Gian C Katy , TX October 21, 2025 Appliance: Whirlpool Laundry, Electric Dryer WED8500DC3 Whirlpool Laundry Center Wed8500dc3: Drum roller noise. How to replace Dryer Idler Pulley Assembly. Changed all 6 rollers as well as the idler pulley. The noise level came down, but it is still there. Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes