Will not tumble, Squeaks, grinding sounds, Belt has no tension

Hello, see links below for the technician diagnostic sheet,parts, and video.
-Matt Ace technician

DC93-00634A Fits the Following Appliance Models
592-69227 592-69336 592-89612 DV40J3000EW/A2 DV40J3000EW/A2 DV40J3000GW/A2 DV42H5000EW/A3 DV42H5000GW/A3 DV45K6200EW/A3 DV45K7600EW/A3 DV48H7400EW/A2 DV48H7400EW/A2 DV48H7400GP/A2 DV48J7700EW/A2 DV48J7700EW/A2 DV48J7700GW/A2 DV48J7770EP/A2 DV48J7770EP/A2 DV48J7770EW/A2 DV48J7770GP/A2 DV48J7770GW/A2 DV50K7500EV/A3 DV50K7500GW/A3 DV50K8600EW/A3 DV50K8600GW/A3 DV52J8700EP/AC DV56H9000EP/AC DV56H9100EG/AC