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Discussion Starter · #1 ·
Only recently, I've been hearing this high pitched whistling sound when I have the ac/heat blowing on max. I hear it whether I'm stationary or moving. The noise originates from the driver side near my head when I'm sitting. It'll immediately stop if I turn the fans down, crack any window even slightly or click the recirculation button closer to the drivers side. My guess is it has to do with a seal somewhere in the cabin/around the door most likely on the driver side since I hear it around the upper end of the B pillar.

Any help would be great!
 

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We can't see anything!
Inspect your seal, condition your seal, check if your door is saggy, if it closes fully, etc.
Also look at your window seal.

Get a smoker or a smoke machine and blow smoke in that area under the conditions in which you have this issue... if there's a massive cabin leak, it should become evident.
 
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