Kevin D Wichita , KS January 01, 2021 Appliance: LG Dishwasher LDS5540ST Lg Dishwasher Lds5540st / : Loud, noisy. How to replace Sump Gasket (Dishwasher). Replaced sump assembly, motor seal bad you could see rust on the motor. But no water was leaking on the floor. Hope to get 10 more years out of it. Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes