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Thread: 1.9CDTi dump valve?

  
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    thebigstu's Avatar
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    1.9CDTi dump valve?

    Does the 1.9CDTi 150 have some kind of dump valve as standard? I was driving yesterday (sport button on) with the windows down listening to the engine, I could hear the turbo spinning up and what sounded like a little hiss on gear changes.

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    A_D's Avatar
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    Doubt it will have a dump valve as they tend to overspeed the rotor and can cause falure also they reduce the life span of the core, could be wrong tho, it will be wastegated though.

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    could hear the same sort of noise on mine when i had an induction kit kind of a whoosh noise when changing gear on boost its the same on my friends 1.3 cdti corsa, have you got a induction kit ?

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    Nope. Completely standard engine and parts.

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    DemonikApe's Avatar
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    I can hear that sound on my 150cdti, maybe its just me but I've only heard it since I've got my new turbo, couldn't hear it with the old one

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