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OM612 buzzing noise

Discussion in 'Electrics, Vacuum, Ignition and ECU' started by leonrsa, Aug 16, 2019.

  1. leonrsa

    leonrsa Member

    Messages:
    17
    Likes Received:
    5
    Joined:
    Apr 3, 2014
    Location:
    South Africa
    Your Mercedes:
    2005 C270CDI W203
    Hi all,

    I have this buzzing noise for about 5 seconds upon engine shutdown. It comes from the vacuum valve which operates the turbo.
    Simple question: should this be replaced. (The turbo linkage still moves)
     
  2. OP
    leonrsa

    leonrsa Member

    Messages:
    17
    Likes Received:
    5
    Joined:
    Apr 3, 2014
    Location:
    South Africa
    Your Mercedes:
    2005 C270CDI W203
    Somebody please throw me a bone...;)
     

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