Dale L Bellbrook , OH February 25, 2022 Appliance: Whirlpool Dryer LER4634JQ1 Whirlpool Dryer Ler4634jq1: The dryer would not start. How to replace Dryer Thermal Cut-Off Kit. Replaced the sensors for the thermal-cutoff protection. 2 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes