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Tires aren’t new but aren’t bad. PSI checked, balanced, rotated and aligned since noticing sound. No change. Sound does not change on different surfaces and pitch does not change with speed, it only gets louder. When it’s really strong, I can feel it in the pedals and steering wheel… I think. Will test again tomorrow to be sure.
Corwin Toyota says they put a stethoscope to the wheel bearings and don’t hear anything. None of them have any play. Kind of sounds like a howling wind noise.
I don’t know what this is y’all. Help me 🥲
Last edited by Jewbacca92; Sep 21, 2024 at 06:29 PM.
@Jewbacca92 - The noise you're hearing may be because your GS 350 is an AWD model. It's known to make a whine noise at around 30 - 50 MPH.
With AWD there is a transfer case with drive train parts rotating. This is naturally going to cause some rotating momentum noise coming from the tunnel area that must be accepted. It might be felt a little bit too.
It's highly unlikely that all the AWD related noise can be eliminated even with newly updated mounts installed as addressed in the TSB linked below.
Unfortunately not. Just had it into the dealer for a Fidelity warranty claim and wanted to get this diagnosed too, but they weren’t able to identify an issue.