Michael P Reynoldsburg , OH November 01, 2014 Appliance: Whirlpool Dishwasher DU840SWKT0 Whirlpool Dishwasher Du840swkt0: Making real bad noise. How to replace Pump And Motor Assembly. Replaced the pump/motor assy. 4 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes