RepairPal Certified shops can diagnose and repair your 2005 INFINITI FX45. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
It IS leaking . The hard part is (in some cases) finding out acurately WHERE the leak is .Pump, lines or rack.The noise is normal when air gets into the system , not good , but normal.Could eventually damage the pump.