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Question about Whirlpool 24 in. GU1200XT Built-in Dishwasher

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The dishwasher makes quite a loud sound, not grinding but more like a pump impeller whine when the washer is started and during washing.

Posted by Burt Weatherford on

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Anonymous

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  • 306 Answers

It could be a motor with bad bearings. But to check you need to remove washer and take outside or in garage. Put machine on it's "back" and take pump apart and look for obstruction. If you are mechanically inclined this is EZ!

Posted on Jun 10, 2010

  • familyMan10 Jan 03, 2011

    I certainly did not find this "EZ".
    My son and I worked 3 hours wrestling the dishwasher into various positions to find all the hidden tabs and screws necessary to disconnect pump from sump, sump from washer, motor from sump, impeller from motor, and face seal from impeller all the while dodging the leftover bacteria colonies draining from respective drains, filters, and supplies.
    The downloadable parts manual is not quite sufficient to show locations of everything. We found another manual that literally fell out after we dragged the washer, drain pipe, and power cord from the woodworking. I could not find that manual on-line. WITH that manual we had a chance even though it was hard to follow and not quite perfectly relevant. So, no. It is not "EZ".
    But this entry on this webpage was GOLDEN. Our problem really was the face seal grunging up the motor bearings.
    THANK YOU!

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If the dishwasher is loud during operation, the drain pump might be defective or might have some debris in it. This is a common problem.


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If the dishwasher is loud during operation, and the noise is a continuous drone similar in speed to the circulation pump sound, it's likely that the circulation pump motor bearings have failed. Once this happens the circulation pump will have to be replaced, the bearings are not repairable.


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Enter your model number to see parts for your dishwasher.
Help me find my model number


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Enter your model number to see parts for your dishwasher.
Help me find my model number


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Drain Impeller If the dishwasher is loud during operation, the drain impeller might be broken, or there might be debris in the pump. Generally, to gain access to the pump the top of the pump housing will have to be removed.

Pump and Motor Assembly If the dishwasher is loud the motor bearings, drain impeller or wash impeller might have worn out. All three of these components are part of the pump and motor assembly. It may be possible to replace one of the impellers, but the motor bearings cannot be repaired. In that case the pump and motor assembly will need to be replaced.

Wash Impeller The wash impeller is a small, plastic blade. The motor spins the impeller forcing water through the spray arms to clean the dishes. If one or more blades has broken off of the impeller the dishwasher is loud. The impeller can also scrape against the pump housing if it is damaged, warped or bent.

Circulation and Drain Pump Motor If the dishwasher is loud during operation, and the noise is a continuous drone similar in speed to the motor sound, it's likely that the circulation and drain pump motor bearings have failed. Once this happens the motor will have to be replaced, the bearings are not repairable.

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bc03dd0.jpg
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