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Re: [Mgs] Hydraulics

To: "Paul Root" <ptrmgb@gmail.com>, "MG List" <mgs@autox.team.net>
Subject: Re: [Mgs] Hydraulics
From: "Paul Hunt" <paul.hunt1@blueyonder.co.uk>
Date: Fri, 10 Jun 2011 09:14:26 +0100
You don't need to mix the fluids to get that.  You will get moisture inside
a DOT5 system exactly the same as with a DOT4, it's just that it won't get
distributed through the fluid with DOT5, just lie in the pocket you mention.
The difference is corrosion throughout the bore with DOT4, or localised with
DOT5.  What mixing the fluids causes is sludging.  And then there is the
wonderfully logical naming of DOT5.1, which is incompatible with DOT5 but
compatible with DOT4!

But all this is irrelevant, loss of fluid is caused by a failure of a seal.
And if repeated failures are happening despite *replacing* the units
(rebuilding doesn't always work) then there is something very wrong
somewhere.  To be caused by lack of use it would have to be owned by Rip van
Winkle.

PaulH.

----- Original Message ----- 
> Regular brake fluid hydroscopic and absorbs water. DOT5 does not. If you
> mix
> the fluids you can wind up with a pocket of water laden DOT4 somewhere in
> the
> system.
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