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hi. it sounds like the bearings in the motor are worn out. the only solution is to change the motor, or the entire hoover. motors are available from ebay for about £35 and it will then need to be fitted. unfortunately these bearings do wear out eventually. once they start to make screeching noises like this, there is not much life left in them, and they will get worse rapidly. if you decide to change the motor yourself, please feel free to ask for more details on how to do it. hope this helps
High pitched sound is often caused by air leaks in air ducts. This will also cause hoover loosing sucking power and slightly overheating.
If the hoover is overheating a lot, then noise can also come from the motor. In that case the part must be rplaced.
Try replacing the cone filter, the secondary filter, and the insulation at the top of the machine. If that does not fix the problem, then the hoover must be taken apart to clean or repair the air duct.
Hello, Yes, it could be a motor bearing. Another possibility is the fan could be broken. Remove the bottom plate from vacuum. Spin the belt motor pulley slowly and view the fan. You may have a plastic fan
that has broken or something is keeping the fan from spinning. Here are links with illustrations to an online guide. (the links will say "belts" but it will show how to get to the fan). Click the one that best matches your vacuum. Hope this helps.
It sounds like you may have a bearing problem. The motor bearing eventually gets damaged by the water vapor that is drawn in by the fan. This will cause a high pitch squeel from the motor. It is possible to replace the bearing, but it should be addressed by a professional techician.