LG Washer Dryer: mold growth, odor, ineffective with pet hair
What is this symptom?
Experiencing persistent musty odors and visible mold in your LG Washer Dryer? This common issue can arise from moisture buildup, detergent residue, and pet hair accumulation, leading to ineffective cleaning. Over time, these factors worsen odors and cleaning efficiency, requiring immediate attention.
Important Tips for LG Models
- LG official guidance emphasizes cleaning detergent dispenser, drum, door gasket and performing a monthly Tub Clean cycle to prevent odor and buildup.
Possible Causes
Moisture and residual buildup leading to mold/mildew growth
How to Identify: Musty, moldy smell; visible black spots or slime on gasket or drum; clothes smell damp after wash
Part: Drum interior and door gasket/seals
Detergent and fabric softener residue accumulation
How to Identify: Sticky residue in dispenser or drum; smell persists even after cleaning cycles
Part: Detergent dispenser, drum surfaces
Clogged drain pump filter or poor drainage
How to Identify: Water remains in drum after cycle; longer wash times; odor persists
Part: Drain pump filter
Pet hair accumulation reducing cleaning efficiency
How to Identify: Visible pet hair clinging to clothes; pet hair in gasket folds or lint traps; reduced airflow
Part: Drum, lint traps, dryer vent
DIY Solutions
Deep Clean Drum and Gasket
- Run a hot water cleaning cycle with white vinegar in the drum
- Sprinkle baking soda after vinegar cycle and run another hot cycle
- Manually wipe down the drum interior and rubber gasket with cloth and mild solution
- Leave door open after cleaning to fully air dry
Clean Detergent Dispenser
- Remove dispenser drawer per manual instructions
- Soak in warm soapy water to loosen residue
- Scrub hidden compartments with soft brush
- Dry thoroughly and reinsert
Clean Drain Pump Filter
- Locate lower front filter access
- Place towel under access to catch water
- Unscrew filter and remove debris
- Rinse filter and reinsert securely
Next step
Choose the next step for mold growth, odor, ineffective with pet hair
Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.
Most relevant component to inspect
Door Gasket
Creates a watertight seal around the door to prevent leaks during operation.
- Typical part-only price
- $45 - $110
- DIY difficulty
- Medium
- Estimated time
- 30-60 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.
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.
Detergent Dispenser
Releases detergent, bleach, or rinse aid at the correct moment in the cycle.
Drain Pump
Pumps waste water out of the appliance during the drain cycle.
Model-compatible Washer Dryer 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.
Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. We may earn a commission from other qualifying purchases or service requests made through links on this page, at no additional cost to you. Recommendations are based on repair relevance, not commission rate.
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.
Dryer Vent Cleaning Kit
Helps remove routine lint buildup from an accessible dryer vent path. It does not diagnose or repair an E-code or failed component.
Lint Trap Cleaning Brush
A narrow brush for routine cleaning around an accessible lint screen and housing.
Dryer Vent Hose Kit
A replacement exhaust duct option for visibly crushed or damaged external venting. Check diameter, length, local code, and installation clearance.
Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. Recommendations are based on routine-care relevance, not commission rate.
Professional Repairs
Replace Worn Door Gasket
Service Drain/Drain Pump Issues
When to Call a Professional
Preventive Maintenance
-
Run LG Tub Clean or equivalent cleaning cycle: Mold, mildew, and odor buildup
Frequency: monthly -
Leave washer door ajar after use: Moisture accumulation leading to mold
Frequency: after each use -
Clean detergent drawer and gasket: Residue and hair buildup
Frequency: weekly
Frequently Asked Questions
Why is my LG Washer Dryer mold growth, odor, ineffective with pet hair?
How do I fix LG Washer Dryer mold growth, odor, ineffective with pet hair myself?
How much does it cost to fix mold growth, odor, ineffective with pet hair?
When should I call a technician for mold growth, odor, ineffective with pet hair?
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
- Residual moisture in the drum leading to mold growth
- Clogged or dirty drain filter preventing proper drainage
- Use of non HE detergent or excessive detergent causing buildup
User Suggested Solutions
-
Run a cleaning cycle with a washer cleaner or a mixture of vinegar and baking soda. Ensure to leave the door open after each wash to allow moisture to escape.
-
Check and clean the drain filter. Remove any debris and ensure water can flow freely. Perform this monthly to prevent buildup.
-
Switch to a high-efficiency (HE) detergent and use the recommended amount. Avoid overloading the washer to ensure proper rinsing.
Limited-source guidance; percentages and success-rate claims are not shown
View
Sources
Data compiled from real discussions on r/appliancerepair and r/Appliances:
Community Discussions
mold growth, odor, ineffective with pet hair
Consider LG washer for pet hair and a cheap Amana dryer; Speed Queen TC5 washer is recommended for price/performance.
Source: Reddit r/appliancerepair
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