Ron R Saint Joseph , MO January 25, 2015 Appliance: Whirlpool Dishwasher DU912PFGZ1 Whirlpool Dishwasher Du912pfgz1: Dishwasher leaking under the door then i broke the nut off the float. How to replace Nut. New gasket around door and replaced the nut with a new one. 4 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes