Andrew H Glencoe , IL January 05, 2021 Appliance: Whirlpool Convertible Refrigerator/Freezer GAFZ21XXRK00 Whirlpool Refrigerator Gafz21xxrk00: My Whirlpool Gladiator refrigerator evaporator motor was very noisy. How to replace Evaporator Fan Blade. I replaced the evaporator motor and fan blade. Noise is gone!!!! 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes