I simply open all the wheel cyl bleed valves. Then fill the master cyl. and let gravety do the job. after fluid starts leaking from a bleed valve close it. then do the same to the remainder as they fill. Then I get someone to pump the brakes until they get pedal. Then open the bleed valve farthest from the master cyl. And continue the mash it & hold it until no more air bubbles excape. Then bleed the next farthest from the master cyl. and continue until every wheel cyl has been bled. Yes it wastes fluid. But it also flushes the entire system with fresh clean fluid. and you know for certain that every wheel cyl is receiving fluid pressure.