Hello11 for Model Number Whirlpool DW GU2200XTSB-3 The dishes on the top rack are left dirty. Especially the ones in the corners of the rack. We have replaced the lower inlet valve and that seemed to fix the problem for about 4 weeks. Could this be the valve inlet to the upper rack? If so, how do I get at it?
Answer Hello. You will need to remove the spray arms and make sure they are clear of debris. There is only one inlet valve on this unit. Also check the float and make sure it is clean, allowing enough water to come into the unit. Hope this helps. Read More... Answered by AppliancePartsPros.com | Wednesday, March 23, 2011