Whirlpool Washer Dryer: foul odor

Professional Repair Guide

What is this symptom?

Are you noticing a foul or musty odor coming from your Whirlpool washer dryer? This unpleasant smell, often described as moldy or sewer-like, can be caused by mold and mildew buildup, detergent residue, or stagnant water. Identifying and addressing the root cause can help restore freshness to your laundry experience.

Urgency: Medium

Important Tips for Whirlpool Models

Whirlpool recommends monthly 'Clean Washer' cycle using affreshÂ® tablets or liquid chlorine bleach to control odors.

Possible Causes

Mold and mildew buildup in drum, gasket, or seals

How to Identify: Musty or moldy smell when opening door; visible black/green residue on gasket

Part: Drum, door gasket, rubber seals

Detergent, fabric softener, or biofilm residue (scrud) accumulation

How to Identify: Sticky residue or scum on interior surfaces; smell persists despite recent washes

Part: Drum, detergent dispenser, hidden crevices

Standing water or poor drainage leading to stagnation

How to Identify: Water remains after cycle; slow draining; musty odor develops over time

Part: Drain hose, pump, filters

Leaving damp clothes in the washer/dryer too long

How to Identify: Smell occurs after long delays between end of wash and removal of laundry

Part: Washer interior

Sewer gas entering from plumbing or drain trap issues

How to Identify: Rotten egg or sulfur-like odor distinct from musty smell

Part: Drain line/trap

DIY Solutions

Run Whirlpool 'Clean Washer' Cycle with affreshÂ® or Bleach

Easy 1-2 hours including cycle time

Tools Needed: Whirlpool washer cleaner tablets or liquid chlorine bleach

Remove any laundry and run manufacturer-recommended Clean Washer cycle with affreshÂ® tablets.
If no Clean Washer cycle, run a hot water wash with liquid chlorine bleach.
Leave door open after cycle to fully dry interior.

⚠️ Safety First: Do not mix bleach with other cleaning agents

Manual Cleaning of Drum, Gasket, and Dispenser

Moderate 30-60 minutes

Tools Needed: Vinegar or mild detergent, Soft cloth/sponges, Toothbrush or small brush

Wipe down drum, door gasket, and rubber seals thoroughly.
Remove and clean detergent dispenser drawer if possible.
Use a brush to clean crevices around gasket and edges.
Leave door open to air out after cleaning.

⚠️ Safety First: Unplug the machine before deep cleaning

Inspect and Clear Drain Hose or Filters

Advanced 30-60 minutes

Tools Needed: Screwdriver, Bucket to catch water

Turn off and unplug the washer.
Locate and inspect drain hose for kinks or blockages.
Remove and flush hose with water; check drain filter/pump area if accessible.

⚠️ Safety First: Ensure power is disconnected

Professional Repairs

Professional Deep Service and Inspection

Estimated Cost: $150 - $350

When to Call a Professional

Persistent odor after thorough DIY cleaning

Unusual smells suggesting electrical or sewer gas issues

Drainage problems not resolved by cleaning

Preventive Maintenance

Run Clean Washer cycle or hot wash monthly: Mildew and biofilm odors
Frequency: monthly
Wipe gasket and leave door open after wash: Moisture buildup and mold growth
Frequency: After each use
Use correct type and amount of detergent: Detergent residue buildup
Frequency: Every wash

Frequently Asked Questions

Why is my Whirlpool Washer Dryer foul odor?

Common causes include mold/mildew buildup, detergent residue, and standing water.

How do I fix Whirlpool Washer Dryer foul odor myself?

Run a Clean Washer cycle with affreshÂ® or bleach, and manually clean the drum and seals.

How much does it cost to fix foul odor?

Professional repairs for foul odor typically range from $150 to $350.

When should I call a technician for foul odor?

Call a technician if DIY solutions fail or if you suspect plumbing issues.

References & Sources

Removing Odors from the Interior of a Washer - Whirlpool Official
Removing Odors or Smells - Dryer - Whirlpool Official
Why Your Whirlpool Washer Smells & How to Fix It Community
Whirlpool Washing Machine Have a Bad Odor: Causes and Solutions Community

Community Analytical Insights

Analysis based on real user discussions from appliance repair communities

Can I Fix This Myself?

85%

DIY Success Rate Difficulty: DIY

Common Issues Reported by Users

Mold and mildew buildup in the drum and door seal due to moisture retention.
Clogged or dirty drain filter leading to stagnant water.
Improper detergent use or excessive detergent leading to residue buildup.

User Suggested Solutions

Clean the drum and door seal with a mixture of vinegar and water. Wipe down the inside of the drum and the rubber seal, paying special attention to any visible mold or mildew. Run an empty cycle with hot water and vinegar to help eliminate odors.
Check and clean the drain filter. Remove any debris that may be clogging it. Make sure to follow the manufacturer's instructions for accessing and cleaning the filter.
Use the correct amount of high-efficiency detergent. If excessive detergent is suspected, run a rinse cycle to remove any leftover residue. Consider switching to a different detergent if the problem persists.