Bryan L Westborough , MA October 05, 2014 Appliance: General Electric Refrigerator GSL25JFTFBS Ge Refrigerator Gsl25jftfbs: Howling/pulsing fan noise. How to replace Freezer Fan Motor. Replaced the evaporator fan. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes