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C4 - DS4 Owners :: Forums :: Citroen C4 Picasso and Grand C4 Picasso (B78) 2013 onward :: C4 Picasso and Grand C4 Picasso (B78) Problems and Issues
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"Clank" sound
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Author Post
Duck999   
Mon Oct 02 2017, 05:42am
Member No: #48434
Joined: May 22 2017
Location: London
 Hi All,

I own a GP Exclusive+ 2014 2.0L BlueHdi.

I noticed a "clanking" sound - sound like a spoon hitting a saucepan coming from under the back of the car when I drive slow in side streets or sometimes when moving off. It seem to happen when

1. Slow driving
2. Moving off
3. Slowing down

It's quite random. Some days hear it more and some days less. Seem to happen more when I'm alone in the car (when the car is light).

What could be the problem?

About a month ago I had all breaks front and rear changed at the main dealers there was no such sound before this work, could this be related? I don't know too much about the mechanics so cannot point fingers.

Thanks.
matjam   
Tue Oct 03 2017, 05:05am
Member No: #47314
Joined: Jan 18 2017
Location: Warwickshire
 Hiya,
I guess you've checked there's nothing rattling around in the spare wheel cavity?

As you mention you've had the brakes recently changed, maybe one of them is binding or something. Can you tell if it's one side or the other?
1 User said Thank You to matjam for this Post :
 Duck999 (03 Oct 2017 : 10:31)
HansZarkov   
Tue Oct 03 2017, 06:17am
Member No: #28218
Joined: Nov 18 2012
Location: derbyshire
 Check the exhaust pipe brackets, that one hasn't snapped from the body of the exhaust & is rattling

John
1 User said Thank You to HansZarkov for this Post :
 Duck999 (03 Oct 2017 : 10:31)
Duck999   
Tue Oct 03 2017, 10:33am
Member No: #48434
Joined: May 22 2017
Location: London
 It does sound like it is something to do with the exhaust as the brakes works perfectly. I'll get under the car when it's sunny and see if I can find the problem - will upload a photo if possible!
Duck999   
Tue Nov 14 2017, 04:37pm
Member No: #48434
Joined: May 22 2017
Location: London
 I think I've found the problem :

- Click Here -

It's a known rear axle issue!
 

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