Raymond S Benton , IL January 19, 2015 Appliance: General Electric Dishwasher HDA105Y-73WH Ge Dishwasher Hda105y-73Wh: Water leak under my dishwasher. How to replace Dishwasher Drain Valve Shaft Seal. Installed a rubber shaft seal and new push on nut. The whole installation process took about 15 minutes and saved a $200 repair bill Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes