Jeffrey N Stewartville , MN November 21, 2016 Appliance: Maytag Gas Dryer MDG3500BWW Maytag Dryer Mdg3500bww: Gas dryer squealing bad as it tumbled. How to replace Dryer Drum Support Roller. Since I wasn't sure what was causing the noise, I bought a new belt, tension pulley, 2support rollers and axles (2) . If I was going to tear the dryer that far apart to diagnose, might as well replace a few extras. Ended up the tension pulley was way to tight on its axle. Took about 45 minutes to replace and put back together. Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes