George H Vienna , VA June 24, 2016 Appliance: Kenmore Dishwasher 66515933000 Kenmore Dishwasher 66515933000: Water accumulating in bottom of dishwasher when not in use. How to replace Water Inlet Valve Assembly. Replaced water supply solenoid. I may suggest that removing 2 screws holding top of dishwasher in place allowing to slide dish washer out is the best way to access the valve. 4 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes