Got then engine in and everything ready to go. I started the car and there's a loud screaching noise coming from one of the pulleys. New things I put on was a professional products harmonic balancer, and an ac delete. I put my old balancer on and it didn't stop the noise I took the belt off and it did stop the sound. Could it be the power steering pump? Cause it is leaking a bit from one of the hoses and there is a small bit of play in the pulley. Do I have to Bleed the power steering? It's too hard to hear exactly where the noise is coming from because it's so loud but it's either the power steering or something in the balancer.