Ronald N Adams , NY July 18, 2022 Appliance: LG Refrigerator LFC25770SW/00 Lg Refrigerator Lfc25770sw/00: Not cooling. How to replace Thermistor Assembly. Watched Youtube videos and found the cause of the problem. We ordered the Thermistor Assembly and installed... problem solved. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes