Should be as simple as changing the front spheres. Basically the sphere is
a pressurised nitrogen-filled chamber into and out of which hydraulic fluid
flows (through a very small hole providing a lot of resistance - the same as
these new machines you get in gyms these days), they act, in effect, as both
spring and shock-absorber.
When the membrane in the sphere degrades the nitrogen escapes and the whole
system gets really hard. The only way to fix it is by replacing the
DO NOT UNDER ANY CIRCUMSTANCES (except if it is still under warranty!) TAKE
IT TO YOUR DEALER! They will charge you more than the car is worth to do
the job. If you aren't scared of mechanical things, do it yourself or get
someone who is to do it - it is really simple, if fact it is a case of
depressurising the system (stick the suspension in lowest mode) unscrew the
sphere and screw a new one on, do a load of right ups and right downs and
you are done!
There are many good Citroen websites out there that will guide you through
the process, google is your friend!
Sorry to hijack the thread, but my dad's '00 Xantia has recently developed
a distinctly bouncy ride - any idea what might be the cause? I've looked
at a few citroen websites, and have seen the rock-hard suspension problem
covered in a few places, but not the bouncy-suspension problem.
My initial thought was that there must be air trapped in the fluid, but it
appears that the system should be self-bleeding, unless I've misunderstood.
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