Synthetic Dot 4 is fine.  Flush if its been a long time, bleed all the ports
anyway, just to get the water out of them.

On Dec 6, 2007 7:29 PM, AAG - Larry Word <word_aag@comcast.net> wrote:

> all good info. BUT now I'm confused again....see below.  DOT 5 is silicon
> base, correct and not compatible w/ glycol based Dot 3-4 BUT what they
> sell
> now at Adv. Auto is synthetic Dot 3 & 4 and they it's compatible w/ my old
> stuff...that was where my original ? started.....Can we get an authoritive
> final concensus on this brake fluid?
>
> In fact, I cannot located anything but synthetic at my FLAPS.....few old
> time cans but majority is now sythetic?
>
> Larry
> Ga.
>
> ----- Original Message -----
> From: "Jake de Villiers" <crescentbeachguitar@GMAIL.COM>
>
> > "Dot 5 is silicone based..."
> >
> > On Dec 4, 2007 8:04 PM, Dennis Haynes <d23haynes57@hotmail.com> wrote:
> >
> > > Normal brake fluid is glycol based. Dot 4 is a higher performance
> standard
> > > and is VW recommended. Dot is silicone based is not compatible with
> DOT
> 3
> > > or 4.
> > >
> > > Dennis
> > >
>
> > > Subject: 85 Vanagon - DOT brake fluid, DOT 3 vs. 4
> > >
> > > Ok...it appears "most" brake fluid now is synthetic, agreed?
> > >
> > > If so, and I have the old DOT 3 in my system, must I flush all that
> fluid
> > > out to get consistant synthetic-only fluid?
> > >
> > > Any can anyone tell me of a case where synthetic DOT 3 was NOT
> adequate
> > > for the job of stopping our small vans....
> > >
> > > Larry
> > > Ga.
> > >
> > > PS. I'd like to stay with what I've already got in the system,
> synthetic
> > > DOT 3 and I have a hard time believing my little daily driver van
> needs
> a
> > > HP, hi-temp. brake fluid so tell me how I'm wrong?  Any case studies
> where
> > > DOT 3 was not adequate....
> > >
> >
> >
> >
>

--
Jake
1984 Vanagon GL
1986 Westy Weekender "Dixie"
Crescent Beach, BC
www.crescentbeachguitar.com
http://subyjake.googlepages.com/