Marty Q Prineville , OR September 19, 2016 Appliance: Whirlpool Electric Dryer GEW9250PW1 Whirlpool Dryer Gew9250pw1: Squealing sound from dryer. How to replace Dryer Idler Pulley. Removed rear cover, determined idler pulley was not rotating freely, removed pulley, replaced pulley with replacement part, reassembled, test run. Works fine. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes