Loud screeching noise in a 308cc engine.
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Thread: Loud screeching noise in a 308cc engine.

  1. #1
    Tadpole 207ccRipper's Avatar
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    Default Loud screeching noise in a 308cc engine.

    I have a 2009 308cc turbo in the morning at start up it produces a loud screeching sound I feel itís coming from the high pressure fuel pump but not sure. Anyway when it reaches pressure the noise slowly fades away. Kind of puzzled the motors runs fine, plenty of powers and the noise disappears once all is warm.
    Thinking of swapping out the fuel pump.
    Any clues guys.
    Regards


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  2. #2
    Fellow Frogger!
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    Quote Originally Posted by 207ccRipper View Post
    I have a 2009 308cc turbo in the morning at start up it produces a loud screeching sound I feel itís coming from the high pressure fuel pump but not sure. Anyway when it reaches pressure the noise slowly fades away. Kind of puzzled the motors runs fine, plenty of powers and the noise disappears once all is warm.
    Thinking of swapping out the fuel pump.
    Any clues guys.
    Regards


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    ĎFan beltí / power steering belt a tad loose perhaps. As it heats up by slipping it would probably fade away.


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    Fellow Frogger! dmccurtayne's Avatar
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    Vacuum pump stop driving it itís going to lock up and shit the cam
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    Tadpole 207ccRipper's Avatar
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    Not the fan belt just replaced it. All good thanks for the suggestion


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  5. #5
    Tadpole 207ccRipper's Avatar
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    Hmm vacuum pump , I have already pulled it apart looks fine plenty of oil inside to lubrication. Thanks for the idea though.


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    Fellow Frogger! dmccurtayne's Avatar
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    Try swapping one also sometimes the pcvs are noisy try starting it with the oil cap off if you have a code clearer

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    Tadpole 207ccRipper's Avatar
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    Ok Iíll give it a go. I have daigbox and PP2000. Strange one ah. I have had the car for a couple of months and when I went to see it it was already warm and running now I know why.


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  8. #8
    Tadpole 207ccRipper's Avatar
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    When the it gives a psst noise as the pressure releases if you get close to it you can hear it, when it does that the screech seems to fade away. Hmm


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  9. #9
    1000+ Posts driven's Avatar
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    Get a long metal rod. Poke this down into the engine at each component in turn.
    Hold your ear to the rod
    You will quickly locate which component is causing the screeching
    May be pulley
    New belt has stretch da bit and is loose

  10. #10
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    I use a piece of hose and use it like a stethoscope for noise location.


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