Gerald A Iron Mountain , MI April 03, 2018 Appliance: LG Dryer DLE5977WM Lg Dryer Dle5977wm / : Rattling and squeaking. How to replace Idler Pulley Assembly. Buy watching the very explizit video, which walks you all the way from taking the appliance apart to putting it together. Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes