Gary W Lumberton , TX June 10, 2021 Appliance: Whirlpool Electric Dryer WED9200SQ0 Whirlpool Dryer Wed9200sq0: Idler pulley bearings went bad and figured it was time for a new belt also. How to replace Dryer Drive Belt. Replaced the belt and idler pulley assembly. Had to remove the top of the dryer, the front pieces, and the drum. To remove the front door (main) piece had to unplug control wiring to the blower motor and door switch. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes