Whirpool dryer won't tumble

Whirpool electric dryer won’t tumble. Has heat but when you start the dryer makes a humming noise. Can manully rotate basket but won’t rotate on its own.
It is about 7 years old.

Sounds like you have a bad motor. Here is the part number for you, as well as a link to the parts diagram page. Hope this helps. AP3094245

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