The simplest way to replace thermostat is to first remove oven door. Thermostat is located at top, left rear of oven. Slide oven out so that you can get to the rear of the oven and remove back panel using Phillips screwdriver.Two Phillips screws hold thermostat in pace inside the oven and must be removed from inside the oven. Then disconnect electrical connection to thermostat ar rear of oven and replace with new unit in the same sequence. Simple job.