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Customer Questions and Answers for Dishwasher Impeller & Seal Kit by Whirlpool

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Manufacturer Part
4.89 (64)
By: Whirlpool
Part Number: OEM18144990
Manufacturer Part Number: 8193951A

Fix leaks around the dishwasher motor or poor spray pressure with this impeller and seal kit. DIY-friendly repair takes about 2 hours with basic tools.

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Questions & Answers

For Whirlpool Dishwasher Impeller & Seal Kit (Part Number: OEM18144990)

1 Answer

Mike, You will want to check to see if there is anything that is caught in the pump of the unit. If this checks ok then the issue would likely be an issue with the impeller or motor bearings being bad.

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1 Answer

Hello Marisol. You need to check and make sure your using hot water and that it is filling properly. If not, then replace the water valve on the unit. Also, if it is filling properly, then you will need to replace the circulation motor on the unit.

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Rebekah for Model Number 66516512200

My dishwasher has not been cleaning the dishes well for several weeks. About a week ago, it was making a loud humming/whining sound while running. I tried it a few days later and it has sounded ok so we have been using it, but many of the dishes, primarily top shelf, are not coming clean. We put a new chopper blade about 4 months ago, replacing one that was completely broken apart. I took the dishwasher apart today to see if there was something stuck and the screen of the chopper was completely plugged, mostly with a slimy, stringy lint and a few food particles. I cleaned it out and reinstalled, but when the chopper is on the shaft of the motor behind it, which is supposed to be turning the blade when it's operating, the chopper doesn't seem to be engaged on the shaft and turns without the shaft turning at the same time. The impeller shaft does turn when I move it by hand. Does this seem to point to the impeller being worn out and needing replacement with this kit?

1 Answer

Hello Rebekah. Yes, it sounds like the impeller kit needs to be replaced on the unit.

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Dave for Model Number Kenmore Elite 665.15959

I've become a whiz at cleaning the screen on the chopper assembly about once a month for several months. I'm pretty sure that the blades aren't being turned by the impeller. I can turn the black impeller shaft with my finger but the white cogs of the chopper assembly don't seem to reach or engage with it. Do I need a new chopper assembly with a stronger spring or are the cogs on the impeller shaft or the chopper assembly worn ? I can replace the chopper myself but I wouldn't attempt to replace the impeller. I don't want to spend too much for a repairman on a 13 year old machine, even though it has been no trouble until recently. Thanks

1 Answer

Caroline, If there was no damage to the impeller of the unit then the circulation pump would be the issue.

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1 Answer

Richard, The noise could have been a hard object stuck in the chopper blade or screen. It's remains and pieces may have entered the drain chamber and damaged the impeller /seal assembly 8193951A you'll need to dismantle the pump and check.

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1 Answer

Sjerry3, The issue with no water getting to the upper spray arms could be either that the unit is not filling with enough water or that the impeller is faulty. Check the water level of the dishwasher and make sure that the water is filling to just below the heating element. If this checks ok then the impeller part number 8193951A would be the issue.

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