Sharon W Atlanta , GA September 04, 2016 Appliance: KitchenAid Refrigerator KSSS48DBW00 Kitchenaid Refrigerator Ksss48dbw00: Freezer lower door shelf had broken. How to replace Trim - Shelf. Replacing shelf was relatively easy AFTER experimenting a number of times. Used a flat head screwdriver to gently splay apart the hooks on side of shelf. This made it far easier to insert. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes