I am hearing a winding noise coming for the back of the inside of the unit. It sounds like a plastic damper trying to move. I can hear it from both sides. What should I do first to locate the source of the noise?

The frige and freezer are cold and new ice maker and inline water filter installed in the last month.

Any advice would be great. I’m also going to try to load a video if I can figure o how from this phone.