Steering- Strange Moaning Sound at very low speed turning

Discussion in 'Parts, Maintenance & Servicing' started by golden1245, Apr 7, 2014.

  1. golden1245

    golden1245 Hardcore MB Enthusiast

    Messages:
    211
    Joined:
    Sep 6, 2011
    Car:
    1999 C230K Sport
    Hello everyone, haven't been back in a while and I hope everyone is well.

    the steering in my 1999 C230K has developed a moaning noise that comes from the engine bay when I turn the steering wheel at very low speeds (pulling into or out of a parking space mainly) It's annoying and pretty loud.

    Is the power steering pump starting to go out? or is there some sort of leak in the system? I haven't found any dripping or anything like that. during normal driving, the steering is perfect.

    Thank in advance for reading!
     
  2. streethawk

    streethawk Hardcore MB Enthusiast

    Messages:
    996
    Joined:
    Jun 27, 2011
    Location:
    leicester
    Car:
    E320cdi sport
    Mine started doing this same car and year. Only when turning left on a particular corner. Fluid what's at tad low so put what seemed like a drop in and alls good now.
     
  3. tonyc280

    tonyc280 Hardcore MB Enthusiast

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    945
    Joined:
    May 22, 2010
    Location:
    Leicestershire
    Car:
    1997 C280 V6 Elegance Auto Facelift. 1992 Kawasaki ZZR1100 C3
    Try a fluid change. I've had this in a few car's I've owned over the years and it always has fixed it. Or could your belt be slipping slightly ?, just a thought, cheers, Tony.
     
  4. Sp!ke

    Sp!ke Administrator Staff Member

    Messages:
    12,234
    Joined:
    Jun 2, 2002
    Location:
    West London
    Car:
    SL500 & The Fart Car
    it'll either be low power steering fluid or a lower balljoint.

    Check the fluid first. If its low, look to see where its leaking.
     
  5. BTB 500

    BTB 500 MB Club Veteran

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    Aug 7, 2005
    Location:
    Berkshire
    Car:
    R129 SL500, W639 Vito 120, S203 C230
    Quite a lot of fluid can leak into the gaiters without any obvious drips/leaks, if the steering rack is going.
     
  6. OP
    OP
    golden1245

    golden1245 Hardcore MB Enthusiast

    Messages:
    211
    Joined:
    Sep 6, 2011
    Car:
    1999 C230K Sport
    Hmmm...the fluid reservoir is actually very full. It's brimming with liquid so I don't think it's a leak...

    My lower ball joints, steering rack, LCA bushings have all be replaced 2 years ago so things are in very good condition...
     
  7. Sp!ke

    Sp!ke Administrator Staff Member

    Messages:
    12,234
    Joined:
    Jun 2, 2002
    Location:
    West London
    Car:
    SL500 & The Fart Car
    Are you checking it with the wheels pointing straight?

    Can you record the noise and post it here?
     

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