C5 Hydraulic leaks
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  1. #1
    Member
    Join Date
    Nov 2010
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    Newport QLD
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    41

    Default C5 Hydraulic leaks

    Hi all been a while since I posted

    I got a bit disillusioned when all my posts where lost lot of writing there only to be lost

    I will save them to pdf next time so I can repost and feel good again (LOL)

    On the other hand my 01 C5 is going fantastic except it is losing hydraulic fluid
    I have topped up the reservoir 3 times now in 2 years so 1.5 litres of fluid there are no stains under the car the power steering hoses are perfect I replaced the rear cells at 170,000K's car has just clicked over 200,000 K's

    I am at a loss as I am wanting to sell the car to a very good mate and wont sell it if it has a problem don't want to ruin a friendship over a Citroen

    Think I am going to get a Peugeotnext time no more hydraulic problems

    Can anyone direct me to a service centre that actually knows what they are doing here on the Gold Coast or south-east Queensland

    I don't want anyone to learn on my car while I am paying them just want to get it fixed

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    I wont take it to the local agent they misdiagnosed something before and cost me a bit and it appears they have gone bust anyway

    I was taking it to a guy in Brisbane but after I asked him to fix the back window for the 4th time I decided I would just take it to my mate down here he has done a fantastic job car is better than ever except the loss of fluid I thought if anyone on the forum knew where there was a hydraulic suspention specialist I would just take it there save all the stories from other mechanics and hopefully be happy with fredo again

  2. #2
    Fellow Frogger
    Join Date
    Jan 2004
    Location
    Sydney
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    9,771

    Default

    When LDS leaks, the lighter portions of it will evaporate and leave a sticky orange/brown residue. Over time, it may lose fluid or the rubber sections of the pipes can become sweaty, but it doesn't necessarily drip on the floor. It can be a lot of work and costly to replace some hydraulic lines, so if it's only a minor sweat, top up the fluid. The caveat is that you do not want LDS all over your rubber mounts, belts and harmonic damper. You also want to check for leaks at the front strut return hoses and the rear suspension boots.

  3. #3
    Tadpole
    Join Date
    Jan 2016
    Location
    Brunswick Heads
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    2

    Default

    Hello there,
    Am new to this forum, and it look like you could help me.

    Context first : C5 S wagon from 2003, manual, engine should be a 1.8i 16V.
    Purchased second hand to a garage in Melbourne May 2015, with 139000kms, now it has 153000. Serviced not long ago out of citroen network.
    As pictures speak more than words, you can see one showing a leak of the hydraulic system, (at the pump I guess) right at one of the top pipe.
    C5 Hydraulic leaks-c5hydraulicleak.jpg
    Now lets be honest I noticed the leak couple of month back without knowing what part that was, there was also some oil on the ground in the shed but not that much, so since I topped up the engine oil few time already I didnt pay much attention. it didnt look a major leak, and first of all I dont know much about cars. Late decision: my bad my bad my bad!!

    Eventually last week I hear some noise in the steering, when I turn hard on one side or another. Also the week before that, after driving for 2 hours by myself, I pick up 4 mates (light load to full load then) and the back suspension drop on the rim, but after 10 seconds go up to it normal height, weird but I think to myself maybe it just readjust the suspension to the weight????!??

    So I went to few forums around, I could identify the origin of the leak and checked the LDS tank (indeed it was low, like maybe 5mm max above the bottom)
    I stopped driving it, topped up with penrite LDAS and got an appointment this friday to the closest citroen dealer i/e Von Bibra Gold coast.
    I drove it this morning after the LDAS top up, no more steering noise, the pump is still running : suspension goes Up, Down...

    Questions :
    - How bad you reckon it is? hopefully just a hose seal?
    - Can I drive it for an hour to the closest garage? I guess yes.
    - Also I could see on few forums that those guys at Von Bibra dont know much about this model, so is it worst going there?, any suggestions on someone good with C5 Hydractive 3 suspension system?

    Your advise would be highly appreciated.
    Happy new year ;-)
    Benoit

  4. #4
    Fellow Frogger!
    Join Date
    Feb 2011
    Location
    brisbane Au
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    927

    Default

    Hi Benoit I'd say the system [steering and suspension] was very nearly out of fluid that's why it misbehaved. Wonder how long it's been since the level was checked?. Let's hope there's no mechanical damage. The pressure pipe tube nut in you're picture has a copper sealing washer underneath which may need replacing, or the union may just need tightening. You can buy the washer/gasket almost anywhere. Don't forget to top up the hydraulic oil after fixing.

  5. #5
    Tadpole
    Join Date
    Jan 2016
    Location
    Brunswick Heads
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    Ok cool, Do you need to purge the whole circuit to change this washer?

  6. #6
    Fellow Frogger!
    Join Date
    Nov 2013
    Location
    Gold Coast
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    153

    Default

    Quote Originally Posted by David S View Post
    You also want to check for leaks at the front strut return hoses and the rear suspension boots.
    ^ This. I had leaking fluid. I took it to Von Bibra hey told me I needed to replace the whole front strut because it was leaking fluid and replace hydraulic lines. All in all $800 quote. When I got home, I checked the return hoses, found there was a slight split in the hose. I replaced the hose, cleaned up the LDS around the strut for around $40 total cost, next service they told me strut was good. My LDS level has been around the same now for over a year

    I also have spare hoses if you need them.

    Also Transmec Motors in Varsity if you don't want to go Von Bibra.
    Last edited by garethb; 8th January 2016 at 01:29 PM.

  7. #7
    1000+ Posts
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    Nov 2010
    Location
    Newcastle
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    Quote Originally Posted by Bennef View Post
    Ok cool, Do you need to purge the whole circuit to change this washer?
    Hi,
    No problem with purging etc. Just open it up as necessary, engine NOT RUNNING, and then when the job is finished just turn the wheels both ways to full lock a couple of times. On a gravel spot would easy the process.
    As far as the leak goes, FIRST check the switch that is in that high pressure line just in the middle of the picture. The plastic top of the switch can develop a leak where it is crimped into the body or a slight crack. The oil runs down the pipes or drips on the alternator. It can be replaced even though it is not shown as a separate part.
    Cheers and good luck Jaahn

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