Those who have not had any trouble when replacing DOT4 with DOT5 without
cleaning and replacing the rubber parts have been very lucky. In many
cases, but not all, it will result in complete failure. Sadly it is
impossible to predict problems.
No need for testing DOT3/4, just replace every 2-3 years will do. DOT4
is cheap enough. Keeps everything safe and moving, incl. the bleed screws.
For testing one could use strips or a refractometer. There are bound to
be other methods.
Kees Oudesluijs
NL
Op 12-10-2013 15:28, John Sims schreef:
> And that begs the question -- what is the device and where can it be found?
>
> John Sims, BN6
> Aberdeen, NJ
>
> www.healey6.com
>
> -----Original Message-----
> From: healeys-bounces@autox.team.net [mailto:healeys-bounces@autox.team.net]
> On Behalf Of Richard Collins
> Sent: Saturday, October 12, 2013 9:17 AM
> To: Oudesluys
> Cc: healeys@autox.team.net
> Subject: Re: [Healeys] Brake Fluid
>
> A friend used DOT 5 on his Ferrari not knowing it was not compatible with
> DOT 4. His brake lines became filled with a "jello" type substance and
> needed a very expensive fix.
> Also since most brands of DOT 4 are the same except for price and color,
> alternating colors helps the bleeding process.
> Re moisture content in brake fluid, I have a small inexpensive device to do
> that. Test strips are also available.
>
> Regards,
> Richard C
>
> Sent from IPhone
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