Whirlpool Dishwasher: making noise

Professional Repair Guide

What is this symptom?

Is your Whirlpool dishwasher making loud or unusual noises during operation? This issue could manifest as humming, grinding, or banging sounds that weren't present before. Such noises often indicate potential problems, including worn pump bearings, loose items inside, or debris buildup affecting water flow. Identifying the cause early can help prevent more extensive repairs later.

Urgency: Medium

Important Tips for Whirlpool Models

  • Whirlpool’s official documentation describes normal operational sounds like hums or clicks, but louder or abnormal noises indicate internal issues

Possible Causes

Worn or damaged wash circulation pump or motor bearings

How to Identify: Loud humming or grinding noises during wash cycle, louder than normal operational sounds

Part: Circulation pump / motor

Loose items or poor loading causing contact noise

How to Identify: Clattering sounds correlated with spray arm movement and repositioning dishes reduces noise

Part: Dishware / racks

Filter or debris buildup causing flow noise

How to Identify: Gurgling or sloshing sounds, reduced water flow, debris visible in filter

Part: Filter assembly

DIY Solutions

Clean spray arms and remove obstructions

Easy 10-20 minutes
Tools Needed: screwdriver (model dependent), soft brush
  1. Turn off and unplug dishwasher
  2. Remove lower and upper spray arms
  3. Clear debris from jets and arm holes
  4. Reinstall spray arms ensuring free rotation
⚠️ Safety First: Disconnect power before servicing

Check and clean dishwasher filter

Easy 10 minutes
Tools Needed: gloves
  1. Locate filter at bottom of dishwasher tub
  2. Remove and rinse filter to clear debris
  3. Reinstall securely and run a short cycle

Reposition dishes to prevent contact

Easy 5-10 minutes
  1. Stop dishwasher mid-cycle or before starting
  2. Ensure dishes are not touching each other or spray arms
  3. Run dishwasher and check for reduced noise

Next step

Choose the next step for making 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.

Check during diagnosis

Most relevant component to inspect

Dishwasher Circulation Pump

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

Typical part-only price
$90 - $220
DIY difficulty
Hard
Estimated time
60-120 mins
Where can I find the model number?

Check the rating label around the door, lid, frame, rear panel, or inside the appliance cabinet. Use the complete model number, including suffixes.

Find a part that fits my model

Verify the complete model and part number on the retailer's compatibility page before ordering.

Other parts options

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

Possible related component

Dishwasher Filter

Screens food debris from recirculating wash water and protects the pump system.

$15 - $65 · Easy · 5-15 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 circulation pump/motor assembly

Estimated Cost: $150 - $400

Replace drain pump or impeller

Estimated Cost: $100 - $250

When to Call a Professional

Noise persists after cleaning spray arms and filter
Humming or grinding noises indicating internal motor/pump wear
Unusual noises that start suddenly and accompany performance issues

Preventive Maintenance

  • Clean filters and spray arms regularly: Noise from obstructions and flow restriction
    Frequency: monthly
  • Check dish loading patterns: Contact noise and obstruction of spray arms
    Frequency: each use

Frequently Asked Questions

Why is my Whirlpool Dishwasher making noise?
Common causes include worn pump bearings, loose items in the washer, or debris buildup in the filter.
How do I fix Whirlpool Dishwasher making noise myself?
Try cleaning the spray arms, checking the filter, and repositioning dishes to prevent contact noise.
How much does it cost to fix making noise?
Professional repairs can range from $100 to $400 depending on the issue, such as pump replacement.
When should I call a technician for making noise?
If the noise persists after DIY fixes or if you're unsure about the repairs, it’s best to call a technician.

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

  • Worn or damaged pump assembly causing cavitation noise
  • Loose or damaged spray arm resulting in rattling sounds
  • Foreign objects trapped in the drain or filter area

User Suggested Solutions

  1. Inspect and replace the pump assembly if worn or damaged. Disconnect the dishwasher, remove the lower spray arm, and access the pump for inspection. Replace if necessary.

  2. Check the spray arm for any obstructions or looseness. Tighten or replace the spray arm as needed to eliminate rattling.

  3. Clear any foreign objects from the drain and filter area. Remove the filter and inspect for debris, cleaning thoroughly before reassembling.

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. Replace or Repair?

Community Discussions

loud cavitation noise when running

Replaced the pump with a used one, which resolved the issue.

DIY View on Reddit →

Source: Reddit r/appliancerepair

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