Matthew R Yuma , AZ December 08, 2025 Appliance: Whirlpool Convertible Refrigerator/Freezer GAFZ21XXRK01 Compressor not starting; fridge compartment freezing Major issue, the compressor was not starting. Tested capacitor with a multi-meter and it was dead. Thus, replaced the start capacitor following the repair video here. Second issue was the upper fridge compartment would end up freezing everything regardless of the thermostat setting. Removed and replaced the thermostat behind Evaporator Cover and its been good! Read More... Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes Tools: Nut Drivers