[Dave Colangelo]

The belt in these cars is complex and runs over a few things all of which could whine on their own aside from the belt its self whining over them. Depending on when the last time the belts were changed you may be up for a FOES (front of engine service)

Could be the water pump

Could be the AC belt

If memory serves the PS fluid is fead into the unit and not returned. I Could be wrong about this but something in the back of my mind right now is remembering only one hose running from the tank to the rack and nothing back.

Regards
Dave