Don't worry about the PS fluid swirling in the resevior as it's designed to spin out air bubbles in the fluid!! If there is a whining sound on turning the wheel it's likely the pump seal failing. The pump has to suck up the fluid from the bottle so if the pump seal is bad it also sucks air with it !! Look at the fluid after the engine has been stopped to see if there are bubbles in it !
Last edited by Fred68; 05-03-12 at 03:51 PM.
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