Strange sound every time the door is opened

[birdmfc]

Each time that you open one of the doors, it sounds like grinding gears for about 5-10 seconds then stops. It is the craziest sound. Does anyone else have this issue or have you had it looked at?

 

[Piper9t3]

I get these odd sounds too....see linked post for more discussion
https://www.explorerst.org/threads/whirring-and-sounds.244/#post-1456

 

[birdmfc]

Thank you, I figured that there might have been another post, but didn't see one.