GS 350 RWD V6-3.5L (2GR-FSE) (2007)
1. Replace the sway bar bushings.
Please reference the Accessory Installation procedure found on the Technical Information System (TIS):
2006 GS300 2007 - 2010 GS350 2WD F Sport Sway Bar Set PTR02-30090 Rev. A
2. Confirm the noise has been eliminated.