Key takeaways
- How to clean a washing machine in 6 steps: run a cleaning cycle, scrub the gasket and detergent drawer, clear the drain filter, and stop odors from returning.
To clean a washing machine, unplug it, wipe the door seal, detergent drawer and drum, clear the drain filter if your model has one, and then run an empty hot cleaning cycle with a cleaner that your manual allows. Do this about once a month, and leave the door open between loads to let moisture escape. This guide from the Editorial team draws on published specifications, manufacturer documentation and general knowledge, and your appliance manual always takes priority where the two differ.
Why Washers Get Dirty
A washer cleans clothes, yet it also traps what comes off them: body oils, lint, hair, fabric softener residue and undissolved detergent. In a damp, closed drum, those leftovers can grow into a film that holds mildew and creates a stale smell. The problem tends to be worse with cool-water washes, high-efficiency machines that use little water, heavy use of liquid softener, and front-load doors that stay shut between cycles. Spotting early signs, such as a sour smell, black speckles on the seal or gray slime in the drawer, means you can fix it with a simple routine instead of a major clean.
Before You Start: Safety and Supplies
Begin with safety. Unplug the machine before reaching into the drum, the drain area or behind panels, and turn off the water supply if you plan to move the unit. Wear gloves, and keep a few old towels nearby.
- Microfiber cloths and a soft brush or old toothbrush.
- A spray bottle with warm water and mild dish soap.
- A machine cleaner of your choice: a commercial cleaner tablet or powder, white vinegar, or an oxygen-based washer cleaner, depending on what your manual permits.
- A shallow tray or baking pan and towels for the drain filter step.
- A flashlight to inspect the seal folds and the filter.
Never combine bleach with vinegar, ammonia or other cleaners. The mixture can release hazardous fumes. Use one product at a time, ventilate the room, and follow the label.
Step-by-Step: A Full Cleaning Routine
- Empty and inspect. Remove any clothing, check pockets for stray items, and look into the drum for hair or debris.
- Wipe the door seal. On front-load machines, pull back the rubber gasket and wipe each fold with a cloth and the soapy water. Scrub black spots gently with a soft brush. Dry the seal afterward.
- Clean the detergent drawer. Pull the drawer out, following the release instructions in the manual, rinse it in warm water, scrub residue with a brush, and wipe the recess where it sits.
- Clear the drain filter. If your machine has a small access panel at the bottom, put towels and a tray down, open the filter slowly to let water drain, remove debris and rinse it, then reseat it firmly.
- Run the cleaning cycle. Select the dedicated tub-clean program if one exists, or use the hottest long cycle your manual advises, with the chosen cleaner and no laundry.
- Wipe down and air out. When the cycle ends, wipe the drum, the seal and the glass, then leave the door and drawer open to dry.
Front-Load vs Top-Load: What Differs
Front-load washers need the most attention to the gasket, because water pools in its lower fold and mildew loves the dark, damp space. Top-load machines have no gasket, yet they gather residue under the agitator or the lip of the tub, and some models allow you to see only part of the interior. High-efficiency top-loaders can develop a film at the waterline.
For both types, the drain filter, drawer and exterior panels are worth checking. Inspect the hoses behind the machine occasionally for bulges or leaks, since a failing hose can cause serious water damage. If you find any, close the water valves and ask a qualified plumber or technician for help.
Choosing a Cleaner: Tablets, Vinegar or Oxygen Cleaners
| Option | Good for | Cautions |
|---|---|---|
| Cleaner tablets or powder | Convenient monthly routine and general odor buildup | Follow the label; check compatibility with your model |
| White vinegar | Light residue and deodorizing | Some manuals advise against frequent use on rubber parts; never mix with bleach |
| Oxygen-based cleaners | Loosening film without chlorine | Use warm to hot water as directed |
| Chlorine bleach | Occasional deep sanitizing when the manual allows it | Never combine with acids; can harm seals if overused |
Cleaner tablets are the simplest for most households, since each tablet is pre-measured, so you avoid guessing the right dose. Whichever product you pick, treat the manual as the final word on what your machine tolerates.
Worked Example: A Simple Monthly Schedule
Assume a household of four running about eight loads per week with a front-load washer. A sensible schedule might look like this, with timings that are estimates rather than manufacturer requirements.
- After each wash: wipe the gasket for 30 seconds and leave the door ajar.
- Weekly: pull the drawer and rinse it, about 3 minutes.
- Monthly: run the hot cleaning cycle with a tablet or approved cleaner, about 2 minutes of effort plus the cycle time.
- Every three months: clear the drain filter, about 10 minutes with towels ready.
Total effort adds up to roughly 10 to 15 minutes a month, which is far cheaper than the cost of a service call for a persistent smell or a clogged pump.
Cleaning the Exterior, Hoses and Surroundings
The outside of the machine and the space around it affect how well it runs. Wipe the control panel and top with a damp cloth, avoiding sprays aimed at buttons. Pull the machine forward only if it is safe to do so, and check that the inlet hoses are firmly attached with intact washers and no cracks, bulges or rust at the couplings. Replacing aging hoses on a regular schedule, commonly every few years according to many manufacturers, is inexpensive protection against flooding. Make sure the drain hose is not kinked and the machine sits level, since a tilt can cause vibration and leave water pooled in the drum. Keep the area behind and beneath the unit free of lint and dust, which can build up and, in a laundry room with a dryer, create a fire risk.
Habits That Keep It Clean
Use the amount of detergent recommended for your load and water hardness, since excess suds leave residue. Choose high-efficiency detergent for machines that call for it. Do not leave wet laundry sitting inside, and avoid overloading the drum, which prevents proper rinsing. Wash towels and gym clothes at the warmest temperature the fabric label allows now and then, because cool-only washing leaves more residue. Finally, keep the door and drawer slightly open after each use so air can circulate.
What Can Go Wrong, and When to Call a Pro
If the drain filter holds a lot of water, let it out slowly into a tray and never force the cap. If the smell persists after two cleaning cycles, there may be buildup in the hoses or a drain issue. Leaks, error codes, loud grinding, a drum that will not spin or any sign of water near electrical parts are reasons to stop and contact the manufacturer or a qualified technician. Never run the machine with a loose filter, and do not attempt electrical repairs yourself.
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Frequently Asked Questions
How often should a washing machine be cleaned?
A monthly cleaning cycle is a common rule of thumb, with a quick wipe of the door seal and detergent drawer after heavy use. Households with lots of pet bedding, sports gear or cool-water washing may need to clean more often. Check the manual, since some machines show a reminder or have a dedicated tub-clean program.
Can you mix vinegar and bleach in a washer?
No. Mixing bleach with vinegar or other acids can release toxic chlorine gas. Use one cleaner at a time, run a full rinse cycle in between if you switch products, and keep the room ventilated. Also confirm in the manual which cleaners are approved, since some manufacturers advise against vinegar or bleach in certain models.
Why does a front-load washer smell musty?
Moisture trapped in the rubber door seal, the detergent drawer and the drain area encourages mildew growth, and too much detergent can leave residue that feeds it. Wipe the seal dry after use, leave the door ajar between loads, use the recommended detergent amount, and run a periodic hot cleaning cycle.
Are washing machine cleaner tablets effective?
Cleaner tablets are designed to loosen residue and odor-causing buildup during a hot or dedicated cleaning cycle, and many owners find them convenient. Compare the instructions with your machine’s manual, use them as directed, and combine them with manual wiping of the seal, drawer and filter for the best result.
Do you need to clean the drain pump filter?
Many front-load machines have a small access panel at the bottom with a drain filter that catches coins, lint and hair. Clearing it a few times a year helps prevent slow draining and odor. Unplug the machine first, place towels and a shallow tray underneath, and drain slowly. Check your manual for the exact location.
