Also for brush belts installed properly i posted a couple links below that may help you trouble shoot the noise and then replace repair the faulty part.
Dyson vacuum making loud noise on carpet.
I did find other hoover vids that we.
The clutch is engaged and possibly damaged.
Replacement hepa post filter for your dyson vacuum cleaner.
Blockage according to the dyson dco1 vacuum cleaner operating manual a change of pitch in the normal sound of the cleaner can mean a blockage.
I have a dyson dc 17 vacuum.
When it is in the upright position it does not make this noise.
If you catch the problem early enough you might not need any parts.
Loud noise when machine is switched off.
Emess117 eileen there could be a few reasons for your vacuum making more noise then usual recheck the canister filters for proper installation and the brush head assy.
It s also possible the filters are clogged.
Lifts carpet pile without sticking and captures hairs with velour strips.
I partially sucked up a loose area rug the other day and now when i use the vacuum on the carpet the vacuum makes a very loud screeching sound.
If your dyson vacuum cleaner is making a loud vibrating or revving noise.
A dyson vacuum cleaner making a loud noise a high pitched squealing noise and the vacuum brush not spinning are all symptoms of the same 1 2 problems.
I have did a few internet searches and have not found anything.
I have replaced the clutch and put a new roller on the vacuum and still have the same issue.
I know there is a series of steps that can be taken to reset the unit.
Trouble shoot a hoover wind tunnel vacuum that s making a rattling noise from roller replaced roller problem solved.
If still under warranty contact dyson last link below for parts repair.
I can use the hose to suc read more.
While the cause of a high pitch squealing noise has a very likely contender there are other reasons why your dyson vacuum cleaner might suddenly sound different.
If the noise is normal again then it is your brushbar or possibly clutch if applicable.