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

Turn off dishwasher and disconnect power.
Remove lower rack, detach spray arms and check for debris.
Clean spray arm holes and filter assembly with warm water and brush.
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

Turn off power and open dishwasher access panel.
Visually inspect for loose screws, misaligned components, and tighten as needed.
Check hose connections and secure any loose clamps.
Reassemble and run a short cycle to check noise.

⚠️ Safety First: Ensure power is disconnected; avoid forcing components.

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

Why Your Maytag Dishwasher Is Loud | Dave Smith Appliance Community

Community Analytical Insights

Analysis based on real user discussions from appliance repair communities

Can I Fix This Myself?

65%

DIY Success Rate Difficulty: Either

Common Issues Reported by Users

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

User Suggested Solutions

Check and clean the filters. Remove the lower spray arm and access the filter. Rinse under warm water to remove debris.
Inspect the motor for any signs of wear or damage. If necessary, replace the motor assembly. Ensure the dishwasher is unplugged before attempting this.
Examine the wiring connections for any loose or damaged wires. Tighten or replace as needed, ensuring the dishwasher is disconnected from power.

Analysis based on 1 community discussions
View Sources

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

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.