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Dishwasher not fully draining
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Model: GSD4010Z04AA Brand: GE Age: More than 10 years
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gciccol  
#1 Posted : Wednesday, June 27, 2012 2:07:54 PM(UTC)
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gciccol

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After the dishwasher finishes its cycle there is always some standing water left in the tub. It's by the sump drain, only about a 1/4 inch. I have removed all the hoses and checked them for blockage and cleaned the sump drain.

Is this a problem with the main pump?

Thanks for any help you can provide.:)
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denman  
#2 Posted : Thursday, June 28, 2012 12:16:09 AM(UTC)
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denman

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Here are your parts
Replacement parts for General Electric GSD4010Z04AA Dishwasher | AppliancePartsPros.com

Is this a problem with the main pump?
I do not think so. If the unit is doing a good job washing dishes the main pump is OK.

I had a unit like this and it always left a little water just around the sump, about a sixteenth on an inch. This is normal as these pumps do not like to run when low or out of water, it can damage the pump seals.

A 1/4 inch does seem a little too much.
The most likely culprit is the piston and nut (Item 564 in Section 1)
It is under the screen filter at the back of the tub.
It unscrews.
If it does not seal properly some of the water during a drain cycle gets back into the tub instead of going out the drain.
THIS FORUM IS DEAD!!!!!!!
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gciccol  
#3 Posted : Thursday, June 28, 2012 2:45:00 PM(UTC)
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gciccol

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Thanks for the prompt response and the suggestion. I appreciate you're supplying the part number too. I'll check it out and report back. Take care.:)
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gciccol  
#4 Posted : Tuesday, July 3, 2012 6:55:36 PM(UTC)
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gciccol

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I removed the old piston and nut. The rubber plug was half gone. I replaced it with a new one and ran the dishwasher. I cleaned and checked all the hoses and the line into the garbage disposal. I did not find any blockages, they were clean.

There is still a small amount of water by the sump cover, not quite a 1/4 inch. Is this normal or should the tub be completely dry?
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denman  
#5 Posted : Wednesday, July 4, 2012 12:57:26 AM(UTC)
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denman

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I would say it is normal.
These pumps do not like to run dry. They will burn up the seals so there is always some water left i the tub.
Less than 1/4 inch sounds about right to me.
THIS FORUM IS DEAD!!!!!!!
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gciccol  
#6 Posted : Wednesday, July 4, 2012 9:00:37 AM(UTC)
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gciccol

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OK thanks for getting back to me. Just wanted to make sure there wasn't something else I should be checking. Don't feel like dealing with the mold inside there again.

Thanks for all the wisdom. You saved me a bunch of money. Take care :D
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