Paul B Olympia , WA November 16, 2018 Appliance: KitchenAid Undercounter Dishwasher KUDS35FXSS3 Kitchenaid Dishwasher Kuds35fxss3: The dishwasher was not cleaning dishes insufficient water pressure. How to replace Dishwasher Food Chopper. I replaced the chopper and the circulation pump. I set the dishwasher up on a pair of sawhorses to replace the chopper (to save my back). Set it back on the floor and flipped it upside down to replace the pump. The videos were super helpful - so was my son. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 1-2 hours