· Todd Martin · Washing Machine Maintenance · 14 min read
How To Clean Agitator In Washing Machine

Clean Your Washing Machine Agitator for Fresher Laundry
Have you noticed your laundry not smelling as fresh as it should? Perhaps your washing machine has a musty odor. The often-overlooked agitator in your top-loading washing machine might be the culprit. This central post helps your clothes move during the wash cycle. Over time, soap scum, lint, dirt, and even mold can accumulate on and inside the agitator.
Cleaning the agitator is a crucial step in maintaining a hygienic washing machine. It ensures your clothes get truly clean. A dirty agitator can transfer grime back onto your laundry, undoing all your hard work. This guide will show you exactly how to clean agitator in washing machine models with ease. I will walk you through the steps to remove the agitator, clean its components, and then clean the area underneath. By the end, you will have a cleaner machine and fresher clothes.
Takeaway:
- Unplug the washing machine before starting any cleaning.
- Locate and remove the agitator cap and bolt.
- Lift the agitator off the drive shaft carefully.
- Scrub the agitator and its parts with a gentle cleaner.
- Clean the tub area thoroughly where the agitator sits.
- Reassemble and run a cleaning cycle.
The main query is how to clean an agitator in a washing machine. To clean your washing machine agitator, first unplug the appliance for safety. Then, remove the agitator cap and unscrew the bolt holding it in place. Carefully pull the agitator upwards to remove it. Scrub all agitator parts and the tub area with a mix of warm water and a mild detergent, or a vinegar and baking soda solution. Rinse well, reassemble, and run a cleaning cycle.
Understanding Your Washing Machine Agitator
The agitator is the large, finned spindle found in the center of top-loading washing machines. It rotates back and forth, moving your clothes through the water and detergent. This motion helps dislodge dirt and stains from fabric. Without a functioning and clean agitator, your clothes would not get a proper wash.
However, this constant interaction with dirty clothes and water leads to buildup. Residue from detergents, fabric softeners, lint, and even body oils can stick to its surfaces. This creates a breeding ground for bacteria and mold. You might see slimy residue or dark spots on the agitator.
A dirty agitator directly impacts your laundry’s cleanliness. It can leave behind unseen grime or unpleasant odors on your freshly washed items. Keeping it clean ensures maximum washing efficiency. A clean agitator also helps extend the life of your appliance.
Neglecting agitator cleaning can also lead to foul smells. This happens when mold and mildew grow in dark, damp areas. These areas include the agitator’s underside and inside mechanisms. Regular cleaning prevents these odors from developing and spreading to your laundry. You can learn more about general washing machine mold issues by reading how to clean mold from washing machine.
Essential Tools and Safety Precautions
Before you begin cleaning your agitator, gather all the necessary tools. Having everything ready will make the process smoother and faster. You will need a few simple household items. Most of these items are probably already in your cleaning cabinet.
First, you will need a screwdriver or a socket wrench. The specific tool depends on how your agitator is secured. Most agitators have either a central bolt or a cap with screws. You will also need a soft brush or an old toothbrush for scrubbing. A non-abrasive cloth or sponge will be useful too.
For cleaning solutions, gather white vinegar and baking soda. These natural cleaners are effective and safe for your machine. You can also use a mild dish soap or a specialized washing machine cleaner. A bucket or basin will be handy for soaking small parts. Finally, you might want a flashlight to see into darker areas of the tub.
Safety is the most important step before starting any appliance maintenance. Always unplug your washing machine from the power outlet. This prevents any accidental starts and protects you from electrical shock. Turn off the water supply valves as well. This prevents water from flowing into the machine while you work. Take your time with each step. Do not rush the process.
Wear gloves to protect your hands from cleaning solutions and grime. Ensure the area around your washing machine is dry to prevent slips. If you are unsure about any step, consult your washing machine’s manual. Your manual provides specific instructions for your model.
Step-by-Step Agitator Removal Guide
Removing the agitator is the first critical step in a thorough cleaning. While it might seem daunting, it is often simpler than you think. Most top-loading washing machines have similar agitator designs. I will walk you through the common removal methods.
First, locate the agitator cap. This is usually a small, round or square cover at the very top center of the agitator. Pry this cap off carefully. You can use a flathead screwdriver or your fingers. Be gentle to avoid scratching or breaking the plastic. Sometimes, the cap just pops off. Other times, it might be screwed in place.
Once the cap is off, you will likely see a bolt or a screw holding the agitator in place. This bolt is usually a large one, often a hex bolt. Use a socket wrench or the appropriate screwdriver to loosen and remove this bolt. Turn it counter-clockwise to loosen. Keep the bolt and cap in a safe place. You do not want to lose these small parts.
Now, with the bolt removed, the agitator is ready to come off. Grasp the agitator firmly at its base. Pull it straight upwards. It might require a bit of force or wiggling. Sometimes, years of buildup can make it stick. You can try rocking it gently from side to side as you pull. If it’s still stuck, try pouring some warm water around the base to loosen any hardened grime. Do not use excessive force. For some models, the agitator may separate into two pieces as you pull. Keep track of all parts.
Deep Cleaning the Agitator Components
With the agitator removed, you can now give it a thorough cleaning. You will be surprised by the amount of grime that accumulates on these parts. This deep clean restores your agitator’s effectiveness. It also prevents future odor and residue transfer to your clothes.
Take the removed agitator and place it in a large utility sink or bathtub. You will want plenty of space to work. Begin by rinsing the agitator with warm water. This removes loose dirt and lint. Pay close attention to the fins and any crevices.
Next, prepare your cleaning solution. I find a mix of equal parts white vinegar and warm water works wonders. For tougher buildup, you can make a paste with baking soda and a little water. Apply this paste directly to stubborn areas. For more general cleaning ideas using these common household items, you can explore guides like how to clean with vinegar and baking soda.
Use a soft brush, an old toothbrush, or a non-abrasive sponge to scrub every surface of the agitator. Pay special attention to the underside and inside where the shaft connects. These areas often harbor the most mold and mildew. If you find dark, slimy spots, those are likely mold. Scrub them until they are gone. You can also soak smaller agitator components, like the cap or the bolt, in the vinegar solution for 30 minutes. This helps loosen grime. You can find more cleaning ideas using these ingredients in guides like how to clean washing machine with baking soda and vinegar.
After scrubbing, rinse all agitator components thoroughly with clean water. Make sure no cleaning solution residue remains. Let the parts air dry completely before reassembling. This prevents moisture buildup that can lead to new mold growth.
Cleaning the Washing Machine Tub Under the Agitator
Removing the agitator reveals a hidden, often very dirty, part of your washing machine: the tub area directly underneath. This space is a prime spot for stagnant water, detergent residue, and mold growth. Cleaning this area is just as important as cleaning the agitator itself. Neglecting it means leaving a source of odors and grime right where your clothes are washed.
Start by using a flashlight to inspect the exposed drum area. You might see layers of dark, slimy buildup, especially around the drive shaft. This buildup is a combination of lint, soap scum, and hard water minerals. These deposits create an ideal environment for bacteria and mold to thrive. Removing this grime is vital for a truly clean machine.
Prepare your cleaning solution. I prefer a mixture of warm water and white vinegar for this. You can also add a few tablespoons of baking soda to create a fizzing action. This helps lift stubborn grime. Dip a non-abrasive sponge or cloth into the solution.
Begin scrubbing the exposed base of the tub. Work your way around the central shaft. Use an old toothbrush to get into tight corners and around any exposed bolts or mechanisms. You might need to apply a bit of elbow grease for tough spots. If you encounter significant mold, a dedicated mold cleaner or a stronger bleach solution (used carefully and rinsed thoroughly) might be necessary. However, for most situations, vinegar and baking soda are highly effective. For specific top-loader cleaning, like maintaining filter efficiency, knowing how to clean components such as the Samsung washing machine filter top loader can also be helpful.
Once you have scrubbed the area clean, wipe it down with a clean, damp cloth. Make sure all cleaning solution and loosened grime are removed. Then, dry the area completely with a fresh towel. A dry environment discourages mold from returning.
Reassembling and Running a Maintenance Cycle
After all the components are sparkling clean and dry, it is time to put your washing machine back together. This step is usually straightforward, essentially reversing the removal process. Proper reassembly ensures your washing machine functions correctly and safely.
First, carefully position the cleaned agitator back onto the drive shaft in the center of the tub. Align any grooves or splines on the agitator with those on the shaft. Gently push the agitator down until it seats firmly. It should slide down without too much resistance. Do not force it. If it resists, check for any obstructions or misalignment.
Once the agitator is seated, reinsert the central bolt or screw. Tighten it securely with your socket wrench or screwdriver. Ensure it is snug but do not overtighten, as this could damage the plastic or the bolt itself. Finally, replace the agitator cap firmly. Make sure it snaps or screws back into place.
With the agitator reassembled, plug your washing machine back into the power outlet. Turn the water supply valves back on. Now, it is time to run a maintenance cycle. This cycle rinses away any lingering cleaning solution residue from the inside of the machine. It also helps to further clean any remaining gunk you might have missed.
Add about two cups of white vinegar directly into the washing machine tub. You can also sprinkle half a cup of baking soda for an extra cleaning boost. Set the machine to its hottest water setting and the largest load size. Choose a heavy-duty or cleaning cycle if your machine has one. Let the cycle run completely. This final step ensures your machine is ready to wash clothes efficiently and without transferring any cleaning product odors.
Tips for Preventing Future Buildup
A clean agitator makes a big difference in laundry freshness. However, consistency is key to keeping it clean. Regular maintenance prevents the buildup from returning quickly. I have found a few simple habits make a huge impact on machine cleanliness.
First, always use the correct amount of detergent. Overdosing on detergent creates excessive suds and residue. This residue does not fully rinse away and accumulates on the agitator and in the tub. Check your detergent’s instructions for proper measurement. Different detergents have different concentrations. Using too much detergent is a common mistake.
Next, leave the washing machine lid open after each load. This allows the interior of the drum and agitator to air dry. A damp, closed environment is ideal for mold and mildew growth. Air circulation is vital for preventing unpleasant, musty odors. If you cannot leave the lid fully open, try propping it open a few inches.
Consider doing a regular cleaning cycle every month or two. You can use specialized washing machine cleaners for this. Alternatively, run an empty cycle with two cups of white vinegar and half a cup of baking soda. This helps flush out residue from the entire machine, including parts you cannot easily reach. This routine helps maintain overall machine hygiene. This also benefits other components like the rubber gasket in washing machine or the softener dispenser in washing machine.
Finally, use high-efficiency (HE) detergent if your machine is an HE model. HE detergents are low-sudsing and designed to work with less water. Using regular detergent in an HE machine can lead to excess suds and residue buildup. These small changes will keep your agitator cleaner for longer.
Common Questions About Agitator Cleaning
How often should I clean my washing machine agitator? I recommend cleaning your washing machine agitator every three to six months. This frequency depends on how often you do laundry. If you wash large loads frequently or use a lot of fabric softener, you might need to clean it more often. Regular cleaning prevents stubborn buildup and unpleasant odors. It ensures your machine runs efficiently.
What if my agitator does not come off? Some agitators are not designed to be removed by the user. If you cannot find a bolt or cap, or if it feels firmly fixed after removing the bolt, do not force it. Consult your washing machine’s user manual. It might have specific instructions or indicate if the agitator is non-removable. You can still clean accessible parts without full removal.
Can I use bleach to clean the agitator? Yes, you can use bleach. Mix half a cup of bleach with a gallon of water. Use this solution to scrub the agitator. However, rinse thoroughly to remove all bleach residue. Bleach can damage some washing machine components if left on too long. Always test on an inconspicuous area first.
Why does my washing machine smell even after cleaning the agitator? A lingering smell means other parts of your washing machine need attention. Check the detergent dispenser, fabric softener dispenser, and the rubber gasket (if present). Mold and mildew can hide in these areas. Running an empty hot water cycle with vinegar and baking soda also helps clean the entire tub and internal hoses.
What causes buildup on the agitator? Buildup on the agitator is a mix of detergent residue, fabric softener, lint, dirt from clothes, and hard water minerals. Over time, these particles stick together and create a film. This film can then become a breeding ground for mold and bacteria due to the damp environment inside the machine.
Is cleaning the agitator necessary for all washing machines? Cleaning the agitator is primarily necessary for top-loading washing machines that have a central agitator post. Front-loading machines and some newer top-loaders use an impeller plate instead of an agitator. While these machines do not have an agitator to clean, they still require regular cleaning of their internal components, such as the drum and detergent dispenser, to prevent odors and buildup.
Conclusion
Cleaning your washing machine agitator is a simple yet impactful task for maintaining a fresh and efficient laundry routine. I have guided you through the necessary steps, from gathering your tools to the final maintenance cycle. This process helps remove unpleasant odors, unsightly buildup, and harmful mold. A clean agitator means your clothes will come out genuinely clean and smelling fresh, every single time.
Taking the time to clean agitator in washing machine models ensures your appliance performs its best. It extends its lifespan and prevents potential issues like residue on your laundry. Remember, regular maintenance is key to keeping all your home appliances in top condition. Make agitator cleaning a part of your regular home maintenance schedule. Your clothes, and your nose, will thank you for it!
- washing machine cleaning
- agitator cleaning
- appliance maintenance
- laundry tips
- mold removal
- top-loader care