This is one of those things that is mildly irritating but not enough to warrant immediate action! But I think 2 years is long enough!
My HVAC has had this irritating whining-thud sound since I bought the car. It's almost like a servo is trying to move something but fails. Then tries again, and again, and again, forever.
https://youtu.be/iW0OH-zTPLM
I tried to capture a video of the sound. I enhanced the audio a lot as it's quite faint. You can really hear it after 14 seconds.
It took me a long time to narrow the sound down to the temperature control! If I lower the temperature it goes away. Likewise if I raise the temperature it goes away. But fuck me if i want the temperature comfortable!.... Car: "enjoy the song of my people".
All other HVAC controls work fine. Air directs perfectly etc.
Anyone have any ideas what it could be?