Brad N Cedar City , UT April 10, 2015 Appliance: Model GSS221BPDWW Fridge/freezer not staying cold frost build up I have replaced the defrost thermo, both temp sensors and the defrost heater. fridge should be fine for another 5years or so. all items were easy to replace. thanks appliancepartspros!! all items ordered were correct and arrived in a timely manner. brad Read More... Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes Tools: Screwdrivers