Question about Bissell 3750 Lift Off Bagless Upright Vacuum

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High pitched noise

My Bissell 3750 Lift-Off Bagless will make a high pitch noise after running for about a minute. It still works and eventually the noise lessens a little. What is wrong with it? How do I fix?

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High pitched noise usally happens when the suction pancake fan fins become loose on the shaft.Usallythere is two or more sandwiched on the motorshaft .. Matter of taking the tin split casing apart and check and tighten :^/

Posted on Jan 09, 2010

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Posted on Jan 02, 2017

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