Answer Marty, The freezer drawer will need to be removed and we have sent you an email on the removal of that. After that, the rear panel needs to be removed by simply pulling the bottom towards you and then let it drop down. There are no screws on the rear panel. The sensor is located on the top right cover on the rear panel if you are looking at it. The panel has wires from the sensor and fan so when you let it drop down keep hold of it and maybe even take a pic of what connects where. Disconnect all the wires and remove the rear panel to replace the sensor. Read More... Answered by AppliancePartsPros.com | Tuesday, August 18, 2020