You might have something stuck in the motor fan like a paper clip or a bobby pin.might have picked up a coin or a nail.regardless it sounds like its in the motor fan.you need to disconnect the base from the upper half of the vacuum to get to the motor.on the top of the base on each side of the motor you will see a small plate with 2 screws on them take them out and you should be able to seperate the base from the top half of the vacuum.you will see the motor housing and on one side you will see the fan.look and see if something is stuck in the fan.if so try to get it out and put everything back together start from the last thing i explaind all the way up to the first thig i explained
I have the same problem with the same age Kenmore. I checked for clogs but there were none. The loud noise sounded like a vibration. The noise was so loud you almost couldn't be in the house when using the vacuum. What I found was, the outer rubber housing of the motor/fan was held together by electrical tape and split at the electrical tape (wow, that's a surprise!!). I taped the housing together with fresh tape but the motor housing continued to split when the filters got slightly clogged and higher pressure was generated inside the motor. I suspect that the split was causing some amount of air from the motor to be exhausted into the inside of the vacuum causing internal parts to vibrate and resonate.
I haven't been able to fix this problem. Unfortunately, the excessive vibration caused a control board to fail which controls the agitator. At this point the vacuum is useless. Poor design by Kenmore so I don't know if it can be fixed.
If you know of a solution, let me know
What does this noise sound like? If it's a squealing noise, chances are that it is a belt going bad. You can purchase a new belt at your local Sears, or probably even your local grocery/department store. The vacuum belt is easy to replace and inexpensive. Instructions for belt replacement are in the owner's manual, or sometime on the belt's package. Hope this helps... Please take a few seconds to rate how helpful this suggestion was. Thanks and good luck!
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Smae problem - so loud it hurts my ears to use. Suction ok but not great.
Terribly loud noise when turned on, but the vacuum still works pretty good. It is a beltless system... so that could not be a solution.
my vacuum still runs, but makes a horrible noise. This would be the 4th time I have had to take it in to get fixed, and i would like to avoid not having my vacuum for 2 weeks.. HELP
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