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Discussion Starter · #1 ·
this just started happening tonight. Car has ACC if that matters.

The blower fan makes a whirring sound, even at the lowest setting. It goes up when I increase blowing power. Closest analogy I can think of is the sound of a dremel.

Fairly sure it's not the little temp sensor fan, first off cuz i stuck my ear to it and its silent, but also because the sound gets louder and higher when it blows harder.

First thought is that some trash or something fell in through a vent, but I can't imagine what. Maybe a leaf got sucked in? I don't see how thats possible either.

Anyone have any ideas on how to start tackling this one?
 
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