Paul P West Newton , MA February 09, 2020 Appliance: KitchenAid Dishwasher KDTE254ESS1 Kitchenaid Dishwasher Kdte254ess1: Water leaking from diverter motor seal. How to replace Sump. Replaced the sump. Unfortunately the manufacturer does not sell the seal separately which would have been a much simpler and cheaper fix. Instead they make you buy the entire sump and this is a much bigger undertaking. Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes