Open This Hidden Washing Machine Compartment Once a Month—It Can Help Keep Your Clothes Fresh and Your Washer Cleaner

This hidden washing machine filter needs regular cleaning to prevent odors.

Inside almost every washing machine is a small compartment that many people never notice. Hidden behind a plastic cover or access panel, this filter collects lint, dirt, hair, fabric fibers, coins, buttons, and other debris that would otherwise circulate through the machine. Over time, if it isn't cleaned, the buildup can contribute to unpleasant odors, reduced washing performance, and even drainage problems.

Although its exact location varies depending on the brand and model, most front-loading washing machines have a drain filter positioned behind a small panel near the bottom front of the appliance. Top-loading models may place the filter in different locations, such as inside the agitator, along the drum, or within the drainage system. Checking your owner's manual is the easiest way to locate it.

The purpose of the filter is simple but important. During every wash cycle, tiny fibers from clothing, pet hair, dust, and small objects left in pockets can accumulate inside the machine. Without a filter, these materials could clog the drain pump or damage internal components. However, because the filter catches so much debris, it also requires routine maintenance.

Many people only discover the filter after their washing machine begins to smell musty or fails to drain properly. In reality, cleaning it once a month can help prevent these issues before they become serious.

How to Clean the Filter

Before opening the filter compartment, turn off the washing machine and unplug it if possible. Place a shallow tray or towel underneath the access panel because a small amount of water will usually drain out when the filter is removed.

Open the compartment and carefully unscrew or pull out the filter according to your model's instructions. Remove lint, hair, threads, and any trapped objects such as coins or buttons. Rinse the filter thoroughly under warm running water and use a soft brush to remove stubborn residue.

Before reinstalling the filter, inspect the filter housing for dirt or trapped debris. Wipe the inside clean with a damp cloth before securely placing the filter back into position.

Why Monthly Cleaning Matters

A dirty filter doesn't just affect the washing machine—it can also affect your clothes. When water cannot drain efficiently, detergent residue, dirt, and bacteria may remain inside the drum. This can leave freshly washed clothing smelling less than fresh and may even contribute to stains or residue on fabrics.

Regular maintenance also helps the appliance operate more efficiently. A clean drainage system reduces strain on the pump, improves water flow, and may extend the lifespan of the washing machine.

If you notice any of these warning signs, it's probably time to clean the filter:

• Clothes still smell unpleasant after washing.
• Water drains slowly at the end of the cycle.
• The machine makes unusual noises while draining.
• Small debris appears on freshly washed clothes.
• An error code related to drainage appears on the display.

Additional Tips for a Cleaner Washing Machine

Cleaning the filter is only one part of proper maintenance. Every month, run an empty hot-water cleaning cycle using a washing machine cleaner or a manufacturer-approved cleaning product. Wipe the rubber door seal regularly to remove trapped moisture and mold, leave the door slightly open after each wash to allow the drum to dry, and avoid using more detergent than recommended.

A few minutes of maintenance each month can make a noticeable difference. By cleaning the hidden filter regularly, you can help reduce odors, improve washing performance, protect the drain pump, and keep both your washing machine and your clothes in better condition for years to come.