Layne O River Falls , WI November 05, 2018 Appliance: Model WHIRLPOOL DUET DRYER Squealing dryer Ordered the belt, drum wheels, and idler pulley repair kit. I tore apart the dryer and replaced the parts. Put it back together for a successful repair. After cleaning the inside of the dryer and repairing it, the total time was less than an hour. Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes