At 12:07 PM 8/19/2010, Luke Bakken wrote:
>The brake fluid reservoir on my '89 syncro specifies DOT 4. Can't
>speak for prior years.

'89 manual says 3 or 4, reservoir says 4.

Regardless, DOT 5 is totally forbidden.  It's completely different
and incompatible.

I believe it's safe to say that 4 may be used in any application
where 3 is specified.

Yours,
David