Bryant C Mesa , AZ February 20, 2016 Appliance: Kenmore Electric Dryer 11086921100 Kenmore Dryer 11086921100: Making a squealing noise when running. How to replace Dryer Drum Belt 92-1/4" 4-Rib. Replaced drum support rollers and idler pulley. while at it also replaced front bearing ring and dryer belt. Do-It-Yourself Rating: Repair Time Estimate: 1-2 hours