What's Making My Dishwasher Noisy? | PartSelect.com
Is your dishwasher making a lot of noise when it runs? This video will take you through some of the common sounds that your dishwasher could be making, and help you diagnose the cause!
Grinding Sounds:
A grinding sound from your dishwasher could mean that you have something stuck in the chopper blade area of the dishwasher. To fix this issue, give the chopper blade area a thorough inspection, and dislodge any obstructions.
Thumping Sounds:
This is typically not a big deal, as the most common cause of a thumping noise is an item hanging down from the top rack and making contact with the spray arm. In this case, you should be able to re-load the offending item, and fix the issue. However, thumping noises could also be the result of a loose drain line that’s rattling around inside the dishwasher. Again, this can typically be secured easily.
Loud Buzzing:
A loud buzzing noise in the dishwasher typically indicates an obstructed or dirty drain pump or wash pump. You’ll likely want to inspect both to determine the cause of the buzzing noise. To watch a video on how to replace the Drain Pump, click the link here:
Squealing/Droning:
The wash pump is the most likely culprit if you’re experiencing squealing or droning coming from your dishwasher. To replace the wash pump, you can use this instructional video as a guide:
Scraping:
A scraping sound in your dishwasher is likely the result of a damaged impeller or impeller fin scraping against the pump housing. You may be able to simply replace the impeller rather than the entire motor to resolve this issue. Here’s a guide to replacing the impeller:
If you need to replace the motor, you can see how with this video:
Beeping:
When your dishwasher beeps, it is often because the door is not latched properly. Ensure the door is properly latched, and the beeping will likely subside. If not, you may need to replace the door latch. You can use this video to help replace your door latch:
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