John B Huntsville , AL June 30, 2019 Appliance: Whirlpool Electric Dryer WED5500XW0 Whirlpool Dryer Wed5500xw0: I put a new idle pulley, a new belt, all new rollers went very well. Thank to you all. How to replace Idler Pulley. All pulley drum belt new idle pulley. Thanks to you all Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes