Getting my *** handed to me.. these damm brakes

[1] If you pump the pedal, pedal comes up, & you THEN have a hard brake, it is NOT air in the system. It is a mechanical problem. Most likely the prod in the booster travels too far before it contacts the piston in the m/cl. Some prods are adjustable/
[2] Squishing noise is air entering the booster chamber & is a normal operation. Some are noisier than others....