Greetings.
2004 Toyota Sienna. I have an odd noise coming from behind the driver-side dash. Sounds somewhat like a bad fan bearing but the noise occurs with or without the fan or AC/Heater on. Does not change tempo driving or parked. It's not a regular buzzing or clicking sound. More of a mechanical intermittent rhythm.
I have a recording to upload if possible.
What makes this problem better or worse?
Nothing seems a affect the issue but it does seem to get somewhat louder the longer the vehicle runs
How long has your 2004 Toyota Sienna had this problem?
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