Maytag Dishwasher: Making Loud Noise
Commonly a worn wash-pump bearing, a cracked spray arm, or debris in the chopper area. Add a photo of your Maytag Dishwasher in the box below: the Triage Profile says what it is, how urgent it is, and who to call.
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In the next five minutes
Safe first steps, before the call. Nothing here needs a tool.
Note what the noise sounds like and when it happens, then turn the dishwasher off and switch off its breaker.
Take a photo of the dishwasher and any code on the display, without opening anything.
If you can read its label without moving it, note the brand and model number for the call.
Everything else about this problem
Is it an emergency?
Is a loud noise from a Maytag dishwasher an emergency?
Usually not an emergency. A grinding, rattling or humming that has just started most often comes from a fan, motor, belt or loose panel. Stop using it and cut the power if the noise comes with a burning smell, smoke or sparks.
Symptoms & causes
A Maytag dishwasher making loud grinding, humming, or banging noises often points to issues within the wash or drain system, typically occurring during specific cycles. Grinding sounds usually indicate a foreign object caught in the wash pump impeller or a failing wash pump motor, while a loud hum during draining suggests a struggling drain pump. Persistent banging or rattling could be caused by loose spray arms or internal components vibrating against the tub, common in Maytag models with plastic spray arms.
Tools & parts
Basic tools like a screwdriver set (Phillips and flathead), pliers, and a flashlight are essential for accessing internal components. Specific Maytag replacement parts that might be needed include a new wash pump motor or a drain pump. You might also need a new impeller, spray arm assembly, or a specialized nut driver for certain Maytag sump components.
Safety first
Always disconnect power to the Maytag dishwasher by flipping the circuit breaker before attempting any inspection or repair to prevent electrical shock. Shut off the water supply valve to the dishwasher to avoid leaks and potential water damage during component removal. Be cautious of sharp edges inside the dishwasher tub and around pump assemblies, and wear work gloves and eye protection to prevent injury.
When to call a pro
You should call a professional technician if the loud noise persists after basic troubleshooting, especially if it's accompanied by water leaks or error codes on your Maytag dishwasher's display. Complex electrical issues, such as a faulty control board or wiring harness, are best handled by an expert to ensure proper testing and repair. If the main circulation pump motor is completely seized or requires specialized tools for removal from its sealed housing, professional assistance is highly recommended.
Questions people ask
Why is my Maytag dishwasher making a grinding noise?
A grinding noise in your Maytag dishwasher is often due to a foreign object, like glass shards or food debris, caught in the wash pump impeller. It can also indicate a failing wash pump motor that is struggling to operate. Inspect the sump area and impeller for obstructions first.
What causes a loud humming noise during the drain cycle in a Maytag dishwasher?
This typically indicates a failing drain pump or an obstruction within the drain pump itself, preventing it from expelling water efficiently. Check the drain pump for debris and ensure it spins freely, as a clogged pump will strain and hum loudly.
Can a loose spray arm cause loud noises in my Maytag dishwasher?
Yes, a loose or cracked spray arm can hit other components, such as the upper rack or the tub walls, creating banging or rattling sounds during the wash cycle. Ensure all spray arms are securely attached and free of cracks or damage, especially the lower wash arm.
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Making a loud noise: other brands
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What it is, how urgent, who to call
Add a photo of your Maytag Dishwasher in the box at the top. The Triage Profile says what it is, how urgent it is, and who to call.