LG Top Load Washer Smells Bad (Troubleshooting Guide)

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Quick answer
Confirm the symptom
Tools and prep
Step-by-step troubleshooting
Common causes table
Parts matching
When to call a pro
FAQ
Related guides

Quick answer

To eliminate bad odors in your LG top load washer, clean the drum, dispenser, and drain pump. Run a hot water cycle with vinegar or baking soda.

Confirm the symptom

Unpleasant smell when opening the washer
Odor lingers after washing
Smell worsens if washer sits unused

Tools and prep

Rubber gloves
White vinegar or baking soda
Soft brush or old toothbrush
Microfiber cloth
LG washer manual
Ensure washer is unplugged and empty

Step-by-step troubleshooting

Clean the Drum
Do: Mix 2 cups of white vinegar with 2 cups of water. Pour into the detergent dispenser.
Observe: The solution may foam slightly as it reacts with residue.
Means: The vinegar is breaking down mold and mildew.
Next: Run a hot water cycle without clothes.
Run Hot Water Cycle
Do: Select the hottest water setting and start a regular cycle. Do not add any detergent.
Observe: The washer heats and flushes out odors.
Means: Hot water kills bacteria and removes vinegar solution.
Next: Clean the dispenser and rubber seal.
Clean Dispenser and Rubber Seal
Do: Remove the detergent dispenser and soak it in warm, soapy water. Use a soft brush to scrub the rubber seal around the drum.
Observe: You may find mold or mildew in the dispenser or seal.
Means: These areas are common sources of odors.
Next: Wipe down the interior with a microfiber cloth.
Wipe Interior
Do: Use a microfiber cloth dampened with water to wipe the inside of the drum and door area.
Observe: The washer should look clean and feel dry to the touch.
Means: Visible dirt and moisture are removed, reducing odor sources.
Next: Check the drain pump filter.
Check Drain Pump Filter
Do: Locate the drain pump filter (refer to your manual) and remove any debris or buildup.
Observe: You may find lint, hair, or mold in the filter.
Means: A clogged filter can trap moisture and cause odors.
Next: Dry the washer thoroughly.
Dry the Washer
Do: Leave the door slightly open after each use to allow air circulation. Wipe down the rubber seal with a towel.
Observe: The interior remains dry and free of musty smells.
Means: Moisture is prevented from lingering and causing odors.
Next: Monitor for recurring odors.
Monitor for Recurring Odors
Do: Use the washer regularly and perform monthly cleanings with vinegar or baking soda.
Observe: Odors should not return if the washer stays clean and dry.
Means: Regular maintenance prevents future odor issues.
Next: Final check

Common causes

Cause	Likelihood	Difficulty	Part often needed
Mold and mildew in the drum Moisture trapped in the drum creates a breeding ground for mold and mildew.	Common	Easy	None
Clogged detergent dispenser Residue buildup in the dispenser can trap moisture and cause odors.	Common	Easy	None
Dirty drain pump filter Debris and mold in the filter trap moisture and produce bad smells.	Sometimes	Easy–Medium	Drain pump filter (if damaged)
Stale water in the system Infrequent use allows stagnant water to sit and develop odors.	Sometimes	Easy	None
Improper detergent use Using too much detergent or the wrong type can leave residue that causes odors.	Sometimes	Easy	None
Malfunctioning drain pump A faulty pump can prevent proper drainage, leading to standing water and odors.	Rare	Hard	Drain pump (if damaged)
Ventilation issues Poor air circulation in the laundry area can contribute to lingering odors.	Rare	Easy	None

Parts matching

Replace parts if they are damaged or worn out during cleaning.

Drain pump filter – if clogged or damaged
Detergent dispenser – if cracked or difficult to clean
Rubber door seal – if mold-prone or torn
Drain pump – if the filter is repeatedly clogged or the pump is malfunctioning

Purchase genuine LG replacement parts for compatibility and performance.

When to call a professional

Strong, persistent odors that do not go away after cleaning
Visible mold or mildew that is difficult to remove
Washer makes unusual noises or fails to drain properly
Drain pump filter is damaged and cannot be cleaned
Water leaks after cleaning the filter or dispenser

FAQ

How often should I clean my LG washer to prevent odors?

Clean your washer monthly with vinegar or baking soda, and wipe down the interior after each use.

Can I use bleach instead of vinegar to clean my washer?

Avoid using bleach as it can damage rubber components. Stick to vinegar or baking soda for safe cleaning.

Why does my washer smell even after cleaning?

Persistent odors may indicate a deeper issue like a clogged drain pump or mold in hard-to-reach areas. Check these components thoroughly.

Is it normal for my washer to have a slight odor after a cycle?

A slight damp smell is normal, but a strong or foul odor indicates a problem that needs attention.

Can using too much detergent cause odors?

Yes, excess detergent can leave residue that traps moisture and promotes mold growth. Follow the manufacturer's recommended amount.