Power Steering Bleeding
WARNING: This page is about a different car, the 2003 Saturn Vue and 2002 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
With engine off and front wheels off ground, turn wheels all the way to left, check reservoir level and add fluid as necessary. Use only fluid meeting GM Specification (9985010). Bleed system by turning wheels from side to side several times without hitting stops. Start engine, check fluid with engine idling. Road test car and recheck fluid level.