High pitched squeal while running

Whirlpool

Model Number: DU960PWKS1

High pitched squeal at first, stops when door opens, resumes when closed. Stops after several minutes.

Error Code (if any): None

Parts or tests already tried: Open/shut door.

Photos / video link: https://www.dropbox.com/scl/fi/zghsqrvrn4hjvj2sy24vk/20250813_091417.mp4?rlkey=i49ey8zh1z0v65ffm7plqjv97&st=jmzw7vre&dl=0

I tried uploading a video/audio created on my phone, but was rejected as not allowed. It is an MP4 format.

This sounds like something is hung down in the wash pump and motor assembly: Link to part W10428168 PUMP&MOTOR | Genuine Whirlpool OEM In Stock