Did you bench bleed the new master? If not, you can do so in place by bleeding at the first fitting after the cylinder. This raises dangers to the paint if you are not using DOT5 fluid, so you might want to dismount the cyl and do the bench bleed. If the master is not moving fluid, you can't bleed the system. You can try just opening a couple of caliper/wheel cyl bleeders and let it sit, hoping that fluid will start to weep out. If it does, you will know that the barrel of the master has fluid in it. On technique at the wheels, you can have a pedal pumper in place, open a bleeder, call for one downstroke and hold on the pedal, close the bleeder, call for release of the pedal and repeat. Or, you can call for the pumper to pump a few strokes and hold, open the bleeder, close the bleeder, call for pedal release, and repeat. Or, you can fit a tight clear tube to the open bleeder, put the other end of the tube in a clear container of brake fluid and pump until you see bubbles begin and stop, then close the bleeder and remove the tube from the bleeder. Then there are low pressure air bleeders that attach to the opening of the master reservoir. Any of the above might work. I have never had to use an air bleeder and find that a reluctant system responds best, but slowly, to the first described technique. Just noticed the second post in this string. I have found that DOT5 behaves exactly as other compounds without the paint damage.
Happy mechanicing,
Bob