Thanks for the insight.
So the master cylinder likely has a problem inside. How difficult is
it to redo one with one of those rebuild kits? Or should I just look
into getting a new/refurbished one?
On Wednesday, May 28, 2008 at 8:59, Paul Hunt wrote:
> With a dual-circuit system I don't see how you can bleed with the
> pedal unless both circuits have an open bleed nipple, as the pressure
> from one circuit will prevent the pedal from moving far enough to
> bleed the other properly. Try constant pressure bleedinglike the
> EeziBleed, or opening both circuits, but then you would probably need
> Speedbleeders for that. having said that it wasn't long ago that
> someone had a similar problem and it turned out to be defects inside
> the master. And if no fluid at all comes out of that port with the
> pipe disconnected, then it does look like a problem inside the master.
> ----- Original Message -----
> My '79 B (with boosted brakes and the brake pressure sensor) needs
> its rear brake circuit bled. After not making any progress with
> it, I traced the problem back to the master cylinder. When pumping
> the brake pedal no fluid comes out of that port on the master
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