Hi all,
I have an Citroen C5 II from 2004 and since a month the front of the car after I leave it few hours goes in the lowest position. If I open the door or start the car goes again in the normal position. Is there a way I can check the LDS level so I can top off the tank with some more? Here are some pictures with the front and the back:
Citroen C5 II hydraulic suspension
Moderator: RichardW
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Re: Citroen C5 II hydraulic suspension
Bottom the car out and leave it for a while (to allow the LDS to settle down). Then take the cap off the LDS reservoir. There are gratings in the neck, including some vertical slots. These have two heights (so there are some short slots starting at the bottom, and some long slots, also starting from the bottom). The LDS should be between the lower and upper height of these slots. If it is below that you need to add some LDS, and if it is above you might want to try and get some out.
Once the LDS is at the right level it could be worth doing a 'Citrobics' session. With the engine running raise and lower the suspension (to full height/lowest height) a few times, waiting a minute or so at the top/bottom position. Next put the suspension at the normal height and then turn the steering gently from lock to lock WITHOUT stopping at a lock position (so keep the steering wheel moving all of the time). Do this a few times as well. The idea (which does work) is to help any air in the hydraulics to get back to the reservoir and then escape from the system.
Once the LDS is at the right level it could be worth doing a 'Citrobics' session. With the engine running raise and lower the suspension (to full height/lowest height) a few times, waiting a minute or so at the top/bottom position. Next put the suspension at the normal height and then turn the steering gently from lock to lock WITHOUT stopping at a lock position (so keep the steering wheel moving all of the time). Do this a few times as well. The idea (which does work) is to help any air in the hydraulics to get back to the reservoir and then escape from the system.
James
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Re: Citroen C5 II hydraulic suspension
The car dropping overnight is normal. Both mine did, only by an inch. On unlocking the pump runs briefly to correct the level.
I have images somewhere of how to check the level but it could take a day to find them, knowing my 'filing system'
There was a video I found but it goes too far in using a Lexia to run through loads of checks, then drop the suspension to it's lowest point, disconnect the battery and more.
Essentially, using the suspension height buttons, lower the car to its lowest point. Leave the engine running for a few minutes after it reaches bottom.
Clean around the LDS tank top and filler cap, remove the cap. Inside is a funnel-like tube with long and short slits coming from the bottom upward. The LDS level is just below the shortest slits.
There are some threads on the forum dealing with just this, have a look here.
I have images somewhere of how to check the level but it could take a day to find them, knowing my 'filing system'
There was a video I found but it goes too far in using a Lexia to run through loads of checks, then drop the suspension to it's lowest point, disconnect the battery and more.
Essentially, using the suspension height buttons, lower the car to its lowest point. Leave the engine running for a few minutes after it reaches bottom.
Clean around the LDS tank top and filler cap, remove the cap. Inside is a funnel-like tube with long and short slits coming from the bottom upward. The LDS level is just below the shortest slits.
There are some threads on the forum dealing with just this, have a look here.
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- Posts: 10
- Joined: 09 Jun 2019, 14:36
- Location: Pașcani
- My Cars: Citroen C5 II Break 2.0 HDI
Re: Citroen C5 II hydraulic suspension
Thank you guys for you both answers , very helpful.