How to Clean a Washing Machine Filter (2024)

  • Housekeeping

You probably know to clean the lint trap in your dryer, but do you know your washer has a similar filter? It does, and it's likely overdue for a cleaning.

By

Jolie Kerr

How to Clean a Washing Machine Filter (1)

Jolie Kerr

Jolie Kerr is a cleaning expert and the author of the New York Times bestselling book, My Boyfriend Barfed In My Handbag ... And Other Things You Can't Ask Martha. Her work has appeared in GQ, Cosmopolitan, The New York Times and Town & Country. A graduate of Barnard College, Jolie lives in a tiny Manhattan apartment with her five vacuum cleaners.

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Updated on December 18, 2023

Chances are you know your dryer has a vent and lint trap that needs cleaning regularly. But you might not realize there's a washing machine filter to catch and trap lint and other debris. This filter needs to be cleaned to ensure that your washer runs safely and at peak performance. Neglecting to clean a washing machine filter can leave clothes dirty and smelly and, over time, can cause damage to the machine itself.

How to Clean a Washing Machine Filter (2)

Cleaning a washing machine filter requires locating it (this might be the trickiest part!), soaking and scrubbing it clean, replacing it, and running a short, empty wash cycle. This article provides all the information you need to clean the filter successfully, including how often it needs to be done.

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How to Clean a Washing Machine Filter (3)

Locating the Washing Machine Filter

To locate the filter on your washing machine, consult the owner's manual. Typically, the filter will be located in one of these places:

  • In the center agitator
  • In the drum's top lip
  • Behind a trap door on the front exterior of the machine
  • Near the water pump or at the end of the drainage hose

If you no longer have a physical copy of the owner's manual, it is likely available online and can be found by searching the make and model of your washer and the phrase "user manual." Visual learners might benefit from seeking out instructional videos, which can be found on YouTube. Many washing machine manufacturers offer instructional videos on their websites or social media channels.

It's also worth noting that many newer machines, including high-efficiency (HE) models, don't have a filter, instead relying on self-cleaning in the machine's pump mechanism. These types of filters generally do not require owner maintenance.

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How Often to Clean a Washing Machine Filter

Manufacturer instructions regarding the frequency with which to clean a washing machine filter vary. It's best to consult the user manual for your particular machine, but general guidelines range from cleaning a washing machine filter once a month to cleaning the filter twice yearly.

Usage also plays a role in how often to clean a washing machine filter. Those in large households who use their washers more often than smaller households or who regularly launder heavily soiled items like outdoor work clothes or cloth diapers will want to clean the filter more frequently.

Signs that it's time to clean the filter include:

  • Lint buildup or dirt deposits, including excess detergent, on clothes after washing
  • Improper drainage that leaves clothes soaking wet at the end of the wash cycle
  • A mildewy smell that indicates there is standing water in the washer's mechanisms

Some washers have disposable lint traps; when these types of filters become clogged, it is time to replace them.

Equipment / Tools

  • Cleaning cloth
  • Soft-bristle brush
  • Flashlight (optional)
  • Shallow basin or old towel (optional)

Materials

  • Dish soap or liquid laundry detergent
  • Paper towels

Instructions

How to Clean a Removable Washing Machine Filter

Most washing machine filters can be removed for cleaning. Here's how to do so.

  1. How to Clean a Washing Machine Filter (4)

    Wipe Off the Filter

    Remove the filter from its housing and gently wipe away lint and debris using a damp cleaning cloth.

  2. How to Clean a Washing Machine Filter (5)

    Clean the Filter Housing

    Use a cloth to wipe lint and debris from the filter housing. You might want to use a flashlight to examine the filter housing for buildup. Additionally, depending on the placement of the filter, you might want to put down a shallow basin or an old towel to catch any water that pours out when you open the filter housing.

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  3. How to Clean a Washing Machine Filter (6)

    Soak the Filter

    Fill a bucket, bowl, or basin large enough to submerge the filter with hot water and a small amount (about 1 tsp.) of dish soap or liquid laundry detergent. Allow the filter to soak in the solution for 10 minutes.

  4. How to Clean a Washing Machine Filter (7)

    Scrub the Filter

    Using a soft-bristle brush, such as an old toothbrush or a dish brush, scrub the filter to remove buildup.

  5. How to Clean a Washing Machine Filter (8)

    Replace the Filter

    Return it to the washer's filter housing, ensuring it is securely in place. Unlike dryer filters, washing machine filters don't need to be dry when replacing them, as they will get wet again.

  6. How to Clean a Washing Machine Filter (9)

    Run a Short Wash Cycle

    Run the washer's short cycle to check that the filter is securely in place. Remove the filter and reinsert it into its housing if you notice any leaks.

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How to Clean a Fixed Washing Machine Filter

Some washing machine filters are secured in place, meaning you cannot remove them for cleaning. Here's how to clean a filter that is fixed in place.

  1. Wipe the Filter and Housing

    Open the filter housing and wipe away lint and debris using paper towels. Depending on the placement of the filter, you might want to put down a shallow basin or an old towel to catch any water that pours out when you open the filter housing.

  2. Scrub the Filter

    Using a soft-bristle brush, such as an old toothbrush or dish brush, scrub the filter to remove lint and debris that has built up on the washing machine filter.

  3. Run a Short Wash Cycle

    Run the washer's short cycle to flush out the freshly cleaned filter.

How to Clean a Pump Washing Machine Filter

Many newer HE washing machines don't have a filter or lint trap, instead using a self-cleaning pump to remove lint and other debris during the wash and cycle. While these pumps are technically self-cleaning, running a short, empty wash cycle to flush lint and buildup from the filter once every 1-3 months can help to keep the machine running properly.

How to Clean a Washing Machine Filter (2024)

FAQs

How to Clean a Washing Machine Filter? ›

The quickest way to clean out your filter is to remove it from the unit and soak it in hot water, loosening any clog or trapped residue. If the filter cannot be removed, clean it out with brush. Some filters are disposable, so instead of cleaning them you can just throw them away and put a new one in place.

Where is the hidden filter in the washing machine? ›

On the front of the appliance: A cylinder filter may be hidden behind a small hatch on the machine's exterior. These are often located in the front bottom right corner. At the end of the drainage hose: A small mesh screen may be fitted onto the hose that drains water out of the machine.

What happens if the filter on a washing machine is not cleaned? ›

A dirty or clogged washing machine filter can result in drainage issues, preventing your machine from completing a wash cycle. Over time, a clogged filter can also lead to a build-up of bacteria, mould, and other contaminants, which can cause unpleasant odours and even damage to your machine.

How do I know if my washing machine filter is blocked? ›

Check your washing machine's filter regularly, especially if you notice poor drainage, unusual odors, or excessive lint on your clothes. A good rule of thumb is to clean it every 2-3 months, or more often if you wash heavily soiled items frequently.

Do all washers have a washer filter? ›

Most top load washers made after 2001 do not have washer filters in their drainage system. Instead, newer models utilize a more powerful drain pump and larger drain holes. If you have a model made before 2001, you can find the washer filters at the bottom of the washer drum underneath the agitator.

How often should I clean my washing machine filter? ›

“At the bottom of front load washing machines there is a filter, which is a pump guard that should be checked and cleaned out every three months,” he said. “Also if your machine suddenly stops working, it's best to check this area first.”

How do you clean a washing machine without a filter? ›

Just pour two cups of distilled vinegar into your detergent drawer. You can also use soda crystals (or baking soda) to clean your washing machine. Sprinkle half a cup into your drum and then let your washing machine run on a hot setting. Simple!

Do you have to unplug washing machine to clean filter? ›

Our simple guide to cleaning your washing machine filter

First turn the appliance off and disconnect the power, then turn the water supply off. Lay a towel on the floor and place a large tray or shallow container on top for the residual water to be drained.

Will a blocked filter stop a washing machine from working? ›

If your washing machine's filter is blocked it can stop your appliance from spinning.

How do I know if my washing machine is blocked? ›

If water doesn't flow freely from the washing machine tub through the drain hose and into the bucket, the filter may be blocked, so you'll need to clear it before continuing.

How do I unblock a washing machine filter? ›

#1 The Filter

Place a basin or a bowl under the washing machine. Where the filter is, you should see a flap at the bottom right side of the machine. Open the flap and undo the filter by turning it to the left and pulling your filter out to see if anything is blocking it.

Will a washing machine leak if the filter is blocked? ›

If your washing machine can't drain due to a clogged filter, excess water can build up and cause overflows and leaks. That's why you need to clean your washing machine filter regularly – we recommend doing at least once a month.

Do all washing machines have filters in them? ›

Most top load washers made after 2001 do not have washer filters in their drainage system. Instead, newer models utilize a more powerful drain pump and larger drain holes. If you have a model made before 2001, you can find the washer filters at the bottom of the washer drum underneath the agitator.

How do I get dog hair out of my washing machine? ›

WHAT DISSOLVES PET HAIR IN THE WASHING MACHINE? While they don't dissolve dog hair, natural fabric softeners like vinegar and baking soda can loosen coarse pet hair that's wedged into the crevices of the washing machine.

What is the black stuff in my washing machine filter? ›

“When emptying your filter, put a tray under to catch any excess water. “Next remove the filter and check for any random bits and pieces that might fall out. If you're lucky you might even find some coins.” Black mould and mildew is common in washing machines as the appliance is constantly exposed to moisture.

Do all washing machines have a drain plug? ›

"The drain trap is usually easy to access and can be cleaned out periodically to ensure it continues functioning properly.” Although most modern washing machines do have a drain trap or similar mechanism, Smith suggests checking your owner's manual if you aren't sure.

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