Maintaining a clean dishwasher filter helps preserve cleaning performance and extends the life of the appliance. This guide walks through a practical, step-by-step method to remove, clean, and reinstall the filter on LG dishwashers using common maintenance tools. Proper care reduces odors, improves filtration, and keeps dishes sparkling.
Quick Answer
Regularly inspect the filter for food debris, rinse under warm running water, and scrub with a soft brush to remove stubborn residue. Reassemble and run an empty cycle with a dishwasher-safe cleaner every few months to prevent buildup.
What You’ll Need
- LG dishwasher filter cleaning kit
- LG dishwasher filter cleaning brush
- Dishwasher filter brush long handle
- LG dishwasher filter replacement part
- Dishwasher maintenance tool kit spray nozzle
Before You Start
Unplug the unit or switch off the circuit breaker before working on electrical components. Ensure the dishwasher is cool and empty. Prepare a tub or tray to catch water that may spill during filter removal. Be careful with sharp edges and avoid forcing components apart. Typical filter maintenance takes about 15–30 minutes, depending on access and model features.
Step-By-Step: How To Clean An LG Dishwasher Filter
- Open the dishwasher and remove the lower rack to access the filtration area.
- Rotate and lift out the filter assembly following the model’s manual instructions.
- Rinse the filter under warm running water to dislodge loose debris.
- Use the LG dishwasher filter cleaning brush to scrub the mesh or plastic screen gently, focusing on clogged corners.
- If stubborn residue remains, employ the dishwasher filter brush long handle to reach tight spots without twisting your wrist.
- Inspect the filter housing for any blocking debris; remove with a damp cloth or a small brush as needed.
- Rinse the filter again to ensure all particles are cleared; wipe dry with a clean towel.
- Reinstall the filter assembly in the correct orientation, ensuring it locks securely into place.
- Reinsert the lower rack and run a short rinse cycle to verify proper drainage and sealing.
- For ongoing maintenance, include the LG dishwasher filter cleaning kit in routine care every 1–3 months based on usage.
- Consider replacing worn parts with an LG dishwasher filter replacement part if the seal or mesh shows damage.
- Optional: run an empty cycle with a dishwasher maintenance spray nozzle to flush out any internal buildup after reassembly.
Troubleshooting
| Symptom | Likely Cause | Fix | Prevention |
|---|---|---|---|
| Water not draining after filter clean | Clogged pump or misaligned filter | Check alignment, clean pump guard, reinstall properly | Regular cleaning schedule |
| Strange odor after cycles | Residue buildup in filter housing | Deep clean filter and housing; run maintenance cycle | Frequent minor cleanings |
| Poor cleaning results | Dirty filter or worn seals | Replace filter with LG dishwasher filter replacement part; check seals | Inspect seals during every clean |
| Leakage around door | Improper filter seating | Re-seat and secure; inspect gasket | Gentle handling during removal and replacement |
Common Mistakes To Avoid
- Over-tightening the filter during reinstallation, which can crack housings.
- Using abrasive brushes or harsh chemicals that damage the filter mesh.
- Skipping regular maintenance, leading to deeper clogs and reduced drainage.
- Forcing components apart when removing or reassembling the filter.
Sticking to gentle cleaning methods and following the model’s guidance minimizes risk and maintains performance.
Tips For Best Results
- Schedule monthly quick checks if you have a large family or frequent meal prep.
- Use warm water (not boiling) to avoid deforming plastic parts during cleaning.
- Keep a spare LG dishwasher filter replacement part on hand in case of wear or damage.
- Label or take a photo of the filter orientation before removal to ensure correct reassembly.
- Combine filter maintenance with overall dishwasher cleaning, including spray arms and seals.
Call A Professional
Seek professional help if there is persistent leakage, persistent foul odors despite cleaning, or electrical concerns. Do not operate the appliance if the control panel is unresponsive, if water is pooling around the base, or if you notice any sparks or burning smells.
FAQ
How often should I clean the LG dishwasher filter?
Most users benefit from a quick clean every 1–2 months, with a full filter inspection every 3–6 months depending on usage.
Can I use bleach or other cleaners on the filter?
Avoid harsh chemicals; use mild dish soap and warm water. Harsh cleaners can degrade plastic parts.
What if the filter is damaged?
Replace the filter with an LG dishwasher filter replacement part to maintain proper filtration and prevent leaks.
Is it necessary to remove the pump guard during cleaning?
In most models, yes—removing the guard helps you access clogged areas; consult the manual for model-specific steps.
Will cleaning a dirty filter improve drying?
Yes. A clean filter reduces water recirculation issues and improves overall washing and drying efficiency.
Should I use a dishwasher maintenance spray nozzle?
Using a spray nozzle during maintenance can help flush out residue and reach tight areas after filter removal.
What’s the best time of day to perform maintenance?
Anytime you have a clear, dry period; many users prefer weekend cleaning sessions to fit work schedules.
Buying Guide
When selecting replacement parts or maintenance tools for LG dishwashers, consider size compatibility, tool reach, and build quality. Key buying factors include:
- Filter size and compatibility: Ensure the LG dishwasher filter replacement part matches your model’s serial and tray design.
- Cleaning tools: A dedicated LG dishwasher filter cleaning brush and a long-handle brush can reach deep areas without strain.
- Maintenance kit contents: A kit with multiple attachments, including spray nozzles, promotes comprehensive cleaning.
- Durability and warranty: Look for durable plastics or stainless components and warranty coverage for replacements.
- Ease of installation: Parts that snap or screw in securely save time and reduce misalignment risks.
- Model-specific guidance: Check user manuals and official LG support pages for model-specific instructions and part numbers.
Consider scheduling a routine maintenance plan that aligns with your kitchen routine. Would you benefit from a dedicated toolkit or single-use replacements? A well-chosen set reduces downtime and keeps your LG dishwasher performing at its best.


