Gregory L Daly City , CA August 08, 2015 Appliance: LG Refrigerator LFX23961ST Lg Refrigerator Lfx23961st / Astclga: Broken shelf assembly on refrigerator. How to replace Refrigerator Shelf Assembly. Ordered replacement shelf assembly. Removed drawer guides from old unit and installed them on the new shelf assembly. Attached assembly to shelf rack. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes