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Suspension gone hard - crashing on bumps
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Author Post
gmerry   
Sat Feb 25 2012, 10:56pm

Joined: Dec 11 2009
Member No: #21
Location: Scotland
 Hi Smorphet et al, I changed out my two front suspension spheres. They both make a rattling sound when shaken. Can't imagine this is correct. Now have two Monroes SP8133 (50 bar) fitted up front. Will test drive and if still not correct, will try the front stiffness sphere next.

Regards
G

PS, will make up a sphere tester at some stage.
Junksleeper   
Fri Sep 12 2014, 10:19pm

Joined: Feb 28 2014
Member No: #1605
Location: Staffordshire
 I have a very similair problem on my 07 plate 2.7 exclusive, ie hard suspension at low speed especially over speed bumps and the like and after taking it to local Citroen/Peugot specialist was informed that as well as having the aforementioned smorphet's experience of a diagnostic showing a fault from a front static pressure sensor, the rear nearside suspension cylinder was leaking and needed replacing at a cost of £350 (part specially ordered from France)- sharp intake of breath!

I've read on a few C5 forums that these cylinders have seals and gaiters that are replaceable for a lot less than £350 notes. I've also read that they are supposed to bleed to lubricate the cylinder. Can the same be said for C6 suspension cylinders? The garage state that without replacing it , it will not be possible to trace the suspension fault.

I'm almost resigned to spending loads of money and ending up getting nowhere in fixing the initial problem. I'm not overly keen on replacing sensors unnecessarily. There seems to be conflicting advice as to how to actually test the spheres which would seem to be the easiest and quickest way of eliminating or tracing faults.

Any ideas out there? Any help from you guys will be very much appreciated.
C6Dave   
Sat Sep 13 2014, 07:32pm


Joined: Oct 01 2009
Member No: #1
Location: Northumberland
 Lots of posts already on suspension spheres which are likely to be the problem, not a sensor.
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dsharples   
Sun Sep 14 2014, 07:48am

Joined: May 18 2010
Member No: #119
Location: Woodbridge
 Dave, absolutely agree. My experience is that some dealers and specialists are adamant that the grey saucer-spheres don't fail or decrease in pressure over time, because they "have never seen any". Many C6 owners can state the reality is quite different.

I can only assume that its because many C5/C6 owners cars are now reaching the age (outside of dealer maintenance/warranty periods) where the ride is becoming truly awful, and are seeking a solution, or that the cars are now in the hands of enthusiasts who know its not right... And of course, sphere pressure/failure can't be detected by Lexia/DiagBox.

So this could be a new "learning" for all...
Mike H   
Tue Sep 23 2014, 03:02pm

Joined: Feb 16 2010
Member No: #53
Location: Melbourne
 I agree,
8 years 88k kms.
Per these posts I had all spheres changed to IFHS kit.
Very reasonable price
Much improved ride
Do this first.
You can send the old set for regas.
Mike
Tjensen   
Fri Oct 17 2014, 02:35pm

Joined: Jul 17 2012
Member No: #954
Location: Bergen
 "Air" bubbles in LDS may be gas after leaking/exploding sphere. This happened in a DS for me. Grey saucers will do this more often, due to the built-in puncturing device. I have ordered 3 new front IFHS spheres just to be sure: have a feeling that pumps in the corners are too hard, but floating is quite DS (less that 5 years, 72 000km)
ststech   
Thu Sep 24 2015, 11:04pm

Joined: Aug 31 2014
Member No: #1845
Location: CREWKERNE somerset
 i have just replaced both front corner spheres with munroe spheres.
as i was getting bad crashing on bumps and potholes, now this has disapeared the ride is so much better no more crashing!

but i have ordered a set for the rear not sure if they are faulty dont notice any crashing but the ride at the rear is very floaty like being in a boat!
any ideas anyone?
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Kaloteck   
Sat Sep 26 2015, 06:59pm
Joined: Apr 25 2013
Member No: #1271
Location: Warsaw
 Like being on a boat, yes... that's what is all about, sort of...
TycoonX   
Sat Sep 26 2015, 08:50pm

Joined: Aug 15 2012
Member No: #988
Location: Podhajska
 Monroe spheres..and any other makers are not equal to citroen spheres.. only citroen spheres can make over 200-300 000km
ststech   
Mon Sep 28 2015, 04:51am

Joined: Aug 31 2014
Member No: #1845
Location: CREWKERNE somerset
Kaloteck wrote ...

Like being on a boat, yes... that's what is all about, sort of...



Well i suffer with severe Emetaphobia fear of vomiting so there is no way i would ride in the back of my c6 at the moment or would i take anyone who is prone to travel sickness!

so i am going to replace all 7 spheres
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