Daniel C Talent , OR May 14, 2022 Appliance: Whirlpool Upright Freezer EV250NXRQ04 Whirlpool Freezer Ev250nxrq04: Not staying cold. How to replace Evaporator Fan Motor. I replaced the fan motor and blades, took a bit longer cause I needed to defrost the fridge. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes