Hi ,i recently renewed my spheres on my C5 with the correct ones from the dealers because 2 were leaking. I have the fluid up to the right level and everything works great now - no sinking overnight and no leaks.
BUT the ride is now atrocious.It wobbles all over and going over a match stick feels like a pot hole. Whats gone wrong - have I forgotten to do something ?
renewed spheres
Moderator: RichardW
Thats interesting, I'm having the same problem with my Xantia after replacing all spheres. Large undulations are fine but any sharp bumps, ridges, etc set your teeth on edge !
Now using '00 Xantia LX HDI, pov spec 
My past Citroens :-
'00 Xantia SX HDI, now dead due to accident
'99 Xantia HDI 110 Exclusive, RIP
'97 Xantia TD SX
'96 Xantia TD LX
'96 ZX TD
'89 BX TD
'88 AX GT
'79 CX2400 Pallas (scrapped )
& a couple of Peugeots !
My past Citroens :-
'00 Xantia SX HDI, now dead due to accident
'99 Xantia HDI 110 Exclusive, RIP
'97 Xantia TD SX
'96 Xantia TD LX
'96 ZX TD
'89 BX TD
'88 AX GT
'79 CX2400 Pallas (scrapped
)& a couple of Peugeots !
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XantiaDaveEire
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XantiaDaveEire
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addo
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That's sort of what I was thinking about, except air itself in the LHM is quite compressible - so leads to extra sponginess in the ride.
However, air on the suction side might mean the pump is just making enough pressure to turn the pressure safety switch off but not enough to cope with leakback.
A defective regulator is part B of system problems; too low a stored pressure and it again may be dropping the bundle on you. This really needs testing with a pressure gauge set. A proper Citroën indy might be one option here, otherwise a good gauge setup made by DIY-ing.
Hydractive spheres on a non-HA system will harshen the ride. Testing orifices with a drill index is one checking method; the correct damper numbers I can't remember where are listed (other than etched on the sphere nose).
Getting back to pressures as supplied - I NEVER trust them, and while spheres might be fitted urgently, they are also checked at the first oportunity!
However, air on the suction side might mean the pump is just making enough pressure to turn the pressure safety switch off but not enough to cope with leakback.
A defective regulator is part B of system problems; too low a stored pressure and it again may be dropping the bundle on you. This really needs testing with a pressure gauge set. A proper Citroën indy might be one option here, otherwise a good gauge setup made by DIY-ing.
Hydractive spheres on a non-HA system will harshen the ride. Testing orifices with a drill index is one checking method; the correct damper numbers I can't remember where are listed (other than etched on the sphere nose).
Getting back to pressures as supplied - I NEVER trust them, and while spheres might be fitted urgently, they are also checked at the first oportunity!
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xantia_v6
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1997 Citroen Xantia V6 (France)
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2011 Peugeot 308 CC THP 155 (NZ)
1975 Jaguar XJ-S pre-HE (NZ) - x 835
Actually I think not. I have read here (and I think I have seen the effect) that air in the LHM makes the ride (subjectively) harsher. I think it depends where it is relative to the damper element.addo wrote:That's sort of what I was thinking about, except air itself in the LHM is quite compressible - so leads to extra sponginess in the ride.