Step1: Disconnect refrigerator's electrical power before servicing the unit.
Step2: Remove the control panel to access the existing thermostat assembly.
Step3: Carefully disconnect wiring terminals, labeling them for correct reconnection.
Step4: Remove the old thermostat sensing bulb and capillary tube without bending or kinking.
Step5: Install the new thermostat, positioning the sensor in the original mounting location.
Step6: Reconnect wiring, secure the control, restore power, and check proper temperature cycling and cutoff operation.