Hello All

I'm attempting to flush the brake fluid on my 1992 500E using the
Motive Pressure Bleeder... All four calipers went fine... but when
attached the bleeder bottle to the ASR bleeder valve and start the
engine... no fluid comes out... the ASR & ABS lights go on at start
up and shut off within seconds like normal... is there a trick to
getting the ASR bleeder valve to bleed? I mean NOTHING comes out... the
screw can be completely removed... nothing... the bleeder valve i'm
using is on the top of the ASR unit (cover removed) & points toward
passenger seat and reads "SP"...

Any help appreciated...thanks in advance!

-Peter