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Kenmore dishwasher 665 17839791 won't drain completely @ end of cycle

I can use cancel/drain button to finish the drain. I've had hose to disposal off, seems clear. I've back flushed drain hose w/ garden hose, and can fill bottom of dishwasher wish garden hose backflushing. Is my drain pump faulty?

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Dishwashers , Kenmore , Appliances
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6 Answers from these members:
Joey S
I understand your concern. Your model dishwasher only has one motor. The pump assembly is used to spray water and it is also used to drain water by reversing the motor direction. Inside the pump is an upper impeller which does the washing and the lower impeller is used to drain the water.

The most likely problem preventing the dishwasher from draining all the water is a partial restriction where the drain hose is connected to the pump. The drain hose is connected to a removable fitting called a check valve. Drain all the water from the tub, disconnect the drain hose, and the remove the fitting by turning it counterclockwise (CCW). You will likely find debris stuck inside the fitting. I recommend looking in the port where the fitting was removed for debris too. See image below. The check valve/drain fitting is key #15.

NOTE: Disconnect the power supply from the dishwasher by flipping the house circuit breaker off before removing the toe panel to access the check valve.
by Joey S Earned 1,972 community points in Kenmore
October 18th, 2010
Answered in 23 hours
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Manage My Life
Joey S.- I'm glad I stumbled on this webpage. My dishwasher also would only drain half the water. Thanks to you, things are working fine again. Took the drain fitting off and found dried macaroni stuck in the tube. You have saved me $$$$$.
Thank you very much.
by Manage My Life
May 19th, 2012
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Joey S
I'm glad I could help. Thanks.
by Joey S Earned 1,972 community points in Kenmore
October 21st, 2010
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Manage My Life
Wow Joey! Perfect! Fixed! Luckily the hose and check valve were turned forward and easy to access. I took the check off and could see something obstructing. I poked out a couple small light colored disk shapes. As I was poking at them on the floor trying to decide what the heck they were, and where they came from, my wife walked by and said, "Oh there they are." She had stuck a couple little white rubber cabinet door stops on the back of a cutting board that she was afraid would scratch the countertop. The heat of the dishwasher loosened them. So anyway, happy ending. Thank you so much Joey! We were already talking about just replacing the dishwasher!
by Manage My Life
October 20th, 2010
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Manage My Life
I had done some of the same researching, and found a similar note. And that is the one that prompted me to take the hose off, check for blockage, etc., And another suggesting to use garden hose to run water backwards into the dishwasher, although I was a bit concerned about damaging the pump by doing this. Water seemed to go backwards into the dishwater easily and quickly, so blockage don't seem to be the issue. I found another post saying the drain pump may be damaged? That's where I am now, and wondering if that's something I should try to take apart?? Meanwhile, the dishwasher works fine, we just end up with water @ the end of the cycle in to bottom. The dishes look clean, so I'm assuming dishes aren't being wahed in dirty leftover water?
by Manage My Life
October 17th, 2010
Answered in 52 minutes
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Manage My Life
It seems as if this dishwasher is causing you lots of frustration having to use your garden hose to drain. I understand your urgency in wanting to repair the appliance. I researched your question and found someone who also had a drain issue with their dishwasher. I have provided the link below. I hope this helps!
by Manage My Life
October 17th, 2010
Answered in 12 minutes
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