Beresford L Medley , FL May 22, 2025 Appliance: Model GNE27JSMDFSS Door mullion Unplug fridge, then disconnect wire harnessess. Removing by pushing up. Next I install the new mullion. Plug refrigerator back and it’s working 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes