Theodore R. Stevens wrote:
>
> I can't find the reference right now, but I recall reading that "DOT
> 5" was actually a *brand name* for a silicone brake fluid, and at least
> didn't start out as a US Dept. of Transportation designation. Is there now
> truly a DOT 5 designation for silicone fluid, or is it just a
> manufacturers' convention to call it that?
There is indeed a US gov't standard for DOT 5 brake fluid. If you have the
patience, go to
http://www.access.gpo.gov/nara/cfr/cfr-retrieve.html#page1 and request Title 49
CFR 571.116 .
It also mentions DOT 5.1 fluif.
Randall
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