Dyson Big Ball Multi Floor - Whistling | Dyson Community
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Is/has anyone experienced the high pitched 'whistling' due to the air leakage past the seals between the handle and the extension tube on the Big Ball Multi Floor? It seems to be due to wear of the joints during normal use over a period of time. Are replacement and more robust seals available?

@Jbeecham66 Thanks for the post, usually that kind of noise is due to a partially blocked airway. I’m going to recommend contacting your local support or using the troubleshooting options on the support page - there, you can enter your Dyson’s serial number and get specific step-by-step directions to troubleshoot the issue with a step-by-step visual guide.


Tried the trouble shooting but no success. Video attached showing the leak through the seal between the handle and extension tube


Video attached of leak between handle and extension tube


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