Question about Dyson DC14 Animal Bagless Upright Cyclonic Vacuum

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I get a loud grinding noise when the knob is set to carpet and the brush is engaged. I made all visual checks per the manual. Everything is clean in in order. The noise originates in the housing where the selector switch resides

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  • jamieei May 11, 2010

    is the brush turning normally while this is going on? Could be the belt is stretched out and slipping if the brush isn't turning at full speed. try it with the brush up off the carpet and see if the noise is still there



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Its probably the clutch assembly that switch's the brush off and on. i would take it to someone to fix it, it isn't an easy job.

Posted on Sep 14, 2009


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Loud noise on carpet setting. I've replaced the clutch which comes with 2 new belts and the roller brush.

The answer may depend a bit on the specific model, but it sounds like you're handy enough to have gone in and replaced the clutch. A couple of other thoughts, based in part on doing similar things to my DC07, which I picked up at a flea market and did a refurb on before my wife would let it in the house:
There is the clutch, the roller pin that turns the belt, the belt, the flat spot on the brush where the belt should roll, the brush, and the spots where the brush fits into the ends of the cleaner head.

By 'on carpet setting' I assume that's when you move the clutch to the carpet 'engaged' setting.

When you move the clutch in and out of engagement, is the movement smooth, or are there catches or places where you have to apply a lot of pressure (at least if this is a manual clutch, in some cases it's pushbutton engagement)> If there is resistance or sticky places in engaging/disengaging the clutch, you may need to open things up again and see if the clutch is in correctly.

With the vacuum on, move the vacuum between reclined and all-the-way-up, where it should disengage the brush and switch suction to the handle/auxiliary tool path. Does it turn off the brush and switch suction? If not, then the switch-over may be stuck or sticky and messing with smooth operation.

with vacuum off and clutch disengaged (bare floor mode) can you spin the brush easily with your hand? If you engage the clutch, can you roll the brush with some resistance? Is the resistance steady as you roll the brush through a few revolutions. If not steady, there could be something stuck to a shaft, gear, or belt that you'll only hear when those parts are moving.

A lot of hair or other cruft built up on the roller can make for vibrations, especially if it's stuck to the roller lopsided. Clean it up.

Finally, the brush has non-symmetric fixtures at the end that may not be at all obvious for how they fit into the ends. I know from experience that you can seem to get the brush head all back together when the brush ends aren't in fact seated properly. The system doesn't like this. May take some staring, but open the bottom up (vacuum off, of course), and see if the ends seem to be seated cleanly into complementary shapes.

Good Luck!

Nov 08, 2015 | Dyson Vacuums

1 Answer

Dyson dc17 makes loud noise on carpet setting. It's like a high pitch ringing almost but won't make the noise on hard floor, only carpet setting. Ive checked for blockages and cleaned all parts but makes...

It is probably the brush roll motor making the noise. Remove the brush roll & belt and turn both motors on. If you do not hear the noise when both motors are running the noise is likely coming from the brush roll

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1 Answer

Making a loud sound

could be that the clutch is bad or the brush roll needs to be removed, cleaned, ends removed and lubed. Try to spin the brush roll and see if it moves freely...if not, it needs to be cleaned and lubed at both ends. I fixed mine today by doing this...not an easy task to remove the brush roll, but it can be done:)

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Dyson DC33: rotating brush makes very loud noise when turned on and brush is engaged, i.e for carpets

Hi Janna,

Per my previous reply, please give us a call on 1-866-693-9766, or email us at, as we'd be happy to provide assistance with this issue.

We'll look forward to hearing from you.

Best wishes,

Dyson Online Customer Support

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1 Answer

Loud noise with belt protection system On

Hi there,

I'm sorry to hear you're having difficulties with your DC14. The knob you're describing is the brush control, which turns the brushbar on when set to 'Carpets', and off when set to 'Hard floors'. The machine may not pick up hair from carpets if you have it set to 'Hard Floors'.

The brush control system is also designed to make a ratcheting sound to warn you if something is jamming the brushbar. The easiest way to check for and remove any obstructions is to follow the steps shown in our online support guide:

Once you've removed any threads, hair and other obstructions from around the brushbar and cleaner head, you should find this resolves the issue. However, if you've tried this and are still concerned, please get in touch with us directly so we can help. You can call us free on 0800 298 0298 (UK), or 1866MYDYSON (US).

Kind regards,

Dyson Online Customer Support

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1 Answer

Burning smell loud grinding noise when tilted

Hi there SmartAlec from here. The rattle is the clutch engaging. It can happen for a couple of reasons. The best case for you is if there is something caught in the brush roller that you can simply remove. The next best is that the end caps of the brush are full of junk that you will be able to remove. Its not easy getting the brush out to clean there but it can be done.
If the brush spins in your hand easily when the brush is removed then it is the clutch itself. THe main roller often melts which is caused when the tension on the belt gets to high thus creating too much heat. THis can be resolved only with a new clutch.
Hope this helps, if you have more questions dont hesitate to reply or if you need parts just visit
Happy Vacuuming :)

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1 Answer

Older Dyson 07 Animal, loud ratcheting noise on carpet setting

That is an indication that the belts are worn, stretched or broken. You simply need to replace the belt. Here is a link to the belt(s) you need and a manual you can view:

Dyson DC07 Belts and Manual

Dec 04, 2009 | Dyson DC07 Animal Bagless Upright Cyclonic...

1 Answer

Very loud click/catching noise - Dyson DC07Allergy

Take the sole plate off the brush bar (with a coin or a screw driver)compartment and check for blockages near the brush bar and make sure the brush bar spins round freely.
Its sounds like the clutch is slipping (it does this to protect it self from burning out when something is stopping the brush bar from turning)
A quick test is when in upright position turn the brush bar knob to off
(usally in drive postion) then try the user position again - the brush bar should not be turning and they should be no noise

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1 Answer

When I tilt back handel and turn dial to carpet It makes a loud grinding noise

On a Dyson this engages the brush bar. Two possible faults: Debris (hair etc) caught in brush bar - cut out with knife. Or - damaged drive belt - pieces of belt striking casing. Last, but unlikely cause, debris in bearings of brush bar - replace brush bar.

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