C5 Front Centre Sphere

[2cvman]

Hi Guys,
Acquired a front centre sphere from 2001/2005 2.2 HDI car and need some help on identifying various ports.
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These two ports are High Pressure?, I guess one goes to the pump, but the other???
Is this sort of detail covered in a Haynes manual???
Any hints welcome.
Cheers
Peter

[Stickyfinger]

As on a Mk1, but looks the same on a mk2 as well

[2cvman]

Thanks,
Is the schematic from Haynes?
It helps a bit more, but the pipes annotated "3" in the schematic go where ? as the pump is pipe "1"?

[wurlycorner]

That schematic is taken from the Citroen on-line parts manual.

One of the pipes in the group labelled as "3" goes to the OSF suspension sphere (as shown).
The other 2 I would guess go back to the hydraulic reservoir (going on the description Hydraulic oil back harness)