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Thread: Does this turbo sound normal? Video inside.

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    Regular Member john506's Avatar
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    Default Does this turbo sound normal? Video inside.

    Took a short video of me revving my engine, does it sound like there is a split hose somewhere or are they supposed to whistle and hiss this much?

    Thanks.

    http://www.youtube.com/watch?v=phT6UEyaTQ0

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    Regular Member franko's Avatar
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    hi mate watched ur vid sounds normal enough to me ive got a 1.9 cdti and it sound the same as yours it pulls like a train

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    U have ur self a boost leak mate way too much hissing my 150 just makes a nice turbo spool whistle check ur intercooler hose big thick one next to battery and the vacuum hoses

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    Regular Member john506's Avatar
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    Hi mark, video doesn't do the sound much justice it is actually a bit louder and more prominent than the video shows. I've checked all hoses in sight with no luck, when I get someone else to rev it, the whistling and hissing sounds like it's coming from infront of the air filter box, is this a usual area for a boost leak? I did remove and check the one that comes off the top of the battery box but it was fine :/

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    Quote Originally Posted by john506 View Post
    Hi mark, video doesn't do the sound much justice it is actually a bit louder and more prominent than the video shows. I've checked all hoses in sight with no luck, when I get someone else to rev it, the whistling and hissing sounds like it's coming from infront of the air filter box, is this a usual area for a boost leak? I did remove and check the one that comes off the top of the battery box but it was fine :/
    Ah yes it does sound like air filter is there even one in there that's what it sounds like

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    Regular Member john506's Avatar
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    Yes there is an air filter in there, there is one screw on the air filter box that just spins, surely not this?

    I have also done the air filter box mod were you take the cone piece out, anyone else experienced hissing after this?

    Still does pull well, in 2nd gear the car jumps from 15mp to 40mph so plenty of umphhh!

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    No idea then mate I've taken out the bottom piece and shortened the intake and it don't sound like that

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    Regular Member zafira's Avatar
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    Its a normal sound on 1.9 cdti. When you have load on engine and turbo boost hard the sound dissappear.

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    Quote Originally Posted by zafira View Post
    Its a normal sound on 1.9 cdti. When you have load on engine and turbo boost hard the sound dissappear.
    Mine don't sound like that mines nice and quite with just a whistle from turbo

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    Don't just check the hoses if they are broken, also check the metal clips that help keep the hoses in place. I had a similar problem and it turned out to be a worn metal clip (I don't know the exact term of it) that held the hose from the intercooler to the inlet.

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