Although this applies to 2004 Malibu it has same steering system. You might want to read this document regarding results of NHTSA investigation
http://199.79.180.162/prepos/files/Artemis/Public/Pursuits/2004/EA/INCR-EA04018-20177.pdf
http://199.79.180.162/prepos/files/Artemis/Public/Pursuits/2004/EA/INCR-EA04018-20177.pdf