How to Clean a Bissell Carpet Cleaner in 5 Steps and Extend Its Lifespan

You pull the Bissell out of the closet. Ready to blast through a month’s worth of coffee, correction, spills, and the first thing you notice is the smell.

Sour, wet dog. Maybe even a little musty.

That’s your machine telling you that cleaning the carpets isn’t enough, and let me tell you, the Bissell carpet cleaner itself demands a deep clean. Ignore it, and you’re just rubbing yesterday’s grime back into the fibers. Knowing how to clean a Bissell carpet cleaner properly can restore the suction to factory levels.

Then again, consider this: kill odors at the source, and save you from an expensive service call.

Key Point

• If you skip the post-rinse on the dirty water tank, that bio-film starts growing in about 24 hours — and it’s the #1 reason your Bissell smells like a swamp.
• Most suction problems aren’t motor failure. They’re a matted hair plug inside the nozzle that takes less than five minutes to clear with the right tool.
• The brush roll cover, held by a simple Phillips-head screw on most models, hides enough tangled carpet fiber to strain the belt and burn out the motor early.

Key Takeaways

• Deep cleaning the machine takes about 30 to 45 minutes of hands-on work, but it pays off with noticeably stronger water lift immediately afterward.
• Always air dry components for at least 24 hours before reassembly; skipping this is how mold grows inside the machine and creates electrical shorts.
• The black rubber gaskets on both tanks are the unsung heroes of suction — a single dried-out or dirty seal kills vacuum performance.

TL; DR

• Empty the dirty tank right after use and rinse it with warm soapy water to stop bacteria from turning your machine into an odor bomb.
• Use the Nozzle Clean Out Tool or a thin wire to remove the matted hair plug that forms behind the clear nozzle cover on nearly every Bissell model.
• Unhook the brush roll cover and cut away wrapped fibers with scissors so the belt doesn't slip, saving you a $15 to $28 replacement over time.

What You’ll Need

Before you start, gather these items. You don't need anything fancy. A Phillips-head screwdriver is almost pretty much always required for the brush roll cover.

• A Phillips-head screwdriver (usually #2)
• The Bissell Nozzle Clean Out Tool (comes with most machines) or a stiff thin wire
• Warm water
• Mild dish soap (not vinegar, which can eat the rubber seals)
• Scissors or a seam ripper for cutting wrapped fibers
• A couple of clean microfiber cloths or paper towels
• A soft-bristled brush or old toothbrush
• Time: about 30 to 45 minutes
• Skill level: Beginner, but be gentle with plastic clips

Step 1: Empty and Rinse the Dirty Water Tank Immediately

The basic rule: never let dirty water sit inside the machine overnight. Even if you think you’ll get to it tomorrow, that short window is all the bacteria need to multiply and create the infamous "wet dog" smell that taints every future carpet pass.

Take the dirty water tank off the machine, and dump it down a utility sink. Not your bathtub, because the debris, and hair can clog bathroom drains. Rinse the tank with warm water. Add a drop or two of mild dish soap, agitate it around.

Scrub any gunk spots with your soft brush. Pay attention to the tank’s bottom corners. Those always hold a small amount of stagnant water.

Many Bissell owners on forums gripe that the tank design almost never empties completely. From what we can tell, you might need to tip — wait. Let me rephrase, it at an odd angle to get the last bit out.

After washing, leave the tank upside down on a towel to start the air drying process. Don't reattach it until you’ve completed the rest of the deep clean.

Step 2: Clear the Nozzle and Brush Roll of Hair and Debris

The nozzle is where most the majority’s suction complaints originate. Not a broken motor. Generally speaking, just a plug of matted hair, and carpet fuzz that's compressed into a solid wall behind the clear plastic cover.

You could say pop off the clear nozzle cover (it usually snaps off without resources), and honestly; if you spot a soggy, tangled wad of fibers, that’s your culprit. Use the Nozzle Clean Out Tool that came with the Bissell. Here's the other side of it. Now flip that around. It’s a little plastic hook. Or a stiff wire from a coat hanger to pull out the clog.

Consider this: be careful not to scratch the plastic surfaces, so what surprises most the majority is just how much pet hair and lint can accumulate in there after only one room.

The cover is off might be true, but look at the brush roll, so if you see hair wound tightly around the bristles and axle, cut it away with scissors. Pulling it loose can damage the bearings.

Com/how-to-clean-a-bissell-pet-carpet-cleaner/">cleaning a Bissell pet carpet cleaner, where fur collects fast. Clear everything out, and give the area a wipe with a damp cloth. Keep this in mind; it shows up again soon.

Step 3: Remove and Clean the Brush Roll Cover and Belt Area

Now you tackle what’s behind the brush roll, and on most upright Bissell models, the brush roll cover is held by a couple of Phillips-head screws. Which brings up an interesting point. Grab that screwdriver. Remove the cover slowly; there might be a little tension from the belt, so hold the brush roll steady while you lift.

With the cover off, you’ll usually find a thick layer of (which completely makes sense logically) stuck carpet lint, and hair plastered against the housing. Scrape it off with an established toothbrush.

Then inspect the belt. If it looks cracked, glazed, or loose, you might want to swap it soon; a new belt is only a few bucks and beats having the machine quit mid-job. The brush roll itself might need a deeper cleaning. Especially if you own a model like the ProHeat 2X.

Com/how-to-clean-a-bissell-proheat-2x-revolution/">how to clean a Bissell Proheat 2X Revolution.

Remove the brush roll fully. Often it simply pulls out to one side. It’s worth noting that wipe down the metal end caps and the housing where the roll rests. Any gunk in that channel adds friction, and friction equals a hotter motor and shorter belt life.

Step 4: Inspect and Clean the Filters and Gaskets

Picking up that thread from before, there're two small, but critical parts that almost nobody checks until the machine stops sucking completely. The red lint screen (or mesh filter) in the dirty water tank area. Not always the case, and the black rubber gaskets on both the clean and dirty water tanks.

For one, locate the red filter. It’s usually inside the dirty water tank basin, sometimes tucked behind a small flap. Rinse it under warm water.

Rub off any residue with your finger. If it’s discolored or torn, order a replacement directly from Bissell; it’s cheap and key for keeping debris out (and that implies quite a bit) of the motor. Keep that in mind. Hang on – there's more. Clogged filters restrict airflow.

That’s a direct hit to water lift.

Taking a step back here, now the gaskets. These are the flat rubber rings around the tank openings. Wipe them gently with a damp cloth, checking for cracks or stiffness — which is why if you see deep cracks, replace the gasket; otherwise.

Don’t overlook the hose gasket. If your model has a tool hose. Com/how-to-take-apart-bissell-carpet-cleaner-to-clean/">how to take apart a Bissell carpet cleaner.

Step 5: Reassemble and Let Everything Air Dry Completely

From a practical standpoint, yet. Here’s the step that separates a lasting clean from a snappy fix that backfires. From a practical standpoint, after you’ve washed every component. Don’t snap the machine together right away. Let all parts air dry for at least 24 hours.

Including the dirty water tank, clean water tank (if you took it apart), brush roll cover, and the nozzle cover, that. Putting the machine away damp creates the perfect humid environment for mold (at least in plenty of practical scenarios) inside the internal airway. Which you’ll smell the second you use it next.

Damp electronics are an incredible way to fry the control board.

Lay everything on a towel in a warm, dry spot. A sunny windowsill works well.

Once fully dry, reassemble in reverse order: brush roll, belt, cover, nozzle, tanks. Before you run the machine, do a short rinse-only pass on a scrap rug with plain hot water.

This flushes out any remaining soap that might, actually. Hold on, have gelled in the lines during the cleaning downtime.

By now, your Bissell should pull water as strongly as it did. When you first unboxed it. 99 per 60oz bottle. By the way, will also go further. Because the machine isn’t losing suction or spraying dirty residue.

Surprising, not really. Not always the case, and since standard Bissell warranties run between 2 to 5 years (limited), and regular maintenance like this keeps you well within coverage by preventing neglect-related damage.

Troubleshooting Common Mistakes

Even after a deep clean. A few things can go wrong. Here are the most common problems and how to fix them speedy.

Why does my Bissell still smell even after cleaning?

Yet, usually. Because the dirty water tank wasn’t rinsed thoroughly. Or the rubber gasket harbors a slimy film. Take the tank apart again and scrub the gasket with a toothbrush, which means if that doesn’t work. Let the tank sit overnight filled with warm water and a teaspoon of mild soap, then rinse. Avoid vinegar; Bissell engineering support notes that high-concentration vinegar degrades internal rubber seals.

The suction is weak despite cleaning the nozzle

In most scenarios, check the red lint screen inside the dirty water basin, so it often gets overlooked. Also double-check the tank seal’s alignment. If the tank isn’t seated perfectly.

A click sound typically confirms proper seating.

Water is leaking from the bottom

Examine the brush roll cover for cracks or missing screws. Consider this: sometimes the gasket on the solution tank or the pump line connection has a tiny tear. Replacing that gasket fixes the leak usually, and the part is usually under five dollars.

The brush roll won’t spin after reassembly

The belt might've slipped off the motor spindle during cleaning. Open the cover again, and make sure the belt is looped correctly around the motor shaft and the brush roll pulley. Also confirm the brush roll end caps are seated fully in the housing.

Plastic clips broke when I took the tank apart

Bissell’s tank clips are known to be fragile. The thing is, if a latch snaps, you can constantly secure the tank with a strip (more on that later) of velcro in a pinch. But ordering a replacement tank assembly is the permanent fix.

What to Do Next

After you’ve reassembled and run a rinse pass. Store the Bissell upright with the tanks off and slightly ajar so airflow continues. The best follow-up is to set a repeating reminder to clean the machine every three months. Or every month if you've pets.

Com/how-to-clean-bissell-pet-pro/">how to clean a Bissell Pet Pro walks through extra steps that keep the suction at its peak. The follow-up question is obvious. And if your carpets need a — wait. Let me rephrase, refresh before you use the machine again. Com/how-to-clean-disgusting-carpet-by-hand/">how to clean a disgusting carpet by hand to tackle the really stubborn spots first.

People Also Ask

What is the best way to clean a Bissell carpet cleaner nozzle?

Unclip the clear cover and remove the hair plug with the Nozzle Clean Out Tool; if you don't have it, a stiff wire from a clothes hanger works; just avoid scratching the rubber gasket. Stick with me here. It clicks once you see it in action. The biggest buildup happens right behind the cover. So remove that plug completely to restore suction.

Can I use vinegar to clean my Bissell carpet cleaner?

Bissell support more exactly warns against using high-concentration vinegar. Because it degrades internal rubber seals. Stick with warm water and a drop of mild dish soap. Or a rinse-only pass with plain water to flush out old solution.

How often should I deep clean my Bissell carpet cleaner?

A thorough deep clean every 3 months is enough for a lightly used machine, so if you've pets or use it weekly, bump that to once a month to keep clogs and odors under control.

Why does my Bissell carpet cleaner smell like wet dog after I use it?

Stagnant water left in the dirty tank breeds bacteria that produce sulfur compounds. Ultimately, rinse the tank with soapy water immediately after each use. And let it dry completely before reassembly to kill the source.

FAQs

Does cleaning the brush roll really extend the motor life?

Yes. And tangled hair and debris increase resistance. Making the motor work harder and the belt slip. Clearing it reduces strain straight up. Which is why independent repair techs often cite a clean brush roll as the cheapest way to avoid a burned-out motor.

What tools do I absolutely need to clean the machine?

A Phillips-head screwdriver, the Nozzle Clean Out Tool, scissors, and a soft brush. You've probably wondered the same thing. That’s it. Most of the job is just water and patience.

Is it safe to submerge the brush roll in water?

Up until recently, this is exactly what that first point lead to. You can rinse the brush roll under running water. Almost never soak the ends where the bearings are. An unexpected detail. Water inside the bearing housing will in the end rust. Cause a grinding noise.

Wipe the metal ends with a damp cloth instead.

🔍 Research Sources

Verified high-authority references used for this article

1. support.bissell.com
2. consumerreports.org
3. goodhousekeeping.com
4. bhg.com