2007 Camry LE V6 - Noise at Highway Speeds
 

We have a 2007 Camry LE V6, purchased in August 2006.

Like many 07 Camry owners, we've been plagued by continuous problems. Transmission problems, constant dashboard rattling, tire air sensors failed, back brake calpers failed, ball joints replaced, etc

our newest issue is one thats getting worse, yet the dealer can't diagnose.

at speeds above 40MPH there's a humming sound-road noise sound. similar to tires being out of balance, out of alignment. a low rumbling

when the car was still under warranty, the dealer replaced the back ball bearings, that didnt fix the noise. took it back 2 other times, but they couldnt pinpoint the sound.

anyone else experiencing this problem?