Most of my friends use DOT5 and half of them just put DOT 4 out, cleaned a bit
and filled in DOT 5 and it worked and still works for 100000nd of miles. I
changed it in my cars when restored a car. So brake system was free of DOT4.
For me the positive aspects of DOT5 are much more valuable than the small risk
of spongy brakes I may have but never realised on 3 different classic cars.
You can have brake problems also with DOT4 and even more if you do not change
this stuff every 2 years.
So what, there is always a risk to drive a car which is not up to date with
current safety standards.
Josef Eckert
Konigswinter/GERMANY
-----Urspr|ngliche Nachricht-----
Von: healeys-bounces@autox.team.net [mailto:healeys-bounces@autox.team.net] Im
Auftrag von Oudesluys
Gesendet: Montag, 9. November 2009 15:47
An: Tom Felts
Cc: healeys@autox.team.net; Thomas Willig
Betreff: Re: [Healeys] Silicone DOT5 brakefluid for the 100
Tom,
You should never fill up with DOT5 if you previously used DOT3 or 4. You run
the very serious risk that the seals will perish and the system will leak like
a sieve. Thus you have to replace all the seals and hoses (and clean out the
rest of the system of course). This goes for any car.
You may have been extremely lucky.
Kees Oudesluijs
Tom Felts schreef:
> ??????? Why is this true for the 100 and not other versions? What is
different about the rubber components in the 100? I put DOT 5 in my BJ8 and
E-Type years ago and did nothing beforehand with the components. Not a leak
or brake problem since.
>
> tom
>
> ---- Oudesluys <coudesluijs@chello.nl> wrote:
>
> =============
> Replace all rubber parts. Effectively rebuilt all your wheel
> cilinders, callipers, master brake cilinder using new seals and
> renew/replace the rubber brake hoses, preferrably with Teflon SS
> braiding items from eg Goodridge.
> Kees Oudesluijs
> NL
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