Chevrolet Trailblazer Pump Replace/Remove

My Trailblazer Is Making A Squealing Noise, We Have Replaced The Power Steering Pump And The Alternator And It Is Still Squealing What Else...

My Power Steering Pump On My Vehicle Is The Same One That Came With The Vehicle When I Bought It Fourteen Years Old But It Is Not Leaking....

When Changing Out The Power Steering Pump With A New One What Other Parts Would Need To Be Replace Besides The Power Steering Pump?

Replaced Power Steering Pump Two Times In The Past Week. However, The Pumps Went Out Again. What Could Be The Issue? I Have Also Replaced...