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

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Hoover Wind Tunnel U6458-900 Self Propel doesn't work - via other expert advice here for other models of Hoover - I'm thinking it is the actuator that needs to be replaced as I can see the cable does not connect to anything on the bottom. My problem is - I can't get the cover off. Been trying for a couple of hours. I removed every screw I can seem to find but something is hold it down. I also am wondering if/when I do eventually get the cover off, would I need to replace the cable when I replace the actuator? Anybody? Thank you.

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  • S. M.
    S. M. Sep 27, 2010

    Finally got the cover off - replaced the actuator, both belts and new roller (All Hoover brand). Everything seemed to have gone well until I turned the vacuum on. Roller would not spin; self propel switch wouldn't move and the main belt burned off/melted in a matter of seconds. What happened? Help!

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On some models there are hook/springs that hold the cover of the base snug.

Posted on Sep 28, 2010

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1 Answer

Why won't hoover wind tunnel self-propel?


Hi there! The self-propelled feature is controlled by a belt. Check the belts on your Hoover Windtunnel by following these quick steps.

1. Recline the handle. Lay the cleaner fat and flip it over to expose nozzle base.
2. Remove the screws attaching the nozzle.
3. Check that the belts are not broken, stretched or damaged.

Replace the belts if they are damaged. Hope this helps!

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HI There,

This is definitely a problem with your belts. This Hoover Windtunnel Self-Propelled models has a poorly designed belt system that frequently goes bad. Most customers will have to replace the belt once every 8-12 months, some even more frequently than that.

There are 2 belts on this machine, and it's recommended that you replace both belts at the same time. If you just replace one of the belts, this will cause the other belt to go bad quicker.

If you don't already have the replacement belts, here are links to these belts through us:
Hoover WindTunnel Self Propelled Belt Set (38528-034 & 38528-035)

Here's a helpful video that we've recorded that shows you step by step on how to replace these belts, as well as how to do the basic maintenance on the roller brush to prolong the life of the belts as long as possible.

How To Replace the belts on a Hoover Windtunnel Self-Propelled:

Please be sure to rate this repair helpful, or leave feedback if this video helped you fix the problem. If you're still having problems, please just use the comment field on the repair page and leave a little more specific information on what happened when you inspected the belts, and I'll be more then happy to do some further more advanced diagnosing for you.

By rating the repairs helpful, and leaving feedback, this ensures that Fixya experts continue to leave free repair solutions rather then just leaving premium answers, or repairs that customers pay to have answered. This is also really appreciated.

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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.


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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:
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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,

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