Maytag Dishwasher: loud vibrating noise

Professional Repair Guide

What is this symptom?

Is your Maytag dishwasher producing a loud vibrating noise during operation? This unusual rattling sound, often accompanied by grinding or buzzing, may indicate issues such as debris in the pump or a faulty water inlet valve. Understanding the causes can help you address the problem efficiently.

Urgency: Medium

Important Tips for Maytag Models

Low humming during normal operation can be typical but loud vibration or buzzing outside normal cycles suggests a fault.

Possible Causes

Obstruction or debris inside pump/spray arm assembly

How to Identify: Noise occurs during wash cycle; inspect for foreign objects or food debris lodged in pump or spray arm area.

Part: Pump impeller / spray arms

Faulty water inlet valve causing humming/vibration during fill

How to Identify: Loud humming or buzzing during water fill phase specifically.

Part: Water inlet valve

DIY Solutions

Clean pump and spray arms

Moderate 30-60 minutes

Tools Needed: Screwdriver, Towels, Bucket

Disconnect power and water supply
Remove bottom dish rack and inspect interior for foreign objects
Remove spray arms if possible and clear debris from holes
Access pump area (per manual) and clear debris around impeller
Reassemble and test run

⚠️ Safety First: Disconnect power before servicing

Level dishwasher to reduce vibration

Easy 10-20 minutes

Tools Needed: Level, Adjustable wrench

Place level on dishwasher top to check alignment
Turn adjustable feet to level side-to-side and front-to-back
Retest cycle to verify reduced vibration

⚠️ Safety First: Ensure dishwasher is stable after adjusting

Inspect and adjust spray arm positioning

Easy 10-20 minutes

Tools Needed: None or screwdriver

Remove racks to access spray arms
Ensure spray arms spin freely and are not contacting dishes
Realign or replace cracked/bent arms

⚠️ Safety First: Avoid forcing arms; inspect for cracks

Professional Repairs

Replace circulation pump or motor assembly

Estimated Cost: $100 - $300

Replace worn bearings or motor components

Estimated Cost: $150 - $400

When to Call a Professional

Noise persists after DIY debris removal and leveling

Grinding or vibration indicates internal motor/pump damage

Preventive Maintenance

Clean filters and spray arms: Debris buildup causing vibration noise
Frequency: monthly
Check dishwasher level: Excessive vibration due to imbalance
Frequency: biannually

Frequently Asked Questions

Why is my Maytag Dishwasher loud vibrating noise?

Common causes include obstruction in the pump or spray arm assembly and a faulty water inlet valve.

How do I fix Maytag Dishwasher loud vibrating noise myself?

You can clean the pump and spray arms, level the dishwasher, or adjust the spray arm positioning.

How much does it cost to fix loud vibrating noise?

Professional repairs can range from $100 to $400 depending on the issue, like replacing the circulation pump.

When should I call a technician for loud vibrating noise?

If DIY solutions do not resolve the issue or if you're uncomfortable with repairs, it's best to call a technician.

References & Sources

Normal Dishwasher Sounds and Noise - Maytag Official
Dishwasher Loud Noise Causes & Fixes Repair-Blog

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

Loose or worn-out mounting brackets causing the dishwasher to vibrate excessively during operation.
Faulty diverter valve that is not directing water properly, leading to unusual noises.
Clogged or malfunctioning circulation pump that is struggling to move water, resulting in loud humming sounds.

User Suggested Solutions

Inspect and tighten all mounting brackets and screws to ensure the dishwasher is securely installed. Check for any signs of wear and replace if necessary.
Test the diverter valve by removing it and checking for any blockages or damage. Clean or replace the valve as needed.
Examine the circulation pump for clogs or damage. If the pump is faulty, replace it to restore normal operation.

Analysis based on 1 community discussions
View Sources

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

Loud Vibrating sound coming from Maytag Dishwasher

Community Discussions

Loud vibrating/humming sound

Possible diverter valve issue or circulation pump; likely needs sump replacement.