Jon T Zenia , CA October 31, 2017 Appliance: Whirlpool Refrigerator WRX988SIBH00 Whirlpool Refrigerator Wrx988sibh00: Freezer cold refrigerator warm. How to replace Evaporator Fan Motor. Replaced the refrigerator evaporator fan. 3 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes