Robert M Hagerstown , MD May 19, 2021 Appliance: Whirlpool Electric Dryer WED9200SQ1 Whirlpool Dryer Wed9200sq1: Pulley noise. How to replace Dryer Idler Pulley. After receiving parts quickly shipped from Parts Warehouse it was a snap done in 25 minutes. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes