Mercedes e350cdi W212

Discussion in 'Engine' started by Nmh, Jul 11, 2017.

  1. Nmh

    Nmh New Member

    Messages:
    7
    Joined:
    Aug 18, 2016
    Car:
    E350 cdi w212
    Hi all

    Has anyone ever had an oil leak from the high pressure turbo hose seal.

    Cheers
     
  2. Mr Filipov

    Mr Filipov Hardcore MB Enthusiast

    Messages:
    332
    Joined:
    Dec 30, 2015
    Car:
    2014 BMW 530d Gran Turismo
    Sorry for not understanding, but what is the high pressure turbo hose? Do you mean the inlet pipe in front of the turbo?
     
  3. MancMike

    MancMike New Member

    Messages:
    0
    Joined:
    Jul 29, 2014
    High pressure side is between the turbo and the engine.

    Is there an engine breather pipe going into the low pressure side that might be pulling oil through from an overfill?
     
  4. OP
    OP
    Nmh

    Nmh New Member

    Messages:
    7
    Joined:
    Aug 18, 2016
    Car:
    E350 cdi w212
    [​IMG]

    I have been told I need to replace the seal (number 50 in the diagram).
     
  5. OP
    OP
    Nmh

    Nmh New Member

    Messages:
    7
    Joined:
    Aug 18, 2016
    Car:
    E350 cdi w212
    The turbo has a slight trace of oil where it meets the inlet pipe. Oil traces around the air filters too.

    The faults came up as exhaust back pressure sensor and boost pressure (can't remember the exact wording used). Exhaust sensor done but car is still in limp mode with EML on.
     
  6. OP
    OP
    Nmh

    Nmh New Member

    Messages:
    7
    Joined:
    Aug 18, 2016
    Car:
    E350 cdi w212
    So has anyone replaced the seal and if so, did you have to remove the turbo completely? Cheers
     

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