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Squeaky CVT?

Discussion in 'Engine, Drivetrain, Fuel and Exhaust' started by Corbo, Oct 28, 2012.

  1. Corbo

    Corbo New Member

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    Joined:
    Oct 25, 2012
    Location:
    West Yorkshire
    Your Mercedes:
    B180CDI/2008/2litre
    My recently acquired 2008 B180CDI squeaks during tickover. The frequency seems related to the engine rpm. It's more noticeable at cold start, but can sometimes be heard when warmed-up and standing in traffic at tickover speeds. Noise disappears above about 1200rpm. Can I cure it? Is it indicative of a BIG problem? What's my next move please?
     
  2. television

    television Always remembered RIP

    Messages:
    164,074
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    310
    Joined:
    Mar 14, 2005
    Location:
    Daventry
    Your Mercedes:
    2002 SL500, 216 CL500, all fully loaded
    I doubt very much if anything big,,, you can use a long screwdriver with the blade on each component in turn and the handle to your ear like a stethoscope but be very careful of any moving parts as they could pull the driver from your hand, it could be the idler, possible water pump but the idler is the most common where a little oil can be applied
     
  3. WG M-B

    WG M-B Senior Member Authorised Forum Supporter

    Messages:
    3,105
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    Joined:
    Dec 5, 2010
    Location:
    North west london
    Your Mercedes:
    C63 Wagon in black
    As above it sounds much like a squeak from the belt train
     

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