on my 01 Sportage,the power steering hose on the pressure side started to leak, and I was able to purchase a new one from Napa. I got the old one off and the new one on filled it up with fluid three times until fluid remained in the reservoir. I started the vehicle and the steering wheel moved freely for the 1 st 2 min, and then got hard as if there were no fluid in the reservoir.I checked the reservoir, and found it full. What happened ? I don’t know Can anyone tell what I did wromg? Thanks Phik. .