Ryan B New Columbia , PA February 18, 2020 Appliance: Whirlpool Electric Dryer WED5500XW0 Whirlpool Dryer Wed5500xw0: Seized idler pulley/loud squealing sound after starting dryer. How to replace Whirlpool Drive Belt. Disassembled dryer to verify idler pulley was seized up. Then sprayed pulley with lubricant to get by until my parts arrived. Replaced idler pulley along with belt and now it makes no sounds. Tested with two full wet loads. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes