RepairPal Certified shops can diagnose and repair your 2007 Lexus IS350. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
i have the verey same problem with my 350. :( All iv been told is that all the 2007 s make this noise however i am sure that its not okay. i wish i had an answer for the both of us..