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Thread: Z19DT vacuum.what is this?

  1. #1
    Regular Member tox's Avatar
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    Vehicle : Vectra

    Trim : C

    Engine : Z19DT

    Year : 2005

    Default Z19DT vacuum.what is this?

    I had this vacuum pipe knackered on the down side, i'm pretty sure it sucked false air there.

    Any idea what it does ? (the red one)

  2. #2
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    COnnects vaccume pump ( Round bit you see through the gap) to the metal vaccume pipes to the boost solenoide and actuator.

    Boost solenoide is the bit at the front of the shot on the slam panel with 2 similar black pipes going into it.

    Just replace with a meter of black 4mm ID silicone hose off ebay about £4

  3. #3
    Regular Member tox's Avatar
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    Vehicle : Vectra

    Trim : C

    Engine : Z19DT

    Year : 2005

    Default

    this in the pictures is the new one, what happened before if it was broken ? the turbine geometry did not work correctly or what? because after the change, the car is working like never before

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    Regular Member big rich's Avatar
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    Vehicle : Vectra gsi

    Trim : Full heated leather

    Engine : 3200

    Year : 2004

    Default

    With that pipe split the boost will be all over the place. I had to buy a new solenoid to fix mine.

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