Stephen P Yorba Linda , CA October 10, 2024 Appliance: Model ZISB480DMA20DMB The refridgerator was staying too cold no matter what setting was used Replaced the divertor doors. It is working perfectly now. Even the bottom crisper drawers. Read More... Do-It-Yourself Rating: Repair Time Estimate: 1-2 hours Tools: Adjustable Wrench, Nut Drivers, Pliers, Screwdrivers