Question about Frigidaire 24 in. PLD2850 Built-in Dishwasher

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Dishwasher pump making a real loud noise

Only makes noise when pump is running not when filling

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  • Anonymous Mar 24, 2014

    Buzzes as it making ice no problem with making ice was real quiet before

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  • Master
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HI. the circulation pump has an impeller that is attached to the drive shaft stud. this impeller has become unstable and, it is producing this noise you are hearing during the wash. you will need to replace the wash impeller asap.

there are kits available on-line or, you can initiate a service call for this as well.


Posted on Jun 21, 2009

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6ya6ya
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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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kel1guy2002
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SOURCE: Kitchenaid Dishwasher has starting making a real loud noise

Hi Andy and welcome to FixYa. I am Kelly. That loud noise your hearing is the motor bearings. If you were to remove the lower kick panel you will prbably find signs of a slow leak of water has been trickling through the motor and you will see a water spot under the motor pump assembly.
You were correct in your assumption that it was bearings. What happens is the motor shaft ceramic seal starts leaking long before the home owner even notices it. Then the water gets into the motor and corrosion starts to build up. As the motor turns the bearing starts to spal as a result of the corrosion and you hear the loud noises.
The only fix for this sadly to say is a complete motor impeller assembly replacement. If your model number is the one associated with this post / question: KUDI01FLSS then there is one more digit after the last "S" that being one of the following numbers 0, 1, 2, 3, 4, 5 or 6.

The motor and impeller for your dishwasher Item 10 or 18 can be found here and is listed at $138.44:

http://www.appliancepartspros.com/partsearch/model.aspx?model_id=5164895&diagram_id=907556#d907556

The seal that has failed is item 23 of the same link. Changing the seal at this point will not stop the noise.

Thanks for using FixYa.

Kelly

Posted on Apr 23, 2010

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Mod: kuds30ixss6 - Making a loud noise


You are going to have to remove the spray bars and the filter at the top of the pump housing to see if something is stuck in the pump

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I have a year old kitchen aid dishwasher and during fill cycle it makes a thumping noise. The dishwasher every 5 or 10 seconds shuts off fill cycle then turns back on which I think is what's causing...


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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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Circulation Pump

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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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.


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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.


Enter your model number to see parts for your dishwasher.
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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.


Enter your model number to see parts for your dishwasher.
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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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Water Inlet Valve

The water inlet valve is an electrically controlled water valve. When it is new, the water inlet valve is very quiet. Over time, the diaphragm inside the valve deteriorates and deforms. This deformation interacts with the water rushing in and can cause a loud vibration, buzzing, squealing or other noises. If the dishwasher is loud during the filling cycle, replacing the water inlet valve may solve the problem.

God bless you255fe28d-9cc9-4874-b381-9c9de59f3f75.jpgc98d91d6-ba21-42ff-b684-98f0b3e856c0.gif

May 24, 2013 | Dishwashers

1 Answer

As soon as the motor starts up after the dishwasher fills, the motor makes a loud grinding noise that turns into high pitch whining. Water begins leaking from above the pump.


That shows a leaking water seal. Water would run into the motor bearings which then rust and make noise. You probably need the motor / pump kit.

May 20, 2011 | Dishwashers

1 Answer

Kitchenaid Dishwasher has starting making a real loud noise


Hi Andy and welcome to FixYa. I am Kelly. That loud noise your hearing is the motor bearings. If you were to remove the lower kick panel you will prbably find signs of a slow leak of water has been trickling through the motor and you will see a water spot under the motor pump assembly.
You were correct in your assumption that it was bearings. What happens is the motor shaft ceramic seal starts leaking long before the home owner even notices it. Then the water gets into the motor and corrosion starts to build up. As the motor turns the bearing starts to spal as a result of the corrosion and you hear the loud noises.
The only fix for this sadly to say is a complete motor impeller assembly replacement. If your model number is the one associated with this post / question: KUDI01FLSS then there is one more digit after the last "S" that being one of the following numbers 0, 1, 2, 3, 4, 5 or 6.

The motor and impeller for your dishwasher Item 10 or 18 can be found here and is listed at $138.44:

http://www.appliancepartspros.com/partsearch/model.aspx?model_id=5164895&diagram_id=907556#d907556

The seal that has failed is item 23 of the same link. Changing the seal at this point will not stop the noise.

Thanks for using FixYa.

Kelly

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Loud rattling grinding noise when pump is running, no water enters the machine.


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My Dishwasher had the same loud Grinding Noise.
It was a piece of a plastic fork lodged behind the macerator blade.
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Dishwasher Making Loud High Pitched Noise.


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