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

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How do I fix the carpet/floor switch on a hoover windtunnel bagged self propelled

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The carpet / floor switch is a mechanical assembly. the bottom cover needs to be removed to expose the screws for the hood cover to be removed. then the switch can be accessed for repair

Posted on Oct 11, 2009

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Posted on Jan 02, 2017

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Hoover Windtunnel repair manual


click this link below to see repair video for self propelled mechanism
http://www.youtube.com/watch?v=K722IsUxjYM&feature=related

Sep 03, 2012 | Hoover Vacuums

1 Answer

I have the Hoover, self propelled vacuum. I have only used the self propel function a few times, but our babysitter used the feature and now the vacuum only works on the highest carpet setting. The middle...


Move the carpet height control switch to a higher position if the vacuum is difficult to push. If the setting is too low for the carpet being cleaned, the brushes press against the floor preventing the vacuum from moving easily.Set to a medium-high height setting then check.Slide the "Self-Propel" button to the "ON" position if the cleaner does not self-propel. -----------
The self-propel feature operates only when the cleaner switch and the self propel button are both ON. ---------- Try this settings and check.This should help.Thanks.Helpmech.

Jun 24, 2011 | Hoover Self-Propelled WindTunnel Bagless...

1 Answer

Hoover self-propelled windtunnel U6430-900 flat belt gets hot & becomes hard to push. It has a filter bag. Purchased 8/2/01. Took one plate off bottom. Used a compressor to blow out dirt & dust. ...


Belts get hot when fibers from carpet get wound arounf the belts mounting shaft. Best to take a razor and cut off any fibers so the belt doesn't get hot again

Aug 10, 2010 | Hoover Self-Propelled WindTunnel Bagless...

3 Answers

Hoover wind tunnel won't self propel


There are really two reasons why the self-propelled wouldn't work. It could either be the belts on the vacuum cleaner are stretched or broken. The belts on this model control both the self-propelled transmission, as well as the brush roller. Here's a video that shows you how to inspect the roller brush and belts to make sure that they are installed properly and working. Try this repair first, as this is the easier one to fix.


The other problem if the belts are installed properly that would cause the self-propelled wouldn't work would be the self-propelled actuator arm. There is a cable that starts at the handle of the vacuum, and runs all the way down to the floor head of the vacuum that controls the transmission. As you pull backwards on the handle of the vacuum, the cable pulls this actuator arm backwards, which then turns the wheels backwards, and when you push forward it turns the wheels forward.

The problem with the way it's designed however, is that if you pick up the vacuum cleaner by the handle of the machine rather then using the carrying handle on the back of the vacuum, it causes too much tension on the actuator arm, and will cause the cable to rip right out of the arm.

This is a VERY common problem on this model. To check and see if this part is broken on your vacuum, step on the handle release pedal so that the handle is in the vacuuming position, push the pedal a second time so the machine lays flat on the floor.

Now if you look right behind the height adjustment switch, and the rug / floor switch where the floor part meets the upright part, you should see a cable that connects into the actuator arm. Pull up and down on the handle and look for movement. Is the cable loose with only a nut attached to it, or is it resting in the actuator arm?

Here's a very helpful link that shows you exactly how to replace the actuator arm:
How to Replace the Actuator Arm on Hoover Self-Propelled Windtunnel

If this didn't help you, and the problem is still happening, please just use the add a comment form here on Fixya and let me know that you're still having problems. I'd be honored to go through and do some more advanced diagnosing with you.


I hope this we helpful to you. If you did find this helpful, please be so kind and leave feedback for me. This is why repair professionals like myself continue to come back and give free repair advice, to get the recognition of a job well done.

Thanks so much,

Chris Jones
GoVacuum.com

Apr 17, 2010 | Hoover U6437-900 / U6439-900 Windtunnel...

1 Answer

Hoover windtunnel self-propelled - will not turn on


You probably need the switch replaced. It's fairly simple to do youself, and it is a known problem with these vacuums.
You can order the switch from hoover for about $10

Oct 08, 2009 | Hoover U6437-900 / U6439-900 Windtunnel...

1 Answer

Self-Propelled WindTunnel by Hoover U6445906


· Sometimes grabs the carpet for no reason.
· Comes back too fast when I push it back.

I would advise you to ALWAYS to FIRST UNPLUG YOUR VACUUM before beginning any service procedure.
Self-Propelled WindTunnel by Hoover U6445906 Without knowing the brand name or model number you may have the height adjustment to low and the vacuum will say “bite down” on the carpet of which will make the belt burn and might leave marks on the carpet – and if you have a self-propelled vacuum it does come back fast if you because you have a transmission just like a car and you have to control the speed of the vacuum or because it may have a weak belt the vacuum will pull back easier – I really would like to know the brand name and model number so that I could accurately give a better answer . Recommended belt change for flat belt(s) are 4 to 6 months for better cleaning and one a year for a geared belt – both can stretch and lose their cleaning function

Apr 05, 2008 | Hoover U6437-900 / U6439-900 Windtunnel...

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