Maytag Dishwasher: buzzing noise

Professional Repair Guide

What is this symptom?

Are you hearing a buzzing noise from your Maytag dishwasher? This louder-than-normal sound can occur during the fill, wash, or drain phases and may indicate mechanical or electrical issues. Common culprits include a clogged drain pump, malfunctioning water inlet valve, or problems with the circulation pump. Addressing these issues promptly can help restore your dishwasher's performance.

Urgency: Medium

Important Tips for Maytag Models

  • Maytag normal dishwasher operations include certain hums or soft pump noises; louder buzzing typically indicates an issue beyond normal operational sounds

Possible Causes

Clogged or faulty drain pump

How to Identify: Buzzing occurs near end of wash when draining; dishwasher may fail to drain and buzzing persists

Part: Drain pump / impeller

Water inlet valve malfunction

How to Identify: Buzzing occurs during fill stage; slow or incomplete fill, buzzing persists when valve struggles to open

Part: Water inlet valve

Circulation pump or wash impeller issues

How to Identify: Buzzing during main wash phase, poor water spray performance; impeller may be jammed or bearing wear causing motor buzz

Part: Circulation pump / wash impeller

Motor or motor bearings wearing out

How to Identify: Continuous buzzing or humming even after clearing blockages; noise louder over time and vibrations felt

Part: Motor bearings

Loose internal parts or misalignment

How to Identify: Buzzing accompanied by vibration or rattling due to loose mounts, spray arms, or misaligned dishwasher

Part: Internal hardware

DIY Solutions

Clean drain pump and check for debris

Moderate 30–45 minutes
Tools Needed: screwdriver, work gloves
  1. Disconnect power and water supply
  2. Remove lower access panel and locate drain pump
  3. Remove visible debris from impeller and pump housing
  4. Reassemble and test dishwasher
⚠️ Safety First: Ensure power is off before accessing internal components

Inspect and clean water inlet valve screen

Moderate 20–30 minutes
Tools Needed: wrench, bucket, work gloves
  1. Turn off water and power
  2. Disconnect water line at inlet valve
  3. Inspect and clean any mineral buildup on screen
  4. Reconnect and test fill cycle
⚠️ Safety First: Be careful of water spills when disconnecting valve

Check spray arms for obstructions and proper rotation

Easy 10–15 minutes
Tools Needed: none
  1. Remove dish racks to access spray arms
  2. Ensure spray arms rotate freely
  3. Clean spray arm holes of debris
  4. Reinsert and test

Professional Repairs

Replace drain pump or impeller

Estimated Cost: $100–$250

Replace circulation pump or wash motor assembly

Estimated Cost: $200–$450

Replace water inlet valve

Estimated Cost: $50–$150

When to Call a Professional

Buzzing persists after DIY debris clearing
Dishwasher won’t drain and there’s standing water
Buzzing accompanied by error codes or failure to start
Electrical burning smell or overheating components

Preventive Maintenance

  • Clean filters and spray arms: Debris buildup that can strain pumps and cause buzzing
    Frequency: monthly
  • Check for foreign objects in dishwasher tub: Obstructions reaching pump or impeller causing buzzing
    Frequency: weekly

Frequently Asked Questions

Why is my Maytag Dishwasher buzzing noise?
The buzzing noise may be due to a clogged drain pump, a faulty water inlet valve, or issues with the circulation pump.
How do I fix Maytag Dishwasher buzzing noise myself?
You can clean the drain pump, inspect the water inlet valve screen, and check spray arms for obstructions.
How much does it cost to fix buzzing noise?
Professional repairs can range from $50 to $450 depending on the issue, such as replacing the drain pump or circulation motor.
When should I call a technician for buzzing noise?
If DIY solutions don't resolve the issue or if you suspect a serious problem, it's best to consult a technician.

References & Sources

Community Analytical Insights

Analysis based on real user discussions from appliance repair communities

Can I Fix This Myself?

70%
DIY Success Rate Difficulty: Either

Common Issues Reported by Users

  • Foreign object lodged in the impeller or spray arm
  • Faulty motor or motor capacitor
  • Worn out or damaged dishwasher pump

User Suggested Solutions

  1. Inspect and remove any foreign objects from the impeller or spray arm. Open the dishwasher, remove the spray arm, and check for blockages. Clean any debris found.

  2. Test the motor and motor capacitor for faults. If you have a multimeter, check for continuity. Replace the faulty components if necessary.

  3. Inspect the dishwasher pump for wear or damage. If the pump is faulty, replace it with a new one, ensuring proper installation.

Analysis based on 1 community discussions
View Sources

Data compiled from real discussions on r/appliancerepair and r/Appliances:

  1. Brand new Maytag dishwasher buzzing throughout cycle!

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