Brad S Berwick , PA September 01, 2023 Appliance: LG Dishwasher LDS5040BB Lg Dishwasher Lds5040bb / : LG dishwasher not cleaning dishes well. How to replace Lg Mesh Filter Assembly. The tub screen had a few holes in it allowing sludge till build up underneath, preventing proper recirc water through the pump. I ordered another screen, removed 8 screws and replaced screen assembly. Quick and easy. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes