Paul W Linden , MI September 03, 2020 Appliance: LG Dishwasher LDF8874ST Lg Dishwasher Ldf8874st / : LG dishwasher racks rusted out. How to replace Rack Assembly. Rack assemblies came ready to go. Simple process to just swap them out. Made sure to "harvest" any good parts that were left from the old racks in case I needed them for later. Don't think I can trust LG again! 5 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes