressible than 
> glycol giving a spongier pedal.  Moisture will get into all brake systems 
> regardless of fluid type, and it will lower the boiling point of all of 
> them.  Because silicone isn't compatible with ABS generic car parts places 
> like Halfords in the UK don't stock it any more, stocking just DOT4 and 
> DOT4.1, the latter having a higher boiling point than DOT4 or DOT5, and 
> less compressible than DOT5.  However it still attacks paintwork as far as 
> I know.
>
> ----- Original Message ----- 
>> Since over 15 years I use silicone brake fluid in my BGT's brake system.
>> Works well with the combination disks / drums.
>> Never failed and the advantage is, that this fluid is not hygroscopic - 
>> i.e. does not attract water.