DeTomaso Mailing List: February 1997, Message #198
     



From: "James M. Rethwish" <reth@pillar.nosc.mil>

Subject: Re: Brakes- Fluid- Dot 3,4,5???

Date: Fri, 28 Feb 1997 10:56:50 PST



I'd like to see some discussion on this as well.  I've heard from

many sources over the last year or so to absolutely NOT use

silicone-based fluid.  Not being sure who to believe and why,

I just run Castrol DOT 4 (glycol-based) and keep it clean.

Jim

'74 #7104





> Date:          28 Feb 1997 10:51:00 -0800

> From:          "Steve Liebenow" <steve.liebenow@eur.ericsson.com>



>   A recent contributor recommended flushing the system every 3 years or so. In that light, where do recommendations stand in regards to the different DOT versions?

>

>   I know that DOT 5 is a silicon based fluid that is resistant to water retention, which is a problem with DOT3 fluid. This is why your fluid comes out looking like dirt after only a short while in

>   DOT 5 is typically reserved for motorcycles and is not recommended for autos due to heat problems of some sort. It would seem to be the magic cure for rust prevention in cars driven little, if it

>

>   In one of my recent projects, I started using a Castrol DOT 4 fluid which is supposed to "exceed DOT 3 ....blah blah"  It claims to resist water absorbtion better than DOT 3 and perform better....

>

>   Any scientists out there that can shed some light on this situation?

> Steve

>

>