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Author Topic: dc07 high pitch whistling  (Read 976 times)

Offline dsam

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dc07 high pitch whistling
« on: January 29, 2017, 09:55:17 PM »
Hi, does any one actually know how to stop the high pitch whistling,shrill, howl watever you want to call it, also on other models too dc14, dc27 and more?

Offline MVacs

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Re: dc07 high pitch whistling
« Reply #1 on: January 29, 2017, 10:15:18 PM »
Is this after a motor change?

Offline dsam

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Re: dc07 high pitch whistling
« Reply #2 on: January 29, 2017, 10:23:30 PM »
Possibly, but just aquired the machine and have had this on other dc models but the dc07 is terrible for it its a very high pitched whistleing that comes and goes.

Offline RustySkull

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Re: dc07 high pitch whistling
« Reply #3 on: January 29, 2017, 10:39:59 PM »
Probably an air leak. o.O
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Offline dsam

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Re: dc07 high pitch whistling
« Reply #4 on: January 29, 2017, 11:16:26 PM »
well yeah, kinda guessed that, I buy sell an refurb dysons and its such a common fault just wondered if any body has actually cured the problem??

Offline Elgin

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Re: dc07 high pitch whistling
« Reply #5 on: January 30, 2017, 01:19:39 AM »
well yeah, kinda guessed that, I buy sell an refurb dysons and its such a common fault just wondered if any body has actually cured the problem??

Ours used to do it before I removed every single, spring, washer and screw, plug every component, completely cleaned the cylones then re built it, fine now, sometimes the filter doesnt alway click in as well

Offline RustySkull

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Re: dc07 high pitch whistling
« Reply #6 on: January 31, 2017, 03:26:40 PM »
well yeah, kinda guessed that, I buy sell an refurb dysons and its such a common fault just wondered if any body has actually cured the problem??

Haha made me laugh, usually checking every seal fixes it.
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Offline dsam

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Re: dc07 high pitch whistling
« Reply #7 on: January 31, 2017, 03:56:16 PM »
Seems to be coming from the motor, if i take the bin off and hold my hand over the suction part of spine and vary the suction it does it. only seal there is around the motor, all ready done the seal trick around the motor rubber but it dont work.  :'(

Offline Elgin

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Re: dc07 high pitch whistling
« Reply #8 on: January 31, 2017, 08:06:10 PM »
Seems to be coming from the motor, if i take the bin off and hold my hand over the suction part of spine and vary the suction it does it. only seal there is around the motor, all ready done the seal trick around the motor rubber but it dont work.  :'(

Just looked on my 07 Animal, Remove the filter and on the side of the motor cover should be a black seal, Is it there?

Offline dsam

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Re: dc07 high pitch whistling
« Reply #9 on: January 31, 2017, 10:22:08 PM »
yes

Offline Elgin

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Re: dc07 high pitch whistling
« Reply #10 on: January 31, 2017, 11:10:40 PM »
yes
Ok, If you take out the filter, and unhook the belt/clutch if you can be bothered (Dont nessesarily need to for this test) without the filter does the whistle still hapen if so, then you need a new motor, possibly brushroll or clutch aswell but most likely motor. What colour(s) is the machine

Offline dsam

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Re: dc07 high pitch whistling
« Reply #11 on: February 01, 2017, 11:34:28 AM »
Thanks, will try this later. its a yellow clutchless, dont think the machine warrants cost of a new motor as only worth 45 to sell on as is, but thanks for reply.

Offline Elgin

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Re: dc07 high pitch whistling
« Reply #12 on: February 01, 2017, 05:57:03 PM »
Thanks, will try this later. its a yellow clutchless, dont think the machine warrants cost of a new motor as only worth 45 to sell on as is, but thanks for reply.
Most likely the motor then.

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