My vax vacuum has started making a high-pitched whining/whisting noise

The whistling noise starts half a second after I turn on the vacuum. It seems to be coming from the motor, and you can hear the noise whether the brush-bar is spinning or not. It started when I had owned the vacuum for about two months. The whistling varies in pitch slightly as I push the vacuum around.

Anonymous Mar 12, 2013

Thanks for that. I didn't want to disassemble the vacuum though as that would affect the guarantee. However, I have solved the problem myself, although I still don't understand how. I found when I was using the vacuum cleaner that I could temporarily stop the high-pitched whining by pressing with my foot on the plastic bracket on the side of the vacuum that holds the bottom of the separate extension hose. It didn't make sense as this is not connected to anything else to do with the actual suction of the vacuum. However, after doing this several times during operation, I found that the whining stopped altogether. It has been several months now and it hasn't come back.

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Toly Antonov

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Posted on Apr 18, 2019

Toly Antonov

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Ball bearing going bad, most likely it got clogged and melted housing now belt is loose that’s why you hear that sound

Curt Mueller

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Posted on Apr 18, 2019

Curt Mueller

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If the high pitch noise is coming from the motor, you have a clog

Anonymous

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Posted on Feb 07, 2012

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Ususally this is caused by a forein object has gotten hung in the suction impeller attached to the motor. the noise flucuates due to the housing flexes with the movement of the handle and rod. the housings are usually made of plastic and something very small can easily get stuck in it and stay for a very long time. The vacuum needs disassembled and the forien object removed from the fan housing...
Hope this helps
Sincerely
Roger

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