Maytag Dishwasher: loud buzzing noise

Professional Repair Guide

What is this symptom?

Experiencing a loud buzzing noise from your Maytag dishwasher? This disruptive sound can occur during fill, wash, or drain cycles, indicating potential issues. Common culprits include a malfunctioning water inlet valve, worn pump bearings, or debris in the spray arms. Identifying the source is crucial to restoring your dishwasher's quiet operation.

Urgency: Medium

Important Tips for Maytag Models

  • Normal operational sounds include gentle hums during fill, wash, and drain; loud or persistent buzzing is not typical.

Possible Causes

Water inlet valve malfunction or restricted water supply

How to Identify: Buzzing noise especially during fill cycle or when water flow is expected; irregular water filling observed

Part: Water inlet valve

Circulation pump or motor bearings wear

How to Identify: Buzzing or humming from bottom of dishwasher during wash cycle; sound persists even when empty

Part: Circulation pump / motor

Drain pump or solenoid issue

How to Identify: Buzzing during or after drain cycle when water should be expelled

Part: Drain pump / solenoid

Obstruction or debris in spray arms or filters causing strain

How to Identify: Buzzing accompanied by irregular water distribution, vibrating or scraping sounds; observed debris on cleaning

Part: Spray arms / filter

Loose internal components or misalignment

How to Identify: Buzzing accompanied by rattling or intermittent sounds; components visibly loose

Part: Various internal parts

DIY Solutions

Inspect and clean spray arms and filters

Moderate 15-30 minutes
Tools Needed: screwdriver, soft brush, warm water
  1. Turn off dishwasher and disconnect power.
  2. Remove lower rack, detach spray arms and check for debris.
  3. Clean spray arm holes and filter assembly with warm water and brush.
  4. Reinstall parts securely and test run.
⚠️ Safety First: Disconnect power before working inside the dishwasher.

Check for loose internal parts or misaligned components

Moderate 20-40 minutes
Tools Needed: screwdriver
  1. Turn off power and open dishwasher access panel.
  2. Visually inspect for loose screws, misaligned components, and tighten as needed.
  3. Check hose connections and secure any loose clamps.
  4. Reassemble and run a short cycle to check noise.
⚠️ Safety First: Ensure power is disconnected; avoid forcing components.

Next step

Choose the next step for loud buzzing noise

Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.

Other parts options

Check related components first; use model search as a fallback.

Possible related component

Dishwasher Circulation Pump

Circulates pressurized water through the dishwasher spray arms during the wash cycle.

$90 - $220 · Hard · 60-120 mins

Check fit & price
Possible related component

Drain Pump

Pumps waste water out of the appliance during the drain cycle.

$35 - $80 · Easy · 15-30 mins

Check fit & price
Model number required

Model-compatible Dishwasher parts

Enter the complete model number to browse compatible replacement parts. This is a model-based parts search, not a diagnosis that a specific component failed.

Find a part that fits my model

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Optional routine care

Maintenance supplies

These products support cleaning or routine upkeep. They are separate from the possible repair components above and are not claimed to fix this error code or symptom.

Maintenance supply

Dishwasher Cleaner and Descaler

Supports routine removal of mineral scale, grease, and odor. It is maintenance, not a repair for a failed pump, valve, or control.

View maintenance supply
Maintenance supply

Braided Dishwasher Inlet Hose

For replacement of an externally damaged supply hose. Verify connection size, length, and appliance installation requirements before ordering.

View maintenance supply

Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. Recommendations are based on routine-care relevance, not commission rate.

Professional Repairs

Replace water inlet valve

Estimated Cost: $40 - $120 for part; $120 - $250 labor

Replace circulation pump or motor assembly

Estimated Cost: $80 - $200 for part; $200 - $400 labor

Replace drain pump or solenoid

Estimated Cost: $50 - $150 for part; $150 - $300 labor

When to Call a Professional

Buzzing persists after cleaning and inspection
Buzzing accompanied by vibration or visible component damage
Dishwasher fails to fill, circulate, or drain properly

Preventive Maintenance

  • Clean filters and spray arms: Noise caused by debris buildup and strain
    Frequency: monthly
  • Inspect for loose screws or components: Noise from loose or misaligned parts
    Frequency: every 6 months

Frequently Asked Questions

Why is my Maytag Dishwasher loud buzzing noise?
Common causes include a malfunctioning water inlet valve, worn circulation pump bearings, or debris in spray arms.
How do I fix Maytag Dishwasher loud buzzing noise myself?
Inspect and clean the spray arms and filters. Check for loose components or misalignments.
How much does it cost to fix loud buzzing noise?
Professional repairs can range from $50 to $400, depending on the specific issue and parts needed.
When should I call a technician for loud buzzing noise?
Call a technician if DIY solutions do not resolve the issue or if you're unsure about performing repairs.

References & Sources

Community Analytical Insights

Guidance from available sources; statistical claims are shown only for samples of at least 10 discussions

Common Issues Reported by Users

  • Clogged or dirty filters
  • Faulty motor or motor assembly
  • Loose or damaged wiring

User Suggested Solutions

  1. Check and clean the filters. Remove the lower spray arm and access the filter. Rinse under warm water to remove debris.

  2. Inspect the motor for any signs of wear or damage. If necessary, replace the motor assembly. Ensure the dishwasher is unplugged before attempting this.

  3. Examine the wiring connections for any loose or damaged wires. Tighten or replace as needed, ensuring the dishwasher is disconnected from power.

Limited-source guidance; percentages and success-rate claims are not shown
View Sources

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

  1. Brand new Maytag dual filter dishwasher grinding noise. Has ...

Community Discussions

loud buzzing noise

Check filters and consider running a vinegar solution; warranty service recommended.

Source: Reddit r/appliancerepair

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