Originally Posted By: javacontour
Well there's your problem, you are driving on thread, not tread.
Thanks, I will try driving on tread from now on and see if the noise goes away!
BTW, the noise is unbearable on some surfaces. Even Toyota dealership was duped into replacing wheel bearing under warranty when they heard the noise. I read a lot about tire wear and noise and understand that abnormal tire wear can create excessive noise. Indeed I had chop wear at some point despite regular rotating and good alignment. I guess the tires din't agree with the car or my driving.