Dan2394 Posted April 28, 2021 Share Posted April 28, 2021 Hi I’ve recently bought at 2017 Audi A5. I had kept the blowers on the lowest setting until the other day, I turned them to the second or third setting and approx half an hour later it started making a whistling noise. To get the whistling to stop I have to turn the setting up and down until it goes back to normal. I’ve attached a video to show the issue. If anyone knows what’s causing this or has any ideas could you please let me know. Thanks FullSizeRender.mov Quote Link to comment Share on other sites More sharing options...
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