If Denis's idea doesnt pan out, check for a brake line leak. I just had this on one of my 91s.

Sent from my iPhone

On Jun 6, 2012, at 21:45, Harry Hoffman <hhoffman@IP-SOLUTIONS.NET> wrote:

> Hi All,
>
> So I was driving all today and all of the sudden my brakes stopped working.
>
> I was attempting to slow down coming to a stop sign when the pedal went
> straight to the floor.
>
> I pumped the brake pedal and got pressure back when attempting to
> depress the pedal but then eventually it the pedal went back down to the
> floor.
>
> Sometimes the pedal will drop to the floor without any resistance and
> other times there will be some resistance before hitting the floor.
>
> The reservoir is still at the max level and the emergency brake is
> holding on a incline.
>
> It's a 1989 vanagon with the bostig setup.
>
> Both front discs and rear drums were replaced ~ 1000mi ago.
>
> Help, please!
>
> Cheers,
> Harry