i install power steering pump and pressure hose but is noise on 2000 Buick Regal

when turning the wheel pump makes lot of noise and when turning around corners cant find problem please help

2 answers
you might have air in the system try to bleed it if that doesnt work you might have a bad steering rack
Did you purge the system with no-load on the front end?(wheels off ground) What was the initial reason for pump & high pressure line replacement? Has line pressure been tested with a guage? Any return side restrictions? Fluid foaming? Random thoughts from an idiot. Good luck.