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Common generic problem with Dyson upright vacuum brush bar

I see lots of problems with Dyson vacuum cleaner brush bars not revolving, this is normally because the belt has broken, this is an easy and relatively cheap fix. Remove the sole plate normally held by a couple of quarter turn plastic connectors, once the sole plate has been removed the brush bar can be lifted out of it's slotted position, remove the remnants of the old belt. With the new belt manouvre it over the motor spindle first then position brush bar through belt and slot the brush back into its slots and reattach sole plate. This procedure should take no longer than ten minutes even for a total novice.

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Dyson DC25 brush won't spin when touching the floor. If I lift it off the floor it spins, once it touches the floor it stops. Any idea what the problem is?

I can think of three things that could be wrong.

The easiest one is that the brush has hair and fluff wrapped around its bearing. This happened to me and was causing a burning rubber smell. Turn it over and remove the base plate. Lift the belt by putting a piece of cord under it and slide the brush out. Remove one end of the brush and slide the spindle out. Clean all the hair out and reassemble.

The internal drive belt is worn, or the nylon bush that it runs on.

The clutch is worn out.

The last two are not as easy to fix as the main drive belt is enclosed in the centre of the clutch. There are videos though that show you the process. Have a read and a watch, but try my first tip first.

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  • Mar 18, 2016 | Dyson Vacuums

    1 Answer

    Why Dyson dc39 brush bar won't spin

    Remove brush bar cover...is the belt broken, cut or stretched to the point of being ineffective? Is the brush bar full of hair or string?
    Pull the belt forward...does the pulley spin? Turn the cleaner on
    and see if the pulley spins...if it does I think a new belt will be needed.
    Be sure to buy the right one.



    Aug 18, 2014 | Dyson DC39 Animal canister vacuum cleaner

    1 Answer

    Brush will not rotate for carpet .It is a DC 18 all floors. Dyson Slim Serial # 322 US A 20491

    Most likely a broken belt.

    Not familiar with the DC18 but some models have two belts - one connects the motor to the clutch (if when working normally, the brush stopped rotating when the cleaner was in upright postion then it has a clutch), the other connects the clutch to the brush bar.
    One is easy to check, but the other is under a plastic cover and needs a Torx driver to remove. Both belts are not easy to replace.

    Sep 02, 2009 | Vacuums

    1 Answer

    Dyson vacuum cleaner-brush bar is frozen

    Hi If your Dyson has a brush protection design - i.e. roller bar on the top of the hood on the left hand side then the DYson can't be repaired by you- serviceman or professional care can replace it.
    However if the Dyson doesn't have the roller bar on top of the hood, flip the machine over so that the beater brush is facing upwards, locate three/four screw heads that can be undone with a coin and remove the sole plate assembly. This should give you a clean view of the brush bar, drive belt and dirt channel. Ensure everything is clean espcially if the brush bar has lots of hair or threads tightly corded around. Then locate the drive belt and check to see if it has snapped. Grasp the beater bar gently upwards and the belt and brush can then be removed. Fit a new belt on carefully and check the tension as it will be tight.

    Apr 05, 2009 | Dyson DC14 All floors Bagless Upright...

    1 Answer

    revolving brush stopped after I got a sock snagged in it.

    If the Dyson model has a brush bar control roller at the left hand side of the top hood then it won't be able to be repaired unless its by a Dyson call out or someone who repairs Dyson models with brush control protection.
    If the model doesn't have a brush control dial then you will have to change the drive belt:
    Easy to do if you flip the machine over with the beater bar looking upwards. Locate the three/two screw heads and undo with a coin. When the roller section is revealed by taking off the floor head you should replace the belt with a new one and be careful putting the beater bar in the right way on both ends. The belt will be tight brand new so expect some tension in it.
    If this works for you please rate Fixya! Thanks.

    Mar 28, 2009 | Dyson DC07 Animal Bagless Upright Cyclonic...

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