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On/Off Switch stopped working

The on/off switch on our Hoover Self-Propelled Windtunnel, model U6439-900, stopped working. I took the handle off and tried to manually turn it on and off, but this attempt failed as well. I took it apart to see if it was due to internal wiring, but didn't get anything. Any suggestions or comments?

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  • Kirk Wolf Apr 16, 2009

    I talked to Buck and have ordered the part. Thanks much for the help!

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You have to purchase a new switch. Any local vac shop should be able to get it or call 1-800-948-1358 between 9am and 6pm est and ask for Josh or Buck.

Posted on Apr 15, 2009

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My hoover wind tunnel just quit while vacuuming. It is dead??? Two years old used about every other week? Any suggestions?


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Feb 28, 2015 | Hoover Self-Propelled WindTunnel Bagless...

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How do i fix my hoover windtunnel if self propel is stuck on ?


There is a cable that goes from the handle to the base, the cable or the plastic piece it attaches to at the base of the vacuum may me broken.

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My hoover windtunnel upright self-propelled..seems the rollers are turned off. where is switch to turn them on?


The switch to turn the brush roll on and off is on the top cover of the nozzle housing

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Just replaced the belts on my Hoover Windtunnel II self-propelled vacuum. The brushes are now turning ok, but the self propelled feature is not working. Squeals when when you lock it in the upright...


Check the plastic part, which the the self propelled cable is attached to. (release the handle, tilt it back. You should be able to see the cable attached by a screw to a black plastic arm.) It is either broken or the cable is lose.

Nov 14, 2010 | Hoover U6630-900 WindTunnel Bagless...

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The vacuum is not rolling easily. It "drags" on the rug.


Hi There,

When a Hoover Windtunnel becomes hard to push, this usually indicates that self-propelled has stopped working.

When this stops working, it can be caused by several things. The first, most common problem is that the belts have either broken, or stretched to a point where they no longer engage the self-propelled mechanism. In order to verify this, simply make sure that the machine is set to the Carpet setting, turn the machine on, and turn it over on it's side with the handle release pedal reclined (make sure it's not in the upright position). Is the brush at the bottom of the vacuum spinning? If no, this definitely indicates that your belts have gone bad and need to be replaced. There are two belts on your machine, one controls the brush, the other controls the self-propelled mechanism. We've shot a helpful video that walks you through step by step on how to replace the belts.

This is by far the most common problem that we see on your particular model:


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

May 06, 2010 | Hoover Self-Propelled WindTunnel Bagless...

1 Answer

Self propel unit broken


This is a farily common repair on this model. What ends up happening is that when someone picks up the vacuum cleaner2_bing.gif by the handle of the machine, which on this model also is the controller for the self-propelled transmission, it places too much strain on the actuator arm of the vacuum2_bing.gif cleaner.

You can do the best to try and not pick up the machine by the handle, but instead using the carrying handle on the back of the vacuum cleaner, this is distribute the weight much better, and even make the machine seem less heavy, and this will also prevent the actuator arm from breaking again in the future.

Now for fixing your vacuum, Please click the link below for an excellent tutorial on how to replace this part;

How To Replace The Actuator Arm On a Self-Propelled Hoover Windtunnel Upright Vacuum

Feb 23, 2010 | Hoover Self-Propelled WindTunnel Bagless...

1 Answer

Self-propel switch arm broke off where control cable was attached. Looking for instructions as to how to gain access to that switch arm to replace it.


Greetings from GoVacuum,

This is a farily common repair on this model. What ends up happening is that when someone picks up the vacuum cleaner by the handle of the machine, which on this model also is the controller for the self-propelled transmission, it places too much strain on the actuator arm of the vacuum cleaner.

You can do the best to try and not pick up the machine by the handle, but instead using the carrying handle on the back of the vacuum cleaner, this is distribute the weight much better, and even make the machine seem less heavy, and this will also prevent the actuator arm from breaking again in the future.

Now for fixing your vacuum, Please click the link below for an excellent tutorial on how to replace this part;

How To Replace The Actuator Arm On a Self-Propelled Hoover Windtunnel Upright Vacuum


We have also put together a very helpful video for your vacuum cleaner on how to replace the belts. The belts on this model are also a frequent issue we see with these self-propelled Winddtunnels. In fact, for best results you should change the belts once a year, even if they are not broken, because they do heat up and stretch to a point where they don't work as well as a new belt would. The video also explains how you can maintain the roller brush will help you get the longest life possible out of your belts.

Video Repair on How To Replace The Belts Hoover Windtunnel Self-Propelled;



I hope that this information was helpful to you in repairing your Hoover. If you did find this helpful, may you please rate the repair by clicking the the Thumbs Up Icons in the top right hand corner of this repair to help me start out here on Fixya? I really do appreciate it, thank you so much!

Feel free to request a repair clarification if you have any questions or concerns you'd like to address.

Chris J.
GoVacuum

Feb 22, 2010 | Hoover Self-Propelled WindTunnel Bagless...

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...

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