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I have a KitchenAid KUDS30IXLBA dishwaser, it's approximately 4 years old. I recently noticed that the dishes on the upper rack weren't coming clean. Upon further investigation I noticed that the middle and upper spray arms weren't spinning. There is water getting to the middle spray arm because when I open the door during a cleaning cycle there is water draining out of the bottom holes.
The first thing I did was take the bottom apart and check the chopper blade/screen, it was clean. Then I checked the feed tube for dirt/obstructions, it's clean. I've checked about everything I know to check. I even took the motor/pump off and couldn't see anything wrong. The water level seems to be fine, it's over the heating element.
The only conclusion that I could come to is maybe the motor is failing and not producing enough water pressure to power the upper spray arms. But from what I've read a failing motor usually makes noise and mine don't.
Does anyone have any idea what could be causing this?
Thank you for your help.
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