Daniel J Malakoff , TX December 09, 2024 Appliance: Model WFES3030RW0 Defective oven thermostat sensor Removed the upper back panel. Removed a single screw holding the thermostat sensor in place, unplugged and pulled out the sensor. Inserted a new one, plugged it in and replaced the upper back panel. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes