it's a broken line somewhere (or broken slave/caliper cylinder).
Unless of course it doesn't loose all of it's fluid, then it could just be
crazy amounts of air in the system.
Gravity blead it to make sure you have fluid at every spot, then go from
there.

-Craig
'85GL turned WESTY
BOSTIG in the back

On Sun, Mar 7, 2010 at 5:32 PM, David Marshall
<mailinglist@fastforward.ca>wrote:

> I can push the brake pedal to the floor and nothing happens.
>
> My
> TriStar sat for about 3 years and when I went to move it the brake pedal
> want to the floor.  So, I got a known to work master cylinder and
> installed it and still no matter how much I pump, the pedal has no
> resistance and goes to the floor.  (Engine on or off)
>
> What's wrong?
>
> David Marshall
> VW Adventure Driver and BMW
> Adventure Rider
>
> HasenWerk
> http://www.hasenwerk.ca
>