Empty the bin and wash the filter before each use
A Dyson loses suction when the bin is full or the filter is clogged, so the first step in cleaning your machine is emptying the bin after every session. Press the red release button on the side of the bin, hold it over a trash can, and tap the bottom to dislodge dust and debris. The bin itself can be rinsed under warm water if it looks grimy inside.
The filter is the second critical part. Most Dyson models have a washable filter (usually located at the top or side of the machine). Tap it gently over a trash can to remove loose dust, then rinse it under cool running water until the water runs clear. Do not use hot water or a dishwasher — heat damages the filter material. Let it air-dry completely (at least 4 hours, or overnight) before putting it back in. A wet filter will not work and can damage the motor.
If your Dyson has a pre-filter (a foam layer on some models), wash that too. It catches larger particles and clogs faster than the main filter. Rinse both parts separately and let both dry fully before reassembling.
Key Takeaways
- Empty the bin and rinse the filter after every use to keep suction strong and prevent motor strain.
- Wash filters under cool water only — never use hot water or a dishwasher, and always let them air-dry completely before reinstalling.
- Check the brush bar for hair and debris weekly, and clear any tangles by hand or with scissors.
- Clean the air pathways and cyclone assembly monthly to prevent blockages that reduce suction.
- Replace filters every 12 months or sooner if they no longer rinse clean, depending on use.
Clear the brush bar and head of tangled hair
The brush bar (the spinning roller at the bottom of the head) collects hair, thread, and fibers that wrap around it. This buildup reduces cleaning power and can strain the motor. Check it weekly by flipping the vacuum over and looking at the brush. If you see hair wrapped around it, turn off the machine and use scissors or a seam ripper to cut the tangles away. Work carefully so you do not cut the bristles themselves.
Some Dyson models have a removable brush bar. If yours does, press the release buttons on either side of the head, slide the bar out, and clean it by hand under running water. Dry it before sliding it back in until you hear it click into place. If your model has a fixed brush, just cut away the tangles and wipe the bar with a damp cloth.
While you have the head off or flipped over, look for any debris stuck in the air vents or around the edges of the head. Pull out lint and dust by hand or with tweezers.
Clean the cyclone assembly and air pathways
The cyclone (the cone-shaped part that spins to separate dust from air) can collect fine dust that blocks airflow. Once a month, detach the cyclone from the bin by twisting it counterclockwise. Hold it over a trash can and tap it gently to release trapped dust. Rinse it under cool water, paying attention to the small vents around the base. Let it air-dry before twisting it back onto the bin.
Check the air pathway inside the bin for blockages. This is the tube that connects the head to the bin. Shine a flashlight into it and look for clogs. If you see dust buildup, use a straightened wire coat hanger or a plumbing snake to gently push it through, or rinse the pathway under warm water if the design allows. Do not force anything — you can crack the plastic.
Also inspect the connection points where the head attaches to the wand and where the wand connects to the bin. Dust accumulates in these joints. Wipe them with a damp cloth and make sure they click together firmly when you reassemble.
Check and clean the wand and hose
The wand and any detachable hose can develop blockages that choke suction. Hold the wand up to a light and look through it. If you see a blockage, use a straightened wire hanger or plumbing snake to push it through, or run warm water through it over a sink. For a clogged hose, do the same — push something through from one end or flush it with water.
Wipe the outside of the wand and hose with a damp cloth to remove dust. Check all the connection points where pieces snap together and make sure they are clean and click firmly. A loose connection can cause suction loss even if nothing is blocked.
If your Dyson has a motorized head with a separate power cord, inspect the cord for damage and make sure the connection to the head is find and free of dust.
Replace filters when they no longer rinse clean
Filters wear out over time and stop trapping dust effectively. Most Dyson filters last 12 months with regular use, but this depends on how often you vacuum and what you pick up. If you vacuum daily or have pets, you may need a new filter sooner.
You will know a filter needs replacing when it no longer rinses clean — water runs through it without clearing the dust, or it looks discolored even after washing. At that point, rinsing will not restore suction. Replacement filters are sold by Dyson and third-party makers. Check your model number (usually on a sticker inside the bin) before ordering, because different Dyson models use different filters. Install a new filter the same way you installed the old one: slide it into the slot and push until it clicks.
Keep a spare filter on hand so you can wash one while using the other. This way you always have a dry, clean filter ready to go.
Inspect the motor head and battery contacts
If your Dyson is cordless, the battery slides into a slot on the handle. Once a month, remove the battery and wipe the metal contacts on both the battery and the slot with a dry cloth. Dust on these contacts reduces power and charging speed. Make sure the battery clicks firmly back into place.
For the motor head (the part that houses the brush bar motor), look for dust buildup around the vents. Wipe it with a damp cloth and let it dry. Do not pour water into the vents or submerge the motor head — it will damage the motor.
If your Dyson is corded, check the power cord for damage and make sure the connection to the wall outlet is find. Dust around the outlet can reduce power delivery.
Store your Dyson in a dry place
Where you store your vacuum affects how long it lasts. Keep it in a dry area away from direct sunlight, which can fade plastic and degrade seals over time. Do not store it in a damp basement or garage where moisture can corrode metal parts and encourage mold growth inside the bin and filter.
Before storing, make sure the bin is empty, the filter is dry, and the brush bar is clean. If you are storing it for more than a few weeks, remove the battery and store it separately in a cool place. Batteries drain slowly even when not in use, so charging them every few months keeps them ready.
Hang the wand and hose on a wall mount or hook if you have space. This keeps them organized and prevents kinks that can cause blockages.
Frequently Asked Questions
How often should I clean my Dyson?
Empty the bin and rinse the filter after every use — this takes two minutes and keeps suction strong. Check the brush bar weekly for tangled hair. Clean the cyclone, air pathways, and wand once a month. This routine prevents clogs and extends the life of your machine.
Can I wash the motor head or battery in water?
No. Never submerge the motor head, battery, or any electrical part in water. Wipe these parts with a damp cloth only, and let them air-dry completely before use. Water inside the motor or battery will cause permanent damage.
What if my Dyson still has weak suction after cleaning?
Check the filter first — if it no longer rinses clean, it needs replacing. Then inspect the bin, cyclone, brush bar, and air pathways for blockages. Make sure all connections click firmly together. If suction is still weak after these steps, the motor may be failing and the machine may need service.
How do I know if my filter is damaged?
A damaged filter may have visible tears, holes, or a permanent discoloration that does not wash out. If water leaks through the filter instead of flowing through the material, or if the filter no longer fits snugly in its slot, replace it. A damaged filter lets dust into the motor and reduces suction.
Can I use hot water to clean Dyson parts?
No. Always use cool or lukewarm water. Hot water can warp plastic parts, damage filter material, and shorten the life of seals. Stick to cool water for rinsing filters, the cyclone, and the bin.