Question about KitchenAid 24 in. KUDI02CRBS stainless Steel Built-in Dishwasher

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KitchenAid 24" KUDI02CRBS2 under counter dishwasher

This unit has worked perfectly for 16 months. Has always ran very quietly. Last week in certain stages of the wash cycle it has started to make a lound whinning noise. It fills and drains fine. Took the sump pump a part and found little trash. This noise is coming from underneath. I do not think it is the motor because the noise is not cosistant - only at certain stages in the wash cycle. Could it be the impeller on the motor?

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Pull the dishwasher and check the sidewinder motor to verify that's the source of the noise.if so replace the motor. or check if there is any loose wire hanging.


Posted on Jan 06, 2009

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Its possible, something is in the water pump making that noise, if not then its either the gearcase, basket drive/clutch. You may want to consider professional repair. If you need any further assistance please let me know. Also please take a moment to accept and rate my solution accordingly.
Thank you,
Lee
here are a couple other possibilities.
Water-inlet valve An aging water-inlet valve can sometimes fail slowly, rather than all at once. It can shudder on and off rapidly, causing the incoming water lines to shake, rumble, and rattle--sometimes violently. If yours is doing this, replace the inlet valve.

Motor If it's the motor that's noisy, either of these may be the "culprit:"

  • As motor bearings wear out, they can become quite loud when the motor runs. They wear out quickly if they frequently get wet, because the water washes away the motor bearing grease. Bearings can get wet if the spin seal is defective. Then there will also be water leaking onto the floor beneath the dishwasher. Replace the seal if it leaks (read about the main tub seal in the "It leaks" section, later).

  • If, from beneath the dishwasher, you can see a round, plastic disc that's mounted to the top of the motor (a "slinger"), it may have broken free of the motor shaft. If so, it could be rattling around the shaft while the motor is running. If that's the problem, you need to replace the motor.

Heater fan If the heater fan bearings are rusted or worn, they may squeal, or scrape loudly during the drying cycle. If this is the problem, replace the fan motor. Alternatively, the fan blade may be loose. If so, you need to replace it.

Pump Small fruit pits, toothpicks, and fragments of glass sometimes get stuck in the pump. When this happens, open the pump and remove the debris. The pump is usually mounted directly to the motor, then attached to the bottom of the dishwasher.

To get to the pump, you usually need to remove the lower rack, the spray arms, and the spray arm support from the inside of your dishwasher. A dishwasher pump isn't obvious. Look for an impeller--a round, plastic fan blade-type device that spins around and pushes the water toward the drain. When you can see the drain impeller, you should be able to see the clogging debris.

Posted on Jan 06, 2009

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Posted on Jan 02, 2017

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