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Citroen C5 2.2 2003 - Suspension spheres #

Posted by Derek Job on September 8, 2012, 1:50 pm

Year of Manufacture *: 2003
( Optional ) Engine Code or CC: 2200cc

Hi all,

I have a customer with a Citroen C5 which developed a very hard suspension, I replaced the front spheres which cured his problem and he’s quite happy with it. But what I hope someone can explain to me is which part of this suspension system acts as the shock absorbers. I noted that shock absorbers are not listed for this vehicle. When I road tested it I found that if I came off the top of a speed hump at a speed that allows the suspension to drop down quickly, it feels excessively harsh, as though it had no damping.

Derek

Re: Citroen C5 Suspension

Posted by Steve Nicholas <iframe src='https://members4.boardhost.com/ukautotalk/info/user=UKAT5547' width='330' height='300' border=0 style='border:none;'> on September 8, 2012, 8:43 pm, in reply to "Citroen C5 Suspension"

Hi Derek

The system does not require dampers as conventional coil-spring suspension does. The pressurised fluid is ported to the suspension spheres through a restriction which must also help to remove any tendency to oscillate.

We used to replace the accumulator spheres as well as the suspension unit spheres as they all affect ride quality - they can all fail together.

This link to a Wikipedia article explains it all very well...

Regards,

Steve

Link: http://en.wikipedia.org/wiki/Hydropneumatic_suspension

Re: Citroen C5 Suspension

Posted by Ian Baxter <iframe src='https://members4.boardhost.com/ukautotalk/info/user=UKAT1560' width='330' height='300' border=0 style='border:none;'> on September 9, 2012, 2:20 am, in reply to "Re: Citroen C5 Suspension"
Ian Baxter

The top of the spheres are filled with gas and after time this gas can leak through the diaphram in the sphere thus the damping effect would be lost and give hard suspension ( well in the CX GSA days anyway ) so new spheres fitted this fixed bumpy ride

not forgetting nice new LHM green fluid flush.
Now I Know I'm getting old

.
Ian

Re: Citroen C5 Suspension

Posted by Derek Job <iframe src='https://members4.boardhost.com/ukautotalk/info/user=UKAT5533' width='330' height='300' border=0 style='border:none;'> on September 9, 2012, 8:35 am, in reply to "Re: Citroen C5 Suspension"
Derek Job

Thank you both for your replies, that makes it clearer.
Ian, do you have trouble sleeping?

all the best
Derek

Re: Citroen C5 Suspension

Posted by Ian baxter <iframe src='https://members4.boardhost.com/ukautotalk/info/user=UKAT1560' width='330' height='300' border=0 style='border:none;'> on September 9, 2012, 10:53 am, in reply to "Re: Citroen C5 Suspension"
Ian Baxter

Hello Derek,
I Might have had a small Sherry or two last night

and the next thing you know you find yourself on the computer.

Cheers, Ian.

Re: Citroen C5 Suspension

Posted by Peter Mutlow <iframe src='https://members4.boardhost.com/ukautotalk/info/user=UKAT1569' width='330' height='300' border=0 style='border:none;'> on September 9, 2012, 5:17 pm, in reply to "Re: Citroen C5 Suspension"
Peter Mutlow

Any idea where the "like" button is on this site?

Regards

Pete M

Re: Citroen C5 Suspension

Posted by keith brown <iframe src='https://members4.boardhost.com/ukautotalk/info/user=UKAT1429' width='330' height='300' border=0 style='border:none;'> on September 11, 2012, 8:41 am, in reply to "Re: Citroen C5 Suspension"
Keith Brown

Sorry to hyjack the post, Ian mentioned his age & GSA in his post all in the same sentence i shuddered with memorys of replaceing camshafts on gsa's on a daily basis,those were the days

Re: Citroen C5 Suspension

Posted by tom fitter <iframe src='https://members4.boardhost.com/ukautotalk/info/user=UKAT5519' width='330' height='300' border=0 style='border:none;'> on September 15, 2012, 8:18 am, in reply to "Re: Citroen C5 Suspension"
Tom Fitter

Hi Derek, you still at it! Thought you would be retired By now!

Re: Citroen C5 Suspension

Posted by Derek Job <iframe src='https://members4.boardhost.com/ukautotalk/info/user=UKAT5533' width='330' height='300' border=0 style='border:none;'> on September 15, 2012, 2:00 pm, in reply to "Re: Citroen C5 Suspension"
Derek Job

Hi Tom,

I'm only 67 got years to go yet

. It's good to see your still active, are you still teaching at the college? Hope to see you sometime.

Derek

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