David N Monument , CO July 22, 2022 Appliance: LG Dryer DLG7188RM Lg Dryer Dlg7188rm / Acreeus: Clunking sounds from dryer. How to replace Idler Pulley Assembly. I replaced the Rollers, the Belt, and the Idler Pulley tensioner. Do-It-Yourself Rating: Repair Time Estimate: 2+ hours