Having problems with your Dyson DC25 All Floors Bagless Upright Vacuum ?

My DC25 Animal is making a howling, whistling noise. Primarily when turning off (winding down to shut off)


Answers :

If it started after you cleaned the filters, it is because when you smack the filter that is in the ball like they tell you to, it pushes the gasket in so air can sneak past it. take it back out and pull the rubber gasket away from the filter so there is about 1/16-1/8" away all the way around, then put it back in. it will seal it and stop.
The noise is caused by the air blowing out of the motor leaking out between the rubber gasket of the filter and the motor housing. Smearing a very thin film of silicone grease on the rubber gasket should stop the noise completely.

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