C5 HDi 2010 Sticky Steering
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  1. #1
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    Default C5 HDi 2010 Sticky Steering

    Curious this, and hard to describe. Around town (Margaret River, W.A.) the steering on the C5 is light and responsive. However whenever I embark on a long trip, the steering develops a sort of "stiction" in and around the straight ahead position which makes driving quite uncomfortable. It takes a greater effort to move the wheel, and for the smallish movements on a motorway (Margaret River to Perth for example) the wheel won't self-centre. It tends to stick where you move it to. I'm beginning to think it must be something to do with things in the engine bay warming up. Left standing for a few hours, the steering returns to normal, but becomes "sticky" again quite quickly unless left overnight. I guess the effect might be the same if, for example, there was a bush in the steering column that was far too tight (although I am not suggesting that that's the case here). I have taken it to the Citroen agents in Perth, but it's only a short drive to them, and by the time they checked it the engine bay was pretty cool, and so they couldn't detect the fault.

    it's really ruining what would otherwise be a very pleasant driving experience. Has anyone a clue about what might be causing the problem??

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  2. #2
    Contented Peugeot Driver addo's Avatar
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    I'd be suspicious of the pump, if it were a rack issue the fault should be consistent.

  3. #3
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    I've always assumed that the power steering was electrically assisted. Is that correct? But perhaps it simply means that the pump is electrically driven. I also gather that on some cars the steering assistance is reduced the higher the speed, however once the stickiness starts, it is not affected by speed. So you may well be correct about a pump fault. Not sure whether to see a power steering specialist or stick with the Citroen agents.
    On second thoughts, however, the assistance seems normal when parking, althought the stickiness around the straight ahead position remains.
    Last edited by Allen; 12th October 2015 at 01:47 PM.

  4. #4
    1000+ Posts Ken W's Avatar
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    It is electrically driven but I think there are two versions across the Comfort and Exclusive models and it uses LDS fluid from the suspension system. Is your LDS reservoir at the proper level?

    There will be an ECU that runs the pump to produce what ever pressure is required to provide the necessary assistance for the speed and conditions the car is traveling at. I think they are supposed to reduce assistance as speed rises to make the steering less sensitive at speed like the diravi system does. I'm sure it would record error codes if there were problems and it was interrogated.

    I've noticed that only major errors seem to be signaled onto the dashboard display and the Check button display.

    If you know anyone over there with a Lexia or Diagbox computer, perhaps a session might shed some light on the problem.

    Cheers, Ken W

  5. #5
    Tadpole
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    I had a similar problem with my C5. Took it back under warranty, and they (Lance Dixon) greased a union or
    coupling in the steering column, according to a bulletin. It's much better now.
    The symptom was the tightness you describe, after driving for a while, and it would disappear for a time if
    you "should it's head" by steering slightly left and right (with due care, says the disclaimer!).

  6. #6
    Too many posts! JohnW's Avatar
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    Quote Originally Posted by DyneDude View Post
    I had a similar problem with my C5. Took it back under warranty, and they (Lance Dixon) greased a union or
    coupling in the steering column, according to a bulletin. It's much better now.
    The symptom was the tightness you describe, after driving for a while, and it would disappear for a time if
    you "should it's head" by steering slightly left and right (with due care, says the disclaimer!).
    WA roads are remarkably/boringly straight......
    JohnW

    Renault 4CV 1951
    Renault R8 1965
    Renault Scenic 2005 (wife's)
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    Renault Scenic 2006 (daughter's)
    CitroŽn CX Pallas 1980

    National Co-ordinator, Renault 4CV Register of Australia

  7. #7
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    Quote Originally Posted by DyneDude View Post
    I had a similar problem with my C5. Took it back under warranty, and they (Lance Dixon) greased a union or
    coupling in the steering column, according to a bulletin. It's much better now.
    The symptom was the tightness you describe, after driving for a while, and it would disappear for a time if
    you "should it's head" by steering slightly left and right (with due care, says the disclaimer!).
    Ah Ha! Sounds like you might have solved it for me. I might phone Lance Dixon's Service Dept and ask for advice. Not sure what you mean by "should it's head". Do you mean shake? I have tried wriggling the wheel when the ' stiction' gets bad, but it makes no difference.

  8. #8
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    Indeed they are. And the freeway between Margaret River and Perth is excessively so. That's why the stickyness is so annoying. If it was a twisty sort of road, I probably wouldn't notice it.

  9. #9
    Tadpole
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    Sorry, should have been "Shook it's head", meaning turning a little one way then the other.
    It felt like a CV partially seizing, a problem I had once on the Newel Hwy in the Renault 17
    years ago on long, straight sections.

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