Jeff B Blair , NE June 25, 2022 Appliance: Kenmore Dryer 11078842700 Kenmore Dryer 11078842700: The dryer wouldn't run. How to replace Whirlpool Drive Belt. I checked the most common problems and when I opened it up found a broken drive belt. I ordered a new belt and when it arrived It was easy to install and my dryer nows works again. Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes