Dyson DC07 Animal Bagless Upright Cyclonic Vacuum

How to Identify and Fix Common Vacuum Problems ?

Our sources include academic articles, blog posts, and personal essays from experienced Vacuum Technicians :

What should I do? If your vacuum cleaner whistles, this is usually a sign that your device can`t suck in sufficient air. Often, it`s the dust container or bag that`s full. Check these first and exchange them if necessary.
If your machine is making a whistling noise, this indicates that there is a blockage or a damaged or missing seal. Remove the floor tool from the extension tube. Check for blockages and remove as necessary.
A Dyson vacuum cleaner has a lifespan of around 10 years. This is considerably longer than most other vacuums. So, if you`re looking for a high-quality vacuum cleaner that will last you for a long time, a Dyson could be a good choice. However, remember that Dyson vacuums are expensive.
Check the machine. A high pitch whistle could indicate a seal is damaged or the machine is blocked. If the noise occurs without the Wand and Cleaner head, it is likely to be caused by either the bin or cyclone.
Check the LED light to determine the battery level. A solid blue light indicates that the machine is in normal operating mode. A flashing blue light indicates that there is no power, and the battery needs to be charged for a minimum of 3.5 hours.
If you listen very carefully, sometimes you can hear a “hiss” sound that is the signal of a vacuum leak. However, the most common way to notice this is when the engine loses fuel efficiency. The reason for this is due to the fact that vehicle exhaust is delayed on exiting the combustion chamber.
Low suction or poor pick-up may be due to a clog in the vacuum cleaner. If you notice a change in the sound of the motor or a reduction in the spinning action, check for clogs. First, remove the Easy Empty dirt tank from the vacuum and discard all dirt and debris.
If you use a Dyson cordless vacuum cleaner, you`ll probably be familiar with a sort of “boing” sound whenever you stop cleaning as the motor winds down. But did you know that the “boing” sound is intentional and designed to give the device a bit of character? Don`t worry, we didn`t either.
A WARNING TO ALL DYSON USERS: Do not under any circumstances vacuum up any fine white powders/particles with your Dyson vacuum. It will kill the motor and it is NOT covered under the warranty. This includes things like white powder carpet cleaners (carpet fresh, etc), baby powder, baking soda, cornstarch, etc.
If the noise is intrusive, switching the machine off at the wall will stop the noise, or altering the position of the product in the room might make the noise less audible.
Sometimes your vacuum pulsates on and off or keeps dying when using the extra powerful `Max Mode`, which can be related to the charge of your battery. Try turning this function off by pressing the Max button on your vacuum.

Relevant Questions and Answers :

the most relevant questions and answers related to your specific issue

Loud noise when engaged for carpet cleaning. I believe it needs a new clutch? Is this under warranty?
ANSWER : Yes it is if your unit is under 1 year or your mite be lucky and it mite the 2 years on it 

I have a dyson dc07 with a malfuncitoning clutch diagnosed here on fixya. I’ve replaced the clutch and the grinding noise when the clutch is engaged for carpet and non rotating brush problem presists. This is after replacement of the clutch with a new part. Install of the new part went well and there are no otehr apparent problems with the unit. Ideas? The unit is only a couple years old and not used that much on carpet. For an expensive vacuum I’m not that impressed with it at this point.
ANSWER : Greetings from GoVacuum,
.If you have replaced the clutch already, then this can really only be one other problem, and that is the roller brush. If the roller brush’s bearing have locked up, and the brush is no longer spinning, this is going to cause the clutch to make that horrible grinding noise, and a lot of people incorrectly think automatically that the clutch needs to be replaced.
.Here’s a very easy way that you can test the roller brush on your Dyson to see if it may have gone bad. In 10 years of fixing and selling vacuum cleaners, I have never seen such a cheap roller brush that’s in the Dyson DC07 models with clutches, unfortunately this is notorious problem we see on this particular model.
.Ok, so to test out the brush, make sure the vacuum is unplugged, and turn it upside down. Remove the 3 plastic screws on the bottom plate, and remove the bottom plate to expose the brush completely.
.You may then simply pull upwards on the roller brush, and take the brush out of the belt that is wrapped around it. After the brush has been completely removed from the vacuum cleaner, hold the brush with only your pointer fingers in each hand, and only put your pointer fingers on the outside of the bearing caps on each side of the roller brush.
.While holding only the bearing caps with your fingers, try to spin the brush with your thumbs. The brush should spin freely in your fingers, and you should get a good 5 or 6 rotations with each spin.
.If the brush doesn’t spin, then your roller brush has gone bad. Espcecially with home that have long haired pets, or females, the hair gets between the bearing cap and the bearing inside and causes the plastic caps that are covering the bearings to heat up, ultimately causing the bearing caps to melt, and finally the bearings sieze, and the brush will no longer spin freely which is why the clutch makes that awful noise.
.Good news is that the roller brush is not as expensive or as difficult to replace as the clutch was. You may purchase the DC07 roller brush here;
.Genuine Dyson DC-07 Roller Brush for Models That Use a Clutch Part # 904174-01
.If your roller brush does spin, then I’m baffled as to what could be causing the clutch to make noise, but I’d like to try and help you figure this out.
.Please send me an email to [email protected], or just request a clarification request here on Fixya, and I’d be more then happy to try and diagnosis this Dyson further for you.
.If this Solution was helpful to you, please rate the repair as helpful by clicking on the 4 Thumbs Up Icons in the top right hand corner of this solution.
.Thank you so much, I hope that this helps you.
.Chris Jones

My carpet cleaner (bissell proheat plus) is not steaming, dispensing cleaner. Seems like there’s a little thingy that should be spinning or turning….. When I work a small area of carpet, it just leaves behind dry blobs of carpet gunk like pet hair. I had to use a carpet sweeper to clean up. FYI – I filled the cleaning fluid container and after trying to clean the carpet, it did empty out but the carpet isn’t wet. Any tips? The manual doesn’t help.
ANSWER : You need to replace the pump belt. Here is the belt you need:

Bissell ProHeat Belt

Carpet cleaning brush noise. When put in carpet cleaning mode, a loud noise comes from the brush bar area. We see no visible obstructions and have cleared threads and hair.
ANSWER : It’s likely that one of the brush roll bearings has worn out. This is not uncommon. I think you’ll find that you have to replace both the brush roll and the sole plate at the same time. Dyson sell them together as a kit.

Carpet stained recently cleaned my cream coloured carpet in my entrance hall with a carpet cleaning product, wet foamy spray type, ran out of this and found a part bottle of a different brand in my cupboard, used this to finish off however must be some sort of reaction and carpet gone a greenish colour i think (colour blind sorry ) any idea’s of any product that might restore my carpet, will try anything, nothing to loose. thank you Peter McGurk Goole East Yorks
ANSWER : Ok in the future try to have carpet cleaned only by a pro. For spot cleaning use white paper towels or dish towels and warm water. (ONLY WHITE) 99% of fabric is white and then dyed to color and if you use a color cloth you might pull the dye from the cloth into the carpet. Now what you can try is your basic dishwashing detergent like electrosal with warm water and a dishtowel. little at a time try to blot not rub. try AFTA if that doesnt work. wet the rag first with warm water. pour the afta on the wet rag not on the carpet.

My older Dyson DC14 (the purple one) early model with a clutch on the beater bar belt needs a clutch replacement. The bar has been cleaned and there are no worn or damaged parts so I conclude that the clutch at the motor end of the belt needs to be replaced. I can find the part online but no instructions on how to disassemble the vacuum to get to and replace it. Dysons only advice is to give me the address and phone of the nearest service center. Can you help me?
ANSWER : Have a look at www.dysonmedic.com which has some very useful info on dismantling and repairing Dysons.
.Although this site doesnt actually cover the DC14 yet, the DC14 is very similar to the DC07 so as regards dissassembling the machine, and replacing the clutch, my experience is that the DC07 info will enable you to do the job.

Terrible noise My dyson was working great then started making this horrible noise. I cleaned the bar but noise is still there. I discovered the beater bar went around three passes then froze and started horrible noise again. my husband got the bar turning but after 2 swipes vacuuming it did it again. Can it be fixed or is it time to retire it and buy a new one. Wendy Kiser
ANSWER : That noise is the clutch. A very expensive part and very hard to replace. When a problem with the clutch happens it’s generally not worth the time and money to replace.

I suggest getting a different type of vacuum, maybe a Miele or Sebo. With the money spent on one of those vacuums, you wont have problems like you would with a Dyson. And the cleaning power is so much more powerful than what any Dyson can offer.

Weird noise i have a eureka the boss and i am getting a weird noise figured bag was full needed to change it so i did. Noise persisted so i checked make sure nothing was caught in the brushes. I even checked the belt it was fine replaced with a new one.Still the noise is there help me I am out of what else to check.
ANSWER : Squealing