pressure to rear brakes

  1. Did I miss the Pressure 101 physics class (?)

    Brakes, Suspension & Steering
    Bottom Line: I am not showing any pressure to the rear drum brakes. Components- New MC, new prop valve (the valve on the frame with the 5 ports and the brake warning switch), New booster. Note- HOWEVER, it had the same problem before replacing these components. What we have done: bench bleed...