Speed Queen Washing Machine: unpleasant odor

Professional Repair Guide

What is this symptom?

If your Speed Queen washing machine is emitting an unpleasant odor, you may notice a musty, sour, or drain-like smell when you open the lid or during wash cycles. This issue is often caused by mold, mildew, and bacterial buildup inside the tub, detergent residue, or a clogged drain hose. Addressing this odor promptly can help maintain your appliance's efficiency and hygiene.

Urgency: Medium

Important Tips for Speed Queen Models

  • Speed Queen washers are often commercial-grade with fewer self-clean cycles; regular manual cleaning is recommended.

Possible Causes

Mold, mildew, and bacterial buildup inside the tub and around seals

How to Identify: Musty or sour smell, visible black spots around rubber seal areas; odor strongest when opening lid

Part: Drum interior and rubber gaskets/seals

Detergent and fabric softener residue buildup

How to Identify: Sticky or slimy buildup inside detergent drawer and drum; smell persists despite regular washing

Part: Drum and detergent dispenser

Clogged or dirty drain hose and drain trap

How to Identify: Foul, ‘sewer-like’ smell, especially near drain hose connection; slow drainage

Part: Drain hose and trap

Accumulated lint and debris in filter or around tub

How to Identify: Visible lint and debris around filter area and inside tub walls; smell intensifies after several cycles

Part: Lint filter, tub surface

DIY Solutions

Run a cleaning cycle with washing machine cleaner or bleach

Easy 1–2 hours
Tools Needed: Washing machine cleaner or bleach, Hot water
  1. Remove any laundry from machine.
  2. Add recommended amount of washing machine cleaner or appropriate bleach to drum or dispenser.
  3. Run longest/hot water cleaning cycle (if available).
  4. After cycle, wipe down interior and rubber seal to remove loosened residue.
⚠️ Safety First: Ensure good ventilation when using bleach.

Clean detergent drawer and seals

Moderate 30–60 minutes
Tools Needed: Old toothbrush, Warm soapy water, Clean cloths
  1. Remove detergent drawer (if removable) and soak in warm soapy water.
  2. Scrub drawer to remove detergent residue.
  3. Wipe inside detergent compartment area.
  4. Use toothbrush to clean around rubber door seal folds.
  5. Wipe everything dry.
⚠️ Safety First: Unplug machine before cleaning detergent compartment if needed to access electrically connected parts.

Flush drain hose and check drain trap

Moderate 30–60 minutes
Tools Needed: Bucket, Towels, Flexible brush or cloth
  1. Unplug machine and turn off water.
  2. Place bucket under drain hose connection.
  3. Disconnect drain hose and flush with warm water.
  4. Use flexible brush to remove debris if accessible.
  5. Reinstall hose securely.
⚠️ Safety First: Be cautious of standing water when disconnecting hose.

Next step

Choose the next step for unpleasant odor

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

Based on diagnostic data

Most relevant component to inspect

Detergent Dispenser

Releases detergent, bleach, or rinse aid at the correct moment in the cycle.

Typical part-only price
$30 - $70
DIY difficulty
Easy
Estimated time
15-30 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 components that may be involved

Check these only if your diagnosis points to them.

Possible related component

Drain Hose

Carries waste water from the drain pump to your home's standpipe or sink drain.

$15 - $30 · Easy · 15-30 mins

Check fit & price

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Professional Repairs

Deep internal cleaning/disinfection service

Estimated Cost: $100 - $200

Drain line and pump inspection/repair

Estimated Cost: $150 - $350

When to Call a Professional

Odor persists after multiple DIY cleaning attempts
Odor accompanied by drainage issues or water backing up
Visible mold growth that spreads beyond accessible areas

Preventive Maintenance

  • Leave lid open after each use: Moisture buildup leading to mold and odor
    Frequency: After every wash
  • Monthly washer cleaning cycle: Biological buildup and detergent residue
    Frequency: Monthly
  • Clean detergent drawer regularly: Residue buildup that feeds bacteria
    Frequency: Bi-weekly to monthly

Frequently Asked Questions

Why is my Speed Queen Washing Machine unpleasant odor?
Common causes include mold, mildew buildup, detergent residue, and clogged drain hoses.
How do I fix Speed Queen Washing Machine unpleasant odor myself?
Run a cleaning cycle with bleach or a washing machine cleaner, clean the detergent drawer, and flush the drain hose.
How much does it cost to fix unpleasant odor?
Professional repairs for unpleasant odors can range from $100 to $350, depending on the issue.
When should I call a technician for unpleasant odor?
If DIY methods fail or if the odor persists, consider calling a technician for deeper cleaning or inspection.

References & Sources

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 or door seal
  • Residual detergent or fabric softener left in the machine
  • Blocked or dirty drain filter

User Suggested Solutions

  1. Run a hot water cycle with a cup of white vinegar to clean the drum and eliminate odors. After that, wipe down the door seal and drum with a damp cloth.

  2. Check and clean the drain filter to remove any debris or buildup that could be causing odors. Refer to the user manual for instructions on accessing the filter.

  3. Use a washing machine cleaner or a specialized tablet to remove detergent residue and prevent odors. Follow the product instructions for best results.

Analysis based on 1 community discussions
View Sources

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

  1. New washing machine—weird smell

Community Discussions

weird smell from drum

Running a cup of vinegar in with a few rinses may help eliminate the smell.

DIY View on Reddit →

Source: Reddit r/appliancerepair

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