20 Most Recent Hoover U6437-900 / U6439-900 Windtunnel Bagged Upright Vacuum Questions & Answers


You could try contacting Hoover for parts availability. If it's and older WindTunnel and Hoover no longer has the part, try eBay.

Hoover U6437-900... | Answered on May 14, 2017


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

Hoover U6437-900... | Answered on Feb 11, 2017


If a vacuum has not suction then there has to be something plugged up in the port. You will probably have to remove the bottom. Either with a bag or bagless, find the suction port and usually it's plugged with all kinds of stuff. Sometimes if you have access to compressed air you could blow it out from where the bag hooks up or if bagless where it empties into the container. It's not that unusual for it to plug up. My parents have old old old carpet from I think the 70's, (The shag type that you can use a rake with) and there vacuum is always getting plugged up. Good luck.

Hoover U6437-900... | Answered on Nov 15, 2016


I found the following solution on this website. I have searched for hours and finally found this solution, it works! I HAD the same problem after cleaning the filter mentioned below, it is now working like it was new.

***by maverick_bea***
yes this machine has a thermal protector in it to shut off the machine if it gets to hot, this is normal. if there is no clogs in the hoses or in the machine then you will need to wash the filter at the top of the machine. you will have to remove the dirt cup and at the top you should see a half moon orange, well inside of this piece is the washable filter, clean and let it dry completly before putting back into machine. if this gets dirty and has not been cleaned, you can lose alot of suction. in some cases if this filter is not cleaned it can cause the machine to overheat so bad that it can damage the motor.

Hoover U6437-900... | Answered on Oct 23, 2016


Important Notice Regarding Hoover WindTunnel Series REWIND Bagless Upright... I found some interesting reading here that could pertain to you. Thank you and leave feedback for I am new at this. James please have a great day!

Hoover U6437-900... | Answered on Jul 14, 2016


its the switch. order the switch from the company or your local vac shop. 2 to 4 screws on the handle. then go to were the hand tools are kept, there should be 4 screws. then splice the wires and put on the wire nuts and new switch and your in buiesness. ( check for a clog before repair )

Hoover U6437-900... | Answered on May 21, 2016


Replace the rocker switch inside the handle. Part #28161067, it's about $2.50.

Hoover U6437-900... | Answered on Jan 30, 2016


Hi,
This link will take you to a site with instructions and illustrations to help you change your belt.

http://www.info-vacuum-cleaner.com/hoover-vacuum-cleaners.php

Hope this helps

Hoover U6437-900... | Answered on Jan 14, 2016


I found this on another site and it worked for me. RonL

Looking at the brush, remove the two screws from the black plate holding the brush. There are two clips that holds this plate once you remove the screws. This should be easy to remove with a flat type screw driver. Now is the tricky part to remove the top cover of the vacuum so you can access the compartment to put the belt on. The whole top part of this vacuum comes off. If you look above the part where black plate was, there are two more clips on the top left and top right hand corner. These two hold one end of the top cover. It is not as simple as pushing the clip to one end to slide out. You have to find a gap between the edge of top cover and bottom structure(right next to each clip) and shove the flat screw driver in and push the top cover away from the bottom structure and push down the top cover. You will notice that there are invisible hinges between the two which locks in the top cover.

Do the same procedure for the bottom right and left edges(right next to each end of the brush) of the vacuum and separate the two(bottom structure and top cover) out using the flat type screw driver..

Hoover U6437-900... | Answered on Jan 14, 2016


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.

Chris Jones
GoVacuum.com

Hoover U6437-900... | Answered on Nov 07, 2015


You have to remove the motor cover, There I believe 5 screw, take off the light lens and remove the screw holding the light. It should then pull off. You say you have power to the Vac, but do you have power to the motor. There also is a thermo by the motor, sometimes they open up, then the motor won't run.

Hoover U6437-900... | Answered on Sep 05, 2015


If the pedal is good it may be the base itself that is flexing or broken. Inspect it carefully to determine where or why it is not holding properly.

Hoover U6437-900... | Answered on Apr 07, 2015


Hi!, It's Jim with Crucial Vacuum,

Often times when your vacuums bag light remains on even after installing a new bag there is an air flow problem within your vacuum, or clog. This would explain why there is debris shooting out of your vacuums top vent.

Remove your vacuums bag and check to see if there are any clogs where the bag would attach normally. Clear out any noticeable debris.

While you're looking for clogs, check your vacuums hose, brush roll and filters. Stretch your vacuums hose out completely to unearth any debris. Manually spin your brush roll to help release any clogs, and wash your filters, but be sure to allow them to fully dry before re-installing them.

This should undo any clogs in your vacuum and cause your bag light to turn off.

You can purchase replacement parts for your Hoover vacuum direct from Crucial Vacuum with free shipping and an exclusive 10% coupon for Fixya.com readers, use code: FIXYA10

http://www.crucialvacuum.com/catalogsearch/result/?q=Hoover&order=relevance&dir=desc&limit=all

I hope this was helpful. If you would like further assistance, please feel free to give us a call at 877.750.9239. We have helpful and friendly customer care representatives on the line ready to assist you.

Jim Thompson
Crucial Vacuum Customer Care
http://www.CrucialVacuum.com

Hoover U6437-900... | Answered on Jan 14, 2015


try this link

Hoover U6437-900... | Answered on Dec 17, 2014


Hi there! The belt is replaceable but it must be changed at a local service center. Follow the link to locate the nearest service center to you > Service Center Locator. If you wish to replace the entire nozzle you may do so by following the link Search Results. Thanks!

Hoover U6437-900... | Answered on Nov 13, 2014


Hi! If you have replaced the belt with a new one and your brush-roll is still not spinning, your brush-roll may need to be replaced. Remove the brushroll and clear it of hair and debris. Spin the end caps with your hand. They should spin easily with no tension. Inspect the area on the brushroll where the belt rests on for damages. To order a replacement brushroll click on this link. Search Results It could also be that the incorrect belt is being used with the vacuum. Make sure you are using genuine Hoover parts when replacing the belt. Click on these links to order a replacement belt. Search Results & Search Results

Hope this was helpful!

Hoover U6437-900... | Answered on Nov 12, 2014


Hi! If you have replaced the belt with a new one and your brush-roll is still not spinning, your brush-roll may need to be replaced. Remove the brushroll and clear it of hair and debris. Spin the end caps with your hand. They should spin easily with no tension. Inspect the area on the brushroll where the belt rests on for damages. To order a replacement brushroll click on this link. Search Results It could also be that the incorrect belt is being used with the vacuum. Make sure you are using genuine Hoover parts when replacing the belt. Click on this link to order a replacement belt. Search Results & Search Results

Hope this was helpful!

Hoover U6437-900... | Answered on Nov 12, 2014

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