Changed out master cylinder can't get any pressure bled out the whole system ABS

Hello, the "air" close to the master cylinder is likely the brake booster making noise. As far as why the system won't hold pressure, yes, you'll have to do an ABS bleed with a diagnostic tool but you'll have to bleed the master cylinder and also the lines fully. I can't tell you much more - it just has to be done properly, or you have faulty components still. Use this link to find some shops near you that can help with your concern: www.repairpal.com/repair-shops