Christopher E Valley City , ND March 10, 2015 Appliance: Whirlpool Undercounter Dishwasher WDF750SAYB1 Whirlpool Dishwasher Wdf750sayb1 / : Sump and motor leaked. How to replace Pump And Motor Assembly. Ordered sump and motor combination, online chat was awesome, and they even ordered the part for me, it was easy went great, was impressed 4 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes