RepairPal Certified shops can diagnose and repair your 2009 Acura TL. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
I'm not sure what a "knuckle shock bushing" is, but I am confident that any worn part can be replaced as needed.
Use this link to find some shops near you that can help with your concern:
www.repairpal.com/repair-shops