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It was a hot day yesterday, and I had the A/C on. I changed it to MAX A/C, and I hear this loud high pitched whistling noise that gets louder when I turn up the fan speed. It's never done this before, and it won't seem to stop. I've tried pushing all the different settings, and it only whistles when circulate is on. Anyone else ever have this happen to them? It's very distracting...

:nono:
 

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Probably the blend door is sticking open a little and the air leaking past is making the noise.

Still under warranty? Take it to the dealer to get it fixed.
 
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