Rich R Frankfort , IL April 25, 2022 Appliance: LG Refrigerator LBC22520SW/03 Lg Refrigerator Lbc22520sw/03: The freezer door wasn't sealing. How to replace Refrigerator Freezer Door Gasket. Replacing the gasket on the freezer door was very simple, and took just a few minutes to complete. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes