Emilio L Boca Raton , FL May 17, 2021 Appliance: LG Dryer DLE5977BM Lg Dryer Dle5977bm / : High limit thermostat went bad. How to replace Hi-Limit Thermal Fuse. Replaced High Limit Thermostat. Do-It-Yourself Rating: Repair Time Estimate: 1-2 hours