Gregory F Lafayette , IN January 07, 2023 Appliance: Whirlpool Dishwasher WDT780SAEM1 Whirlpool Dishwasher Wdt780saem1: The drain pump (dishwasher). How to replace Dishwasher Pump And Motor Assembly. Followed on line video. Project time was long because the screws that attach the dishwasher to the cabinet had the slots rounded out. I had to drill the heads off the screws (and replace) to remove the dishwasher. Do-It-Yourself Rating: Repair Time Estimate: 2+ hours