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A/C making weird no...
 
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[Solved] A/C making weird noise

  

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My dad has a 2016 Hyundai Elantra (Automatic) and I decided to change the cabin air filter, and it makes a sort of quiet constant popping noise whenever I turn on the AC. It gets louder as  I turn the AC up. I know for a fact that I installed it the right direction and I know for a fact that something did not fall in because it went away temporarily as I took the new carbon air filter out. Do you know what I could do to fix it and if this is a problem or just an annoyance?


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So the noise only happens under a/c operation or any fan operation? And what made the noise go away exactly? 


I figured out that the new air filter was too thick and was likely AEM, which was restricting air flow, so I'm returning it.


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