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HomeRepair HelpKitchenAid Dishwasher RepairKitchenAid Dishwasher making noise Repair
KitchenAid Dishwasher making noise
If your KitchenAid dishwasher is making noise, start with the most common source: the drain pump. A dishwasher making noise, buzzing noise, or grinding noise often means the drain pump is clogged with debris or the pump itself is failing. Next, check the circulation pump, since worn motor bearings can cause a steady droning sound during the wash cycle. After that, inspect the drain impeller, which can get damaged and make noise as it pushes water through the drain hose. The pump and motor assembly is another likely cause if the motor bearings, drain impeller, or wash impeller are worn or broken. A damaged wash impeller can scrape the pump housing and create a loud noise, and on some models it can be replaced separately. The circulation and drain pump motor can also be the culprit when bearing wear gets severe. Enter your KitchenAid dishwasher model number on RepairClinic.com to find the exact replacement part for your machine, whether you need a drain pump, circulation pump, drain impeller, wash impeller, or complete pump and motor assembly.
01 - KitchenAid Dishwasher Drain Pump
First, check the drain pump to ensure that it is clear of debris. If the drain pump is clean but it is still noisy, replace it.
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02 - KitchenAid Dishwasher Circulation Pump
The circulation pump motor has bearings that wear out over time. When the motor bearings fail, they generate a continuous drone. If the motor bearings have failed, you must replace the entire circulation pump.
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03 - KitchenAid Dishwasher Drain Impeller
The drain impeller pushes water through the drain hose and into the garbage disposer or drain line. If the impeller is broken, replace it.
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04 - KitchenAid Dishwasher Pump and Motor Assembly
Part of the pump and motor assembly (such as the motor bearings, drain impeller, or wash impeller) might be defective. Often, you can replace the pump’s individual parts. However, if you do not want to disassemble the pump to replace its parts, or if the parts are not available separately, you can replace the entire pump and motor assembly.
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05 - KitchenAid Dishwasher Wash Impeller
The wash impeller is a small plastic blade that forces water through the spray arms. If one or more of the impeller blades is broken, the dishwasher will make noise. In addition, if the impeller is damaged, warped, or bent, it can scape against the pump housing. Inspect the wash impeller for damage. If the wash impeller is damaged, replace it. On most models, you can replace the wash impeller independently of the pump and motor assembly. Search for your model number to determine if your impeller is replaceable. If the impeller cannot be replaced separately, you will have to replace the entire pump and motor assembly.
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06 - KitchenAid Dishwasher Circulation and Drain Pump Motor
The circulation pump motor has bearings that wear out over time. When the motor bearings fail, they generate a continuous drone. If the motor bearings have failed, replace the motor or replace the entire pump and motor assembly.
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Frequently Asked Questions
Why is my KitchenAid dishwasher making a loud grinding or buzzing noise?
Why does my KitchenAid dishwasher make a continuous droning noise during the wash cycle?
Can a broken wash impeller make my KitchenAid dishwasher noisy?
How do I tell if the drain pump or drain impeller is causing the noise?
How do I find the right KitchenAid dishwasher noise-related part for my model?
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