DOT 3 and 4 are compatible. However, Bentley specifies DOT 4. If you
have changed it to DOT 3, and have an accident, some smart-a*s
whipper-snapper lawyers could make a big deal of the wrong fluid being
used. Not worth it, in my book.

John Rodgers
88 GL Driver
Chelsea, AL

Jeff Lincoln wrote:
> Ok gang - I know the Vanagon calls for Dot 4 brake fluid but could one use
> Dot 3 temporarily just to get a bus up and running to check that other
> things are working properly? Maybe a very short test drive. Then bleed out
> the Dot 3 and replace it with Dot 4 when it's time to drive on a regular
> basis.
>
>
>
> Thanks,
>
> Jeff
> '90 Carat (Grover)
> '86 (We call this one Parts)
> '78 Bus (Melissa) Patty's Bus
>
>
>