Nanni W Madison , WI October 12, 2020 Appliance: Whirlpool Residential WED75HEFW1 Whirlpool Dryer Wed75hefw1: The dryer machine is not working properly. How to replace Whirlpool Drive Belt. Changed the belt and idler pulley, and it works again. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes