Originally Posted by frankie591
He said in another thread that he deleted the bias valve as well as the booster.
Your over thinking it, in a hydraulic system the fluid pushes and pulls, that's why there can be no compressible gas, just fluid in the lines, bias affects the amount of pressure applied, and if more is applied then more return pressure will be there when the pedal lifts up. The pressure does not remain build up or the brakes would not release.
It's a seized calliper that all