Question about Hoover U6437-900 / U6439-900 Windtunnel Bagged Upright Vacuum

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Hoover u6437

Roll stps on all carpet levels I have tried all level adjustment to no avail. So I feel the level adjustment is not working.

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Re: hoover u6437

Belt is stretched out try belt change all the level adjustment does is pushes out little wheels on bottom up and down roller has nothing to do with level adj roller should spin regardless

Posted on Jan 06, 2008

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Sounds like the vacuum is adjusted too low on the carpet. Adjust it to a higher level. If this is not the problem, then the belt is slipping. Buy a new belt.

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I've had the Hoover Windtunnel for a couple years now. Its starting to smell when you vacuum. Why and how do I fix it???

I was experiencing the same problem right after changing the belt for the first time, as my Hoover is just a few months old. I am assuming what you are smelling is burnt rubber, like your belt, right? Well, if you have changed your belt recently, make sure you are using the right one. If you're not using Hoover's authentic belts and you're buying it from Wal-Mart, make sure it's the correct one, otherwise it won't work right and/or it will give off a burnt rubber smell. One other thing you could try doing first, is raising the carpet height adjustment up a notch or two. If you have it too low and your beater-bar/brush roll has to work too hard, it will start to smell also.Good luck!

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There should be a belt tensioner for the V belt, maybe it is not contacting the belt when you tilt the handle back. If this is less then 1 year old, then it is under warranty, take it in to a warranty servicer for warranty repair.

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1 Answer

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The suction is so great that it sucks up your carpet, then nothing works. I get my children to stand on the corners/edges of the rug so that it stays perfectly flat on the floor while I vacuum. Or, you can turn off the brush roller (set it to "hard floor" setting). Or, tip the vacuum cleaner's front up slightly while vacuuming, to reduce suction.

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1 Answer

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If there is no suction, check the filters, if they are clean then there has to be a clog either in the hose or in the inlet down by the brush roll. See if there is suction at the hose end. If there is, then it is clogged down lower. Are you sure that the brush roll is turning when it is on the carpet? For a manual, go to, put on your model number, if one is available, you can down load it.

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have you tried raising the 'carpet level' adjustment?

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