James R Springwater , NY April 17, 2018 Appliance: Maytag Gas Dryer MDG4000BWW Maytag Dryer Mdg4000bww: Dryer drum squealing. How to replace Dryer Drum Support Roller. Replaced both drum rollers and axles along with the belt an belt tension pulley. Do-It-Yourself Rating: Repair Time Estimate: 1-2 hours