Thanks in advance for your help. I've got a high pitched whine that I could use some help identifying. It's not the balloon squeal version under hard acceleration (I have that too). This one appears at around 35mph and remains a constant high pitched tone until I slow down to under 10mph; at that point, the sound slowly descends and goes away until I speed up again. The noise resembles the hum of a fluorescent light, except high pitched. Not exceptionally loud, but annoying once you've heard it once and realize it's always there. I've brought it in to service, and they have a hard time recreating the noise on demand. I've attached a video where you can hear the sound start and stop several times. (you may have to really turn up your speakers to hear it) In the video, you can hear it start at second 3, then decline around second 8. Much more noticeable starting at the 18 second mark and declining at the 21st second mark. Goes on one more time at the 53 second mark and declines at the end of the video. Any thoughts on what this could be?
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