Jodi A Princeton , LA September 20, 2018 Appliance: Whirlpool Undercounter Dishwasher DU945PWSB0 Whirlpool Dishwasher Du945pwsb0: Leaking out the side of the door small puddles on the floor. How to replace Microwave Vent Grille. I had some leaking out the door of my dishwasher and after researching it and finding out that it could be something as simple as the seal. I ordered the part and had it replaced within 10 minutes all seems to be fine. I received the part within a few days and the problem seems to be fixed. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes