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Thread: what is a Swirl valve? how do i know if mines got a prob?

  1. #1
    Regular Member Craig1985's Avatar
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    Default what is a Swirl valve? how do i know if mines got a prob?

    sorry but keep seeing people wit problems wit swirl valve?

    so-------------what is a Swirl valve? how do i know if mines got a prob?

  2. #2
    Regular Member Steel's Avatar
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    Vehicle : Vectra

    Trim : Sri

    Engine : Z19DTH

    Year : 2005

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    If you have a 1.9cdti 120 don't worry, it doesn't have them, if you have a 150 it does. Basically what they do is vary the inlet tract length to either give more torque or power dependant on demand, a clever little engineering trick that works, until they stick!

    I am under the impression that later models were fitted with a modified inlet manifold, someone will correct me if I'm wrong I'm sure, I am led to believe that mine was fitted with the modified version when it was changed.

    If it does develop a fault you will experience a serious loss of power, limp home mode is incredibly limp!

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    Regular Member kenp's Avatar
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    Vehicle : Vectra C


    Engine : 2.2 Direct

    Year : 2004

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    Thats correct they have modified the swirl valve (inlet) on the new´er parts. just got mine changed today after that error.

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    Regular Member Craig1985's Avatar
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    mine is 1.9 150 on a march 07 reg? will i have the mod?

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    Regular Member kenp's Avatar
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    Vehicle : Vectra C


    Engine : 2.2 Direct

    Year : 2004

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    Not sure...

  6. #6
    Regular Member Steel's Avatar
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    Vehicle : Vectra

    Trim : Sri

    Engine : Z19DTH

    Year : 2005

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    If you have a friendly dealer they could have a look and tell you the date break on the part change, or maybe someone on here with TIS could tell you, I don't have it any more

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    Regular Member martind511's Avatar
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    Vehicle : Audii A3 Sportback

    Trim : S Line Black Edition

    Engine : 2.0 Diesel

    Year : 2011

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    Quote Originally Posted by vectra1.9cdti View Post
    mine is 1.9 150 on a march 07 reg? will i have the mod?
    My 56 Plate 1.9 150 didn't have it - its a very weird experience when it goes - your foot is flat to the floor and the car doesn't respond at all for a few seconds and then off it goes at full pelt - totally intermittant. Got it changed under warranty

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