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C4 - DS4 Owners :: Forums :: C4 2011 (B7) DS4 and DS4 CROSSBACK :: The Garage
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Diagnosing rattle
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Rizwan   
Wed Dec 25 2019, 09:20am
Member No: #49990
Joined: Dec 01 2017
Location: Lancashire
 Whenever drive-in slight uneven surfaces a sound corms from underneath. Removed undertray from front. Checked all arches underneath nothing including heat shields ect rattling shocks had springs are fine. No issues when driving over normal big jumps. Spent hours checking. Just can't find issue. Anyone had similar issues. Any help would be greatly appreciated thanks
vexorg   
Wed Dec 25 2019, 11:27am
Member No: #48843
Joined: Jul 06 2017
Location: Scotland
 Antirollbar links or bottom balljoints are the usual
Rizwan   
Wed Dec 25 2019, 11:30am
Member No: #49990
Joined: Dec 01 2017
Location: Lancashire
 Thanks mate. Checked those. Thy ok .Baffled
skorpion   
Thu Dec 26 2019, 05:34am
Member No: #55124
Joined: Nov 28 2019
Location: West Yorkshire
Rizwan wrote ...

Whenever drive-in slight uneven surfaces a sound corms from underneath. Removed undertray from front. Checked all arches underneath nothing including heat shields ect rattling shocks had springs are fine. No issues when driving over normal big jumps. Spent hours checking. Just can't find issue. Anyone had similar issues. Any help would be greatly appreciated thanks


My last 3 Citroen's, 2008 C4, 2015 C3 Picasso, and now 2017 C4 B7 have had knocking at the rear only on uneven surfaces, they all do that sir is what I got from the dealers, the Picasso was so annoying that the rear dampers were replaced by Citroen under warranty, result lovely no more knocking, this lasted for less than a 1000 miles before the knocking started again though not as bad as before.
gmerry   
Thu Dec 26 2019, 05:37am
Member No: #11625
Joined: Nov 30 2009
Location: aberdeen
 I had a tiny rattle from the front, only appeared on cobbled roads. Removed undertray, replaced drop links, still there.

Eventually traced to a tiny bit of wear in the outer steering tierod ball joint.

regards
vexorg   
Thu Dec 26 2019, 07:52am
Member No: #48843
Joined: Jul 06 2017
Location: Scotland
 Mine has never had any rattle from the rear.

I did replace just about everything on the front suspension as the top mount bearings had gone rusty!! along with the nut on top of strut, meaning cutting it off to get the strut off.
Rizwan   
Thu Dec 26 2019, 07:43pm
Member No: #49990
Joined: Dec 01 2017
Location: Lancashire
 Thanks all
 

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