Citroen C5 x7 LDS leaks and hydraulic suspension issue

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mmatin
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Joined: 16 Jan 2017, 11:45

Citroen C5 x7 LDS leaks and hydraulic suspension issue

Post by mmatin »

HI all!

I have problem with LDS leaking from rubber pipe above middle back spheres. It is not big leak, it's more like teardrop, but still I didn't pass MOT because of this. For example, I have cleaned everything yesterday and today I can see only one drop at the end of the rubber pipe, as you can see on the photo.
leak1.png
I have been told that this pipe is not under pressure and this is just return pipe, so what I'm planning to do is to cut the part which leaks and connect the good part of the pipe again, because pipe is long enough even if I cut it.
I just wonder, can I safely remove it and is it true that this pipe is not under pressure?
Btw, yesterday, I have checked LDS level and it was fine, just as it should be, between min and max.

The other problem I have is with suspension, I can not lift the car to the highest level. All other levels work fine, car drives smoothly without any problem, I can lower the car, I can lift it to middle high level, but when I try to lift it to the highest level, it just stays at middle high level. I can hear pump is working and after 15-20 sec pump sound changes, so I thought, because of leak there is no enough LDS, but as I said, I have checked LDS level and it's fine.
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Stickyfinger
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Re: Citroen C5 x7 LDS leaks and hydraulic suspension issue

Post by Stickyfinger »

Yes, you can cut it, just make sure that it is not left under tension.

Check and (wash out with WD40) clean the height correctors front and rear, check the "dog bone" connectors are free (between the AntiRollBar and the height control block)

NEVER GO UNDER a Citroen without Axle stands in position. NEVER, do NOT Be tempted EVER.
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xantia_v6
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Re: Citroen C5 x7 LDS leaks and hydraulic suspension issue

Post by xantia_v6 »

That does not look like a genuine Citroen hose clamp, perhaps the hose clamp is causing the leak by unevenly clamping and distorting the hose? It would be easier to try a better hose clamp first.
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Stickyfinger
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Re: Citroen C5 x7 LDS leaks and hydraulic suspension issue

Post by Stickyfinger »

Good point, standard screw types are horrible
mmatin
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Re: Citroen C5 x7 LDS leaks and hydraulic suspension issue

Post by mmatin »

Thanks for reply guys! Pipe was replaced before 1.5 year ago and the work was done by Citroen dealer, so blame on them.
I did wash my car under a few days ago, maybe this is the reason why I can not lift it to the end. I wil try with WD.
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Stickyfinger
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Re: Citroen C5 x7 LDS leaks and hydraulic suspension issue

Post by Stickyfinger »

Only use the WD40 to "wash-out" b the height sensor, use a little oil then a waterproof grease to lubricate it correctly after it has been cleaned.