Question about Dyson DC17 Animal Bagless Upright Cyclonic Vacuum

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Dyson DC14 Animal Vacuum - terrible loud noise

My dyson is in the shop for the 3rd time this week... I loved the thing when I first got it (Feb 2007), but now I'm beginning to hate it! It started making this horrible loud vibrating noise, which I thought had something to do with the barefloor/carpet setting knob. Called Dyson, and they helped me out the best they could (I was completely impressed with the service representative!) Initially, I was told the suction is soooo strong that it is setting it off. Then, there was possibly a problem with the brush bar. After some finagling, it seemed quiet, but then the same noise started later that some vacuum session. Anyway, my the problem wasn't corrected over the phone, so I took it in to a Dyson service center and the guy told me he already knew the problem. He replaced the clutch (common in this model, I guess?), which I guess engages when you suck up something like a sock, in order to stop the brish bar from spinning. (Funny, I never sucked anything out of the norm up with it!) Anyway, excited to vacuum, I start it up at home and the darn thing is still making the horrendous noise. It's back in the shop again. I don't think it's fixable, and I'm upset that I spent this amount of money on a lemon. Maybe they'll replace it? We have a DC17 with the same problem. The phone service said it was because of pet hair built up under the belt where it engages with the brush bar. We cleaned that out and ...no change. The vacuume does a good job, but its so noisy we can't stand to use it.

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  • Mommymaid Mar 01, 2009

    I have the same problem with the Animal. I replaced the belt for the brush once or twice and that worked for a bit. Now the suction is not up to par and the horrible noise is back. I can disengage the brush bar and the sound quits, but the suction is still not up to par. I don't think I will buy another, that is for sure! Any help would be most appreciated!

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I have purchased six Dyson DC14 vacuums on eBay at rediculously low prices as they were being sold "as is" because they made a "terrible noise" when the brush bar was engaged. Each of the vacuums I received were like new, literally, and did make the terrible noise that was described. For less than $25 each, I purchased replacement beater bars (brushrolls) from an eBay seller in England and ALL six of the vacuums work perfectly.

When I dismanteld each of the units, some beater bars only had hairline cracks and and others were falling apart. I first purchased beater bars from eBay that were very cheaply made and broke within one or two weeks. The beater bars I got from England have been going strong in a commercial business for over a year now. That's equivalent to 5 years use in a residence.

Defective beater bars are more frequent than most people realize. I'd lay odds that is your problem but you will never know until the beater bar is removed and closely inspected. Some fractures of the plastic can be hard to see.

Hope this helps.

Posted on Sep 23, 2009

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The idea of cleaning off the small metal drive gear inside the brush housing worked great for me! My vacuum is so quiet now. =)

Posted on Mar 22, 2010

  • Bill Henderson Sep 04, 2013

    Yep, me too. Had some hair caught up in the small metal drive gear...removed it and it is 100% again. Thanks!!

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Had the same problem with the DC17. The belt's teethe were OK, but the teeth on the metal gear that drives the belt had a build-up of some material in them. I uses a small flat screwdiver to scrape the build-up out of the metal teeth and it fixed it.

So, if the belt or teeth on the gear have any flat spots...NOISE!!

Posted on Dec 08, 2009

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I too purchased a DC14 on ebay for cheap (brand new as well). It was sold without the brush bar. This struck me as strange but I couldn't pass up the bargain. So, I purchased a brush bar from another ebay seller at the same time. I have used the vacuum a total of three times and the replacement brush bar is broken as well. It is my personal opinion that the belt is way too tight which pulls the brush bar out of alignment. Hence, causing the bar to spin in an eliptical pattern which in turn causes fractures and eventual failure. It is obviously a bad design. Hopefully I find this better-made brush bar from England.

Posted on Nov 08, 2009

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The only way to be sure is to go to a vacuum cleaner shop WITH THE BROKEN BELT and CHECK IT DIRECTLY for length with what you are buying ( at least for DC07 & DC14). As far as I can guess a DC01 or DC04 belt bought via internet should be OK.
I am 90% sure the belt over-tightness with mis-recommended belts is the problem
here.

Posted on Oct 27, 2011

  • Peter Cormack
    Peter Cormack Oct 28, 2011

    Finally the solution: The brush bar had melted a groove in one end, causing the
    interior push fit bearing to be displaced, causing rotation wobble/vibration.
    So replaced brush bar & fix was achieved. Cause: trapped frayed carpet fibres.

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Hello I had this same problem and as you did, thought i was stuck with the loudest vacuum on earth. But i met this woman one day that explained she spoke to someone that found the solution. She said on the DC7 and DC14 you Must never turn the brush on while the vacuum is already on and the handle is back. She said to return the handle upright, then turn on the brush and then turn the vacuum on and like magic Hello wonderful Dyson. I thank this should be included on the Box or in the instuctions in big bold letters. Well good luck

Posted on Jun 30, 2010

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SOURCE: Dyson DC14 Animal Vacuum - terrible loud noise

For FREE online instructions to replace the belts or the clutch, with photos, please go to http://www.sparesaver.com/technical_advice/Hints_Tips/DC14_Hints_and_Tips/DC14_Hints_Tips_index.htm

Posted on Aug 15, 2007

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SOURCE: Dyson DC14 Animal Vacuum - terrible loud noise

What I found was that it is the roller brush. If you are willing to get a little dirty and do it yourself, there is the roller brush that most likely needs to be cleaned. After a little tinkering of my own, the roller brush can be slipped out or just shift it out of place to clean it. There are two ends to the roller brush and the brush itself. Of you twist the two ends until the come apart you would probably find a lot of hair and other long strand items wrapped around the rod that goes through the brush. Once you clean that out it should work like new. If that does not work then it is probably the clutch which is what the belt around the roller brush is connected to. Hope this helps, it is a simple solution.

Posted on May 22, 2009

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Dyson terrible loud noise


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