Robert S Theresa , NY April 18, 2022 Appliance: Whirlpool Dryer WED94HEXW0 Whirlpool Dryer Wed94hexw0: Broken idler pulley and belt. How to replace Whirlpool Drive Belt. Video shows replacing the belt from the front but had the back of the machine apart to replace the idler pulley and was able to replace the belt and pulley from the back. Parts arrived in 1 day with standard shipping. Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes