Donna J Morgan , UT June 30, 2020 Appliance: General Electric Refrigerator GSL25JFTABS Ge Refrigerator Gsl25jftabs: Fridge was not cooling. How to replace Refrigerator Defrost Heater And Bracket Assembly. The Defrost heater had gone bad. I defrosted the coils so that the fridge would work while I waited for the part to come. After the part came, I just followed the simple instructions in the repair video and it was quick and easy. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes