Carl,
The biggest advantage is that the DOT 5 will not eat paint like the Dot4 and
before will.
Joe
"Musson, Carl" wrote:
>
> TeriAnn (et al) - if one has replaced all rubber and brake lines is there an
> advantage to changing to DOT5 vs. reverting to DOT4.
>
> Thanks
> Carl
>
> -----Original Message-----
> From: TeriAnn Wakeman [mailto:twakeman@cruzers.com]
> Sent: Monday, August 21, 2000 1:40 PM
> To: Pat; TRlist
> Subject: Re: Brake fluid DOT4 or 5 ?
>
> >I don't know much about brake fluid. I read in a web page that the person
> >used DOT5 rather than DOT4.
> >
> >Am I correct in that DOT5 does not peel off the paint ?
>
> Correct
> >
> >They also said that to convert to DOT5 they had to use all new "Rubber".
> >What does this mean, all new rebuild kits that have rubber ?
>
> This means replace ALL rubber that comes in contact with the brake fluid.
> I had a lengthy conversation once with the person who wrote the test
> report for a fesibility test on using silicone hydraulic fluid for
> automotive brakes. Brake fluids react with the rubber changing it's
> characteristics. Traditional and silicone brake fluids react with rubber
> in different ways. Rubber seals that have been immersed in traditional
> brake fluids will almost always leak soon after being introduced to
> silicone fluid.
>
> So yes you should clean out the system (flush it with alchohol ideally),
> clean then rebuild all cylinders with new rubber and replace the brake
> flex lines when converting from traditional brake fluid to silicone brake
> fluid.
>
>
> TeriAnn
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>
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