Drum Brakes 'wuuuuuuuuu' noise when driven

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My Name: vicolodo

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Model: C3 Pluriel - with or without roof
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Hello , i own a citroen c3 pluriel 1.4 hdi 2004 pack techno

I have this problem:
from a fer days, when i drive, i hear a noise, like 'wuuuuuuuuu'
This noise starts when the speed of the car is over 20 km/h,
and does not depend on the engine speed, but only on the speed of the car.
I suppose there is a problem on the wheels bearings:
i lifted the car and tried to turn by hand each wheel:
when i turn the read right wheel , i hear some noise, so i think the
problem is there.
Now i would like to replace the bearing of this wheel.
Do you have any documentation on replacing bearings of rear wheels?
I tried to remove the drum, :
i removed the cap and unscrewed the wheel hub screw,
but i am not able to pull out the drum.
Do you know any way to pull out the drum from the rear wheels?
Do you have any advice?
Do you have any guide to replace rear drum brakes?

Thank you!
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My Name: Arfur Dent

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I tried to remove the drum, :
i removed the cap and unscrewed the wheel hub screw,
but i am not able to pull out the drum.
Do you know any way to pull out the drum from the rear wheels?
Disengage the handbrake,
Remove the cap, undo the big hub nut (after unbending the tab),
remove the washer from behind the nut,
Then the drum should just pull off,

but if it doesn't, you could tap the drum with a plastic mallet (like this), to release it or try some of these type of pullers on it.
another reason could be the brakes binding, even with the handbrake off, it may need to be slackened more.

I think you are very close to getting it off.

There is a kit of the bearing parts to replace available at eurocarparts.
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My Name: vicolodo

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Posts: 89
Joined: Thu Jun 21, 2012 5:43 pm
Model: C3 Pluriel - with or without roof
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Fuel Type: Diesel
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Hello,
thank you for the suggestions.
Still i am not able to pull out the drum,
i read somewhere that i have to push some lever (perhaps the handbrake lever?) into the brake,
using a screwdriver,
accessing the lever through a hole of the drum,
is it correct?

Thank you!!
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My Name: Arfur Dent

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Model: C3 2002-2005, Original shape model
Year: 2002 (52)
Engine Size: 1.4 (16v)
Fuel Type: Diesel
Mileage: 100000
Trim Level: Exclusive
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
Engine name: DV4 16-valve diesel (90 PS)
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i read somewhere that i have to push some lever (perhaps the handbrake lever?) into the brake,
using a screwdriver,
accessing the lever through a hole of the drum,
I think you are describing the automatic adjuster release in the brake drum.

This is probably being suggested if the brake shoes are binding onto the drum stopping it from being removed. You need to feel if its the shoes stopping the drum from coming off or its just tight on the bearing.

If you can move the drum slightly off the shaft and it moves back or moves and stops, then its the brake shoes getting in the way. If its just plain stuck and won't budge even a few mm, then its tight on the bearing/shaft - you need to tap harder or try pullers attached to the wheel nuts and acting against the stub axle.

The automatic adjuster is ratchet type, poking the screwdriver in sounds like its an attempt to release the ratchet lock to allow the adjuster ring to be wound back and allow the shoes to move further away from the drum, you could try this if you think the drum is not moving because of the shoes. The automatic adjuster release is near the salve cylinder. But you may find it easier to find the handbrake cable adjuster inside the car, near the handbrake, remove a bit of plastic trim to gain access. Slackening the handbrake adjuster can also help if the drum is binding on the shoes.
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My Name: vicolodo

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Posts: 89
Joined: Thu Jun 21, 2012 5:43 pm
Model: C3 Pluriel - with or without roof
Year: 2004 (04)
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Fuel Type: Diesel
Mileage: 250000
Gearbox: Manual 5 speed
DPF: No
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Arfur Dent wrote:
i read somewhere that i have to push some lever (perhaps the handbrake lever?) into the brake,
using a screwdriver,
accessing the lever through a hole of the drum,
I think you are describing the automatic adjuster release in the brake drum.

This is probably being suggested if the brake shoes are binding onto the drum stopping it from being removed. You need to feel if its the shoes stopping the drum from coming off or its just tight on the bearing.

If you can move the drum slightly off the shaft and it moves back or moves and stops, then its the brake shoes getting in the way. If its just plain stuck and won't budge even a few mm, then its tight on the bearing/shaft - you need to tap harder or try pullers attached to the wheel nuts and acting against the stub axle.

The automatic adjuster is ratchet type, poking the screwdriver in sounds like its an attempt to release the ratchet lock to allow the adjuster ring to be wound back and allow the shoes to move further away from the drum, you could try this if you think the drum is not moving because of the shoes. The automatic adjuster release is near the salve cylinder. But you may find it easier to find the handbrake cable adjuster inside the car, near the handbrake, remove a bit of plastic trim to gain access. Slackening the handbrake adjuster can also help if the drum is binding on the shoes.
OK, THANK YOU!!!
I WILL TRY THIS EVENING
AND LET YOU KNOW!!
My Name: vicolodo

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Posts: 89
Joined: Thu Jun 21, 2012 5:43 pm
Model: C3 Pluriel - with or without roof
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Hello,
finally i was able to remove the drum.
It has been hard, i used an extractor because it was blocked by the rust
and, probably, by the brake pads that was pushing in the grooves of the drum.
Here you can see some snapshots of the drum that i removed:

https://plus.google.com/photos/11726029 ... KGs4rWCywE
Brake drum removed from Pluriel
Brake drum removed from Pluriel
Do you think i can find this spare part?
I need the whole drum including the wheel bearing, already mounted (because i am not able to disassemble the bearing from the
drum, i need a special tool , perhaps...

Thanks!
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My Name: Arfur Dent

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Posts: 3437
Joined: Sat Jul 23, 2011 3:47 pm
Model: C3 2002-2005, Original shape model
Year: 2002 (52)
Engine Size: 1.4 (16v)
Fuel Type: Diesel
Mileage: 100000
Trim Level: Exclusive
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
Engine name: DV4 16-valve diesel (90 PS)
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Well done getting the drum off, its a tight fit. Thank you for the photos!

this kit for a wheel bearing change on a C3 (euro car parts) shows a picture of all the parts, which can give you an idea of to disassemble the bearing from the drum. You may be able to find a local engineering firm, maybe a small one man engineering shop that can press out and press in the new bearing. Its going to be cheaper to get the bearing replaced, even paying someone with a bearing press than replacing the whole drum. The problem with changing the whole drum, is you should change both sides at the same time and, technically both sets of shoes too, but just changing the bearing you don't need to do any extra work.

It is possible to remove bearing and fit them without a press, but it takes some practice to get it right, its just much easier to pay someone to do the pressing in and pressing out. It doesn't need to be a car garage or auto workshop, bearing are bearings and any mechanical engineering workshop can do the job.

Image


If you want the whole drum and bearing assembly, you can get it from here: Rear drum with bearing fitted - Citroen C3 - its a new drum with the bearing already fitted and a new ABS ring included too! Its a much easier option than just replacing the bearing ;)
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My Name: vicolodo

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Posts: 89
Joined: Thu Jun 21, 2012 5:43 pm
Model: C3 Pluriel - with or without roof
Year: 2004 (04)
Engine Size: 1.4
Fuel Type: Diesel
Mileage: 250000
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: LHD (Europe)
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Hello,
thank you for the suggestions! you are very kind!

Now i would like to buy the bearing and try to do the job by myself.

I tried to remove the ring ('seeger') that holds the bearing into the drum,
but it is very hard:
i tried to lift it with a small chisel, but it seems to be locked

You can see the ring here:
C3 rear wheel bearing
C3 rear wheel bearing
that is this ring of the replacement kit:


I know there is a special tool to do this job,
but i am not able to find it (perhaps its a tool only available in citroen workshops)
Perhaps i must build it...

Do you have any advice to help me to remove this ring?
Thank you!!
User avatar
My Name: Arfur Dent

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Posts: 3437
Joined: Sat Jul 23, 2011 3:47 pm
Model: C3 2002-2005, Original shape model
Year: 2002 (52)
Engine Size: 1.4 (16v)
Fuel Type: Diesel
Mileage: 100000
Trim Level: Exclusive
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: RHD (UK)
Engine name: DV4 16-valve diesel (90 PS)
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I tried to remove the ring ('seeger') that holds the bearing into the drum,
but it is very hard:
i tried to lift it with a small chisel, but it seems to be locked
You may have to break it to get it out. There is no special tool, try 2 hook shaped tools onto each end of the ring or an internal divider, it all depends what you have to hand.

It doesn't matter how you get it out as you throw away the ring ('seeger') and fit a new one from the kit, same goes for the bearing. Just be careful not to damage the surface of the drum that accepts the bearing.

Its made of a hardened spring steel. Its not locked in by anything other than its own spring pressure and probably brake dust and rust.

Now i would like to buy the bearing and try to do the job by myself.
My advice is to learn all you can about bearing fitting and do it correctly to avoid having to change the bearing again in 2000Kms. Bearings are easily damaged if not treated correctly when fitting. It doesn't matter what you do to the bearing to remove it as it goes in the bin, in one or 30 bits.
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My Name: vicolodo

Experienced Member
Posts: 89
Joined: Thu Jun 21, 2012 5:43 pm
Model: C3 Pluriel - with or without roof
Year: 2004 (04)
Engine Size: 1.4
Fuel Type: Diesel
Mileage: 250000
Gearbox: Manual 5 speed
DPF: No
LHD or RHD: LHD (Europe)
Been thanked: 1 time

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Thank you!!
Do you think that heating the ring with a blowtorch can help? (i own a blowtorch)

And, about the mounting of the new bearing:
i read somewhere that putting the bearing in the refrigerator for some time before mounting it,
can facilitate the work.... do you agree?

Thanks a lot!
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