How to Know If Your Washing Machine Needs Cleaning

Discover how to tell if your washing machine needs cleaning, spot common signs, and follow a practical step-by-step plan to prevent buildup and keep laundry fresh.

Best Washing Machine
Best Washing Machine Team
·5 min read
Clean Washer Guide - Best Washing Machine
Photo by sweetlouisevia Pixabay
Quick AnswerSteps

If your clothes come out damp, there’s a musty odor, visible soap residue, or longer wash cycles, your washing machine likely needs cleaning. Common signs include mildew smells, mold around the door seal, and residue in the drum or detergent dispenser. A quick check and routine cleaning can restore performance.

What it means when a washing machine needs cleaning

In everyday use, your washing machine does more than clean clothes. Over time, soap scum, mineral deposits, and moisture create a inviting environment for odors and mold. According to Best Washing Machine, regular cleaning isn't optional—it's a maintenance step that helps your machine run efficiently and last longer. If you notice clothes emanating detergent residue, a musty smell on laundry, or a longer cycle than usual, your washer is signaling that it needs attention. A strong odor around the door seal, visible grime in the drum, or damp towels after a load are practical signs you should act now. A proper cleaning routine can restore rinsing performance, reduce energy use, and prevent costly repairs. Start by assessing the type of washer you own and the areas that typically harbor buildup, including the drum, door seal, and detergent drawer.

Common signs your washer needs cleaning

Detecting the early signs saves you from bigger problems later. The most obvious indicator is a persistent odor—often mildew or sour detergent smell—emanating from the drum or door gasket. You may also see soap scum or lint around the detergent drawer or on the drum surface after cycles. Clothes come out damp or not smell fresh even after a wash; as buildup progresses, you might notice longer wash times, incomplete rinses, or increased vibration. If your washing machine leaks during cycles or the door seal shows black mold, cleaning is urgent. While some issues point to other mechanical problems, persistent signs of residue or odor almost always respond well to a thorough cleaning routine. Brand guidance from Best Washing Machine emphasizes treating these signs early to avoid mold growth and ensure efficient operation.

How buildup forms inside a washer

Washers accumulate residue in several ways. Detergent and fabric softener can leave sticky deposits, especially if you use high-efficiency (HE) detergents with small volumes. Hard water minerals cling to metal surfaces and seams, forming crusty layers that trap more dirt. Moisture in seals and crevices fosters mold and mildew growth, releasing musty odors into laundry. Over time, lint and hair can collect around the drain and pump filter, reducing drainage and causing slower spins. Front-load machines often collect grime in the rubber gasket folds, while top-loaders tend to accumulate debris in the agitator well. Understanding where buildup happens helps you target cleaning steps precisely, reducing the risk of repeated odors or residue.

Quick check: should you clean now?

This quick diagnostic helps you decide whether to clean today. Start by inspecting the door seal—pull back the folds to check for mold and sticky residue. Smell inside the drum; if a sour or damp odor lingers after a cycle, cleaning is warranted. Look at the detergent drawer for hardened residue and reseat it to test for leaks. Check the lint filter or pump trap if your model has one. If several signs appear, plan a cleaning session soon. For frequent users or families with hard water, a monthly routine is a wise habit, even if the machine seems fine. This quick check is a practical, non-technical way to prevent minor buildup from becoming a major issue.

Cleaning methods for top-load washers

For top-load models, you can clean the drum with household cleaners and avoid disassembly. Begin by unplugging the unit and removing clothes. Prepare a cleaning solution with white vinegar and warm water, or use a manufacturer-approved cleaner. Pour the solution into the drum, set to the hottest water temperature your model allows, and run a full cycle. After the initial clean, run another hot rinse with plain water to flush residues. In addition to the drum, clean the detergent cup, wiping away dried soap with an old toothbrush. Finally, wipe the lid and exterior surfaces. These steps prevent odor-causing residue and keep the interior dry between uses.

Cleaning methods for front-load washers

Front-load machines require more attention to the gasket and the drum area. Start by inspecting the door boot and removing visible grime with a damp cloth. Remove and rinse the detergent dispenser, then scrub with a brush to remove film. Run a hot cycle with a specialty cleaner or white vinegar solution, and consider a second rinse to ensure all particles are flushed. Don’t forget to clean the drain pump filter if accessible; remove lint and hair that could hamper drainage. After cleaning, wipe dry and leave the door slightly ajar to promote airflow. Regular attention to the seals prevents mold and preserves door reliability over time.

How to choose safe cleaners and methods

Choose cleaners that match your washer type and water conditions. Vinegar and baking soda are popular DIY options, but always check your owner’s manual for approved methods. Many brands offer tablets or powders designed for automatic dishwashers and washers; use the recommended amount and run hot cycles. Avoid mixing cleaners, especially bleach and ammonia or bleach and vinegar, as dangerous fumes can be produced. For those with extremely hard water, consider mineral-removing additives or a descaling treatment as advised by your washer’s manual. If you’re unsure, choose a simple, non-acid cleaner or manufacturer-approved product to minimize risk to seals and electronics.

Step-by-step DIY cleaning routine (overview)

This overview explains why each action matters and how they fit together in a complete cleaning routine. The routine targets the drum, gasket, drawers, and exterior, then finishes with a thorough rinse to remove all residues. Treat the door seal and gasket first to stop mold from spreading, then proceed to the detergent drawer to prevent residue pockets from forming. Cleaning the drum with an acid-free cleaner helps remove mineral buildup without harming rubber components. Finally, dry all surfaces and keep the door open after use to maintain airflow. Depending on your model, you may combine these with a manufacturer-supported cleaner for best results.

Preventive maintenance: keep it clean

Create a simple maintenance plan that fits your schedule. Set a monthly reminder to run a cleaning cycle, even if no odors are present. Use the right detergents and measure correctly to minimize residue, especially in high-efficiency machines. Wipe the gasket dry after each use and leave the door ajar to prevent damp conditions. Clean the detergent drawer every few weeks to reduce film buildup. If your water is hard, consider a descaler every six months. Between cleanings, inspect hoses and connections for leaks and replace worn seals promptly. A consistent routine protects performance and saves energy by keeping the machine running smoothly.

When to call a professional

Most cleaning tasks are DIY, but some situations warrant professional help. If you notice persistent odors after cleaning, leaks around the door seal, unusual noises, or water pooling inside the drum, contact a service technician. Models with electronic faults or a clogged drain pump that you cannot access may require specialized tools. If you’re in a rental or commercial setting, a routine maintenance service can prevent downtime. Remember that professionals can inspect hoses, seals, and filters more thoroughly and diagnose issues beyond dirty buildup.

Myths vs reality: cleaning misconceptions

Several myths swirl around washing machine cleaning. Myth: vinegar alone cures all odors; reality: it helps but may not address mold in crevices. Myth: you can rely on hot water alone; reality: residue and minerals require mechanical cleaning and scrubbing. Myth: any odor means replacement; reality: many odors disappear with proper cleaning and drying. By debunking myths, you’ll choose safer, more effective cleaning methods and avoid over-cleaning that could wear seals or electronics.

Quick-start printable checklist

A short, printable checklist helps you stay on track. Include items such as unplugging the unit, inspecting the door seal, cleaning the detergent drawer, running a hot cleaning cycle, rinsing, drying, and reassembling. Place the checklist near your washer for easy access and schedule monthly reminders. A simple, repeatable process keeps your washer fresh and performing at its best.

Tools & Materials

  • White vinegar (5% acidity)(Used to dissolve mineral deposits and odors.)
  • Old toothbrush(Scrub tight crevices and detergent drawer tracks.)
  • Microfiber cloths(Lint-free for drying and wiping surfaces.)
  • Gloves(Protect hands from cleaners and grime.)
  • Bucket or bowl(For catching drips during drawer removal.)
  • Baking soda(Optional deodorizing aid.)
  • Washing machine cleaner tablets/powder(Follow product directions.)
  • Soft brush or sponge(Light scrubbing for gasket folds.)

Steps

Estimated time: 60-90 minutes

  1. 1

    Power down and prep the washer

    Unplug the machine and remove all clothes. Ensure the drum is empty and accessible so you can safely inspect seals and filters. Gathering your tools beforehand prevents mid-task interruptions.

    Tip: Wear gloves and keep children and pets away from the work area.
  2. 2

    Clean the detergent drawer and dispensers

    Remove the drawer if possible and rinse under warm water. Use the toothbrush to scrub away film and residue; wipe dry before reinserting. This prevents buildup from transferring to clothes.

    Tip: Take a quick photo of the drawer layout if you’re not sure where pieces go back.
  3. 3

    Wipe the door seal and gasket

    Inspect folds for mold or slimy residue. Wipe with a damp microfiber cloth, then scrub crevices with a brush. Dry thoroughly to discourage mold growth.

    Tip: Pay special attention to the inner folds where moisture hides.
  4. 4

    Run a cleaning cycle with cleaner or vinegar

    Add vinegar solution or your cleaner as directed by the product, then run a full hot cycle. This targets mineral buildup and odors in the drum.

    Tip: Do not mix cleaners unless the manual explicitly allows it.
  5. 5

    Rinse cycle to flush residues

    Run an additional hot rinse with plain water to remove any remaining cleaner or debris. Inspect the drum after the cycle for any lingering smell or film.

    Tip: If you still smell something, repeat with fresh cleaner and another rinse.
  6. 6

    Clean the drum exterior and control panel

    Wipe the exterior and control panel with a damp cloth. Avoid saturating electronics; a light wipe is sufficient to remove fingerprints and dust.

    Tip: Don’t use abrasive cleaners on the control panel.
  7. 7

    Check and clean the pump filter (if accessible)

    Open the access panel or the bottom/front panel as per manual, remove lint and hair from the pump filter, and rinse. Reassemble carefully.

    Tip: Consult your manual if you’re unsure where the filter is located.
  8. 8

    Run a test load

    After cleaning, run a small load with plain water or light detergent. Observe for leaks and make sure water drains properly.

    Tip: If you notice leaks, stop and recheck seals and hoses before using normally.
Pro Tip: Set a monthly reminder to run a cleaning cycle, even if odors aren’t present.
Warning: Never mix bleach with ammonia or vinegar; dangerous fumes can form.
Note: Ventilate the room during cleaning to reduce humidity and mold risk.
Pro Tip: Leave the door or lid ajar after cleaning to promote airflow and drying.

FAQ

How often should I clean my washing machine?

Most washers benefit from a cleaning cycle every month or two, depending on usage, water hardness, and detergent type. If you notice odors or residue, increase frequency.

Clean your washer every month or two, and more often if you notice odors or residue.

Can I use vinegar to clean my washing machine?

Yes, vinegar is a common DIY cleaner for many washers, but always follow your manual and avoid mixing with bleach. It helps dissolve mineral buildup and odors.

Vinegar is generally safe for many washers if avoided with bleach.

Is it safe to run a cleaning cycle with bleach?

Bleach can be used cautiously on some models; check your manual. Do not mix with ammonia or vinegar, and rinse thoroughly to prevent residue.

Bleach can be used in some models, but always follow the manual and rinse well.

Why does my washer smell after washing?

Odors usually come from mold or bacteria in the door seal, detergent drawer, or drum. Cleaning and thorough drying typically resolve the issue.

Smells come from mold or bacteria in seals or drawers; cleaning helps remove it.

Should I clean the filter or drain pump?

If your model has an accessible pump filter, clean it regularly to maintain drainage. Check your manual for exact location and safety steps.

Yes, check and clean the pump filter if accessible.

What is the best cleaner for a washing machine?

There isn’t a single best cleaner; use manufacturer-recommended products or safe DIY options like vinegar or baking soda. Follow instructions and avoid mixing cleaners.

There isn’t one best cleaner; use what your manual recommends and avoid mixing cleaners.

Watch Video

The Essentials

  • Inspect signs early and act quickly.
  • Choose cleaners that match your washer type and water, and avoid dangerous mixtures.
  • Implement a monthly cleaning routine to prevent buildup.
  • Dry seals and keep the door open after use to prevent mold.
Infographic showing a 3-step washing machine cleaning process
3-step washing machine cleaning process

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