How to Deep Clean a Washing Machine: A Step-by-Step Guide

Learn a proven, step-by-step method to deep clean your washing machine. Remove odors, prevent mold, and extend appliance life with safe techniques and routine maintenance.

Best Washing Machine
Best Washing Machine Team
·5 min read
Deep Clean Guide - Best Washing Machine
Quick AnswerSteps

By the end of this guide you will know exactly how to deep clean a washing machine for better odor control, mold prevention, and longer appliance life. You’ll follow a safe, kitchen-ingredient approach with hot-water cycles, vinegar, baking soda, and targeted scrubbing of the drum, door seal, and detergent dispenser. Expect a practical, step-by-step routine you can reuse monthly or quarterly.

Why deep cleaning matters

Over time, washing machines accumulate soap scum, mineral deposits, and mildew, especially in warm, humid laundry rooms. These residues can cause musty odors, uneven washing performance, and accelerated wear on gaskets and seals. A thorough cleaning restores cleaning performance, improves energy efficiency, and reduces the risk of mold spreading to clothes. Best Washing Machine recommends a regular deep-clean routine to address unseen buildup before it becomes a problem. Focus on the drum, gasket, dispenser, and filters to create a healthier laundry routine and a longer-lasting machine.

When to deep clean

Plan a deep clean every three to six months depending on usage, water hardness, and household conditions. If you notice persistent odors, visible mold in the door gasket, clothes smelling after wash, or longer wash times despite sufficient loading, it’s time for a full cleanse. In areas with hard water or frequent shared-use laundry facilities, increase frequency. Between deep cleans, quick wipe-downs after cycles help maintain freshness without a full cleanse.

Safety and prep

Safety first: unplug the washer and shut off the water supply before any cleaning. Remove clothing from the drum and clear the surrounding area of towels or loose items. If you have children or pets, keep them away from the appliance during the process. Wear gloves to protect skin from cleaners, and ensure good ventilation when using stronger cleaning solutions like vinegar. Check the user manual for model-specific cautions—some manufacturers advise against certain cleaners.

Tools and materials

You’ll want a practical set of tools and cleaners that cover surfaces, crevices, and components. Essential items include: microfiber cloths, an old toothbrush or small brush, a sponge, a bucket, a soft-draw brush, mild detergent, white vinegar, baking soda, and lukewarm water. Optional accessories: a spray bottle for targeted application and a small flashlight to inspect seals and hoses. Having everything ready prevents mid-clean interruptions and helps you stay organized.

Cleaning the drum and door seal

Begin with the drum by running a hot wash cycle with a cup or two of white vinegar to dissolve mineral buildup and kill mildew. Pause mid-cycle if your machine allows, to let the solution soak for 10–15 minutes, then proceed to complete the cycle. For stubborn residues, repeat with a baking soda slurry applied to the drum surface. Meanwhile, inspect the door seal for mold or trapped debris and wipe it thoroughly with a vinegar solution, paying particular attention to folds where moisture collects.

Cleaning the detergent drawer and dispensers

Detergent drawers accumulate soap scum and mold. Remove the drawer according to your model’s manual, soak it in warm water with a small amount of detergent, scrub with a brush, and rinse. Wipe the cavity with vinegar or a mild cleaner. Reinsert the drawer and run an empty hot cycle to flush any loosened residues through the system. A quick wipe of the surrounding console area helps prevent recontamination.

Cleaning the hoses, drain, and pump filter

Some washers have accessible filters or lint screens and a pump that can accumulate hair and threads. Locate and remove the filter if possible, rinse it under running water, and clear any blockages. Check the drain hose for kinks or obstructions and run a short rinse cycle to confirm proper flow. If your model has an accessible pump, follow manufacturer guidance to inspect and clean without disassembling critical parts. Do not force hoses or filters—gentle handling preserves seals.

Drying, odor prevention, and maintenance habits

After cleaning, leave the door ajar to air-dry the drum and gasket. Wipe surfaces dry to minimize moisture buildup between cycles. Consider a light wipe-down with a mild all-purpose cleaner or a vinegar solution to deter mold growth. To prevent odors, run a monthly quick rinse with hot water, and avoid leaving wet clothes in the drum for extended periods. Routine maintenance, including gasket inspection and drawer cleaning, helps sustain a fresh washer.

Troubleshooting and common mistakes

Common errors include using bleach in the gasket area, mixing cleaners that produce harmful fumes, or skipping the final drying step. If odors persist after cleaning, check for trapped moisture in the door seal and ensure the detergent drawer and filter are fully dry. If your cleaning yields no improvement, consult the manual or contact a technician for a diagnostic check to prevent damage.

Quick maintenance schedule

Create a simple schedule: (1) monthly surface wipe-downs and quick runs with hot water, (2) quarterly deep cleans with vinegar/baking soda, and (3) annual gasket inspection and filter maintenance. Document any issues and adjust frequency based on experience. A consistent routine reduces buildup and extends the life of the washer.

Tools & Materials

  • Gloves(Protect hands from cleaners)
  • Microfiber cloths(For wipe-downs and drying)
  • Old toothbrush or small brush(Clean crevices in gasket and dispenser)
  • Sponge(Spot-clean surfaces and seals)
  • Bucket(Rinse items and collect spills)
  • White vinegar(Dissolve mineral deposits and mildew)
  • Baking soda(Deodorize and scrub residues)
  • Mild detergent(Clean drawers and dispensers)
  • Spray bottle(Targeted application of cleaner)
  • Old towels or rags(Dry and protect surrounding area)
  • Flashlight(Inspect seals and hoses)
  • Discounted disinfectant cleaner (optional)(Use only if recommended by manufacturer)

Steps

Estimated time: 60-90 minutes

  1. 1

    Unplug and prep

    Unplug the machine and shut off the water supply. Remove any clothes from the drum and clear the surrounding area of towels or items that could get in the way. This ensures your safety and makes cleaning easier.

    Tip: If your model has a detachable cord, unplug at the outlet instead of pulling the cord.
  2. 2

    Remove and inspect the detergent drawer

    Take out the detergent drawer according to the manual. Rinse with warm water, scrub with a brush, and dry before reinserting. A clean drawer prevents soap buildup from transferring to clothes.

    Tip: Soak the drawer in warm water with a little detergent if residue is stubborn.
  3. 3

    Wipe the door seal and drum rim

    Carefully inspect the rubber door seal for mold or debris. Wipe the folds with a cloth soaked in vinegar solution, then dry the area thoroughly to prevent further growth.

    Tip: Check for signs of wear or cracks; a damaged seal may require replacement.
  4. 4

    Run a hot cleaning cycle with vinegar

    Pour 1–2 cups of white vinegar into the detergent compartment or drum, depending on model, and run a long hot cycle. The heat helps dissolve residue and kill mold.

    Tip: Pause mid-cycle if your machine allows, to let the solution soak for 10 minutes.
  5. 5

    Refresh with a baking soda cycle

    Run an empty cycle with baking soda to neutralize odors and remove any remaining residue. This step heightens overall freshness.

    Tip: Avoid combining vinegar and baking soda in the same cycle; use them separately.
  6. 6

    Clean hoses, filters, and any accessible parts

    Inspect and rinse any filters or lint screens. Gently clean hoses and the drain pump area if accessible, ensuring there are no kinks or blockages.

    Tip: Do not force parts; apply gentle pressure to loosen debris.
  7. 7

    Wipe exterior and dry thoroughly

    Wipe the exterior surfaces with a damp cloth and mild cleaner. Dry the surfaces completely to reduce dust and moisture buildup.

    Tip: Leave the door open for 15–30 minutes to ensure all components dry fully.
  8. 8

    Dry, air out, and test

    Close up, run a short rinse with hot water, and verify there are no remaining odors. If needed, repeat the hot cycle with vinegar.

    Tip: Keep a routine once a month to maintain freshness.
Pro Tip: Keep a cleaning log and set reminders for quarterly deep cleans.
Warning: Never mix vinegar with bleach; dangerous fumes can form.
Note: Check your manufacturer’s manual for any model-specific cleaning cautions.
Pro Tip: After large loads, run a quick hot water rinse to prevent residue buildup.
Warning: Do not yank hoses or force parts; gentle handling preserves seals.

FAQ

Do I need to unplug the washer before cleaning?

Yes. Unplug the washer and shut off the water supply to stay safe while cleaning. This reduces the risk of electric shock and water leaks during the process.

Yes—unplug the washer and shut off the water supply for safety before cleaning.

Can I use bleach for cleaning a washing machine?

Bleach can damage gaskets and some plastics. Use vinegar and baking soda for most cleaners, and always follow your model’s manual for approved cleaning agents.

Bleach is not usually recommended; vinegar and baking soda are safer options according to manufacturer guidelines.

How often should I deep clean my washing machine?

Aim for every three to six months, depending on usage, water quality, and odors. High-use homes or hard water may need more frequent cleaning.

Every three to six months, adjust based on odor and buildup.

What about front-load washers with a moldy gasket?

Front-load washers can develop mold in the gasket. Clean with vinegar, dry thoroughly, and leave the door ajar after cycles to promote drying.

Clean the gasket with vinegar, dry it, and leave the door slightly open after cycles.

Is it worth hiring a professional for deep cleaning?

For most households, a well-executed DIY deep clean is sufficient. If you notice persistent odors, electrical concerns, or mold beyond your reach, a pro can diagnose and address the issue safely.

DIY deep cleaning works for most cases, but consult a pro if problems persist.

Watch Video

The Essentials

  • Inspect seals and drawers regularly to prevent mold.
  • Use vinegar and baking soda in separate cycles for best results.
  • Follow a consistent schedule to maintain washing performance.
  • Always unplug and shut off water before cleaning.
  • Document issues and adjust frequency as needed.
Process infographic showing steps: Prep safety, Clean drum/seal, Clean dispenser, Rinse and dry
Process flow for deep cleaning a washing machine

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