Just bumping this. Just curious if this is a characteristic of the drivetrain before i waste a trip to the dealer. Started to happen after my break in service and it's best described as a done or humming when i am decelerating (coasting) to around 1k rpm and at low speeds without any throttle. It's very quiet but, i can only hear it without the radio on and it sounds almost like a friction or rubbing and it does vibrate the wheel at high frequency. When it happens and i shift down it goes away (not touching the throttle) so probably not brake or diff related.
Any ideas?
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