Answer George, You will want to check the pump assembly and make sure that there is nothing in the pump assembly that would cause the unit to not pump water properly. Check the impeller for damage fins. Make sure that the screens are clean and that the spray arm is not clogged. If this checks ok then the upper discharge housing would most likely be the issue. Read More... Answered by AppliancePartsPros.com | Thursday, January 21, 2016