Having problems with your Bissell 3920 Bagless Upright Vacuum ?

My Bissell 3920 motor is making a high pitched noise. I have cleared out pet hair from top to bottom. Cleaned the lower filter and replaced the upper filter. I Checked for blockage in the hoses and found none. The filter indicator goes green when I turn it on, but the straining motor noise persists.

Answers :


The reason for the high sound is
motor bearings has gone bad.
Some times defective motor fan will also cause this loud noise.
So you have replace the motor bearing or fan accordingly.

post a comment for further assistance.
Thank you for using fixya have a nice day:-)

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