Citroen C5 X7 Hydarulic Pump leak
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  1. #1
    Fellow Frogger! dieselman's Avatar
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    Default Citroen C5 X7 Hydarulic Pump leak

    Hi,
    I have a 2008 Citroen C5 X7 with a leaky hydraulic pump.
    The LDS will leak out of the pump even without the pump operating.
    I appears to be coming out close to the top of the pump, just below the reservoir.
    After it has been running, the filler cap releases pressure when opened, so it's not likely to be a damaged reservoir.
    Are these repairable?
    Any tips that I should be aware of before I investigate it further?

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    Thanks.
    Leon

    1987 Peugeot 505 GTD
    2010 Citroen C5 3.0 V6 HDi
    2010 Citroen C5 3.0 V6 HDi (wife's car)

  2. #2
    UFO
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    CitroŽn Tragic UFO's Avatar
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    Default

    At the last service of mine a new LDS reservoir cap was fitted as this is a new style that vents. Apparently this factory approved modification was made to alleviate problems that sound like your car's. My C5 was not showing signs of leaking BTW - this was done as a preventative.
    Craig K
    2009 C5 HDi Exclusive

  3. #3
    Fellow Frogger! dieselman's Avatar
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    Quote Originally Posted by UFO View Post
    At the last service of mine a new LDS reservoir cap was fitted as this is a new style that vents. Apparently this factory approved modification was made to alleviate problems that sound like your car's. My C5 was not showing signs of leaking BTW - this was done as a preventative.
    Thanks Craig.
    I will get one of those caps.
    I don't think it will solve my problem though, but it may help in the future.
    I might need to remove the reservoir for a closer inspection.
    It might just be a leaky O-ring.
    Leon

    1987 Peugeot 505 GTD
    2010 Citroen C5 3.0 V6 HDi
    2010 Citroen C5 3.0 V6 HDi (wife's car)

  4. #4
    Fellow Frogger! dieselman's Avatar
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    Source of leak found to be a small crack in the reservoir.
    Leon

    1987 Peugeot 505 GTD
    2010 Citroen C5 3.0 V6 HDi
    2010 Citroen C5 3.0 V6 HDi (wife's car)

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