found the location of my brake master cylinder leakage and wondering if
anybody can shed some light as to what may need to be replaced.  1980
westy.

to recap:  after a hard brake noticed brakes seemed "soft". checked
fluid and it was very low and a puddle of fluid appeared on my mat by my
feet.

took gauge cluster out, removed steering column cover.  inspecting brake
master cylinder. saw a small hole (looks like it belongs there) on the
brake master cylinder, centered between the two bolts that hold it onto
the big round black thing (vacuum boost?)  when i pump the brake pedal
hard you can see brake fluid moving in and out of this hole (doesn't
squirt out)

Qe:  is this hole a vent for one side of the booster diaphragm?  What
does fluid coming out of this hole mean?  do i replace just the brake
cylinder or the hole master cylinder/boost assembly?  Brakes feel fine
now and no further leakage, but just the same as it's been very nice
here (philly area) i've been driving my conv.

thanks
 eric
henning@fp.com
80 westy