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Thread: Second Opinion...

  1. #1
    Regular Member Zeus^'s Avatar
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    Default Second Opinion...

    Afternoon all,

    I know there are lots of threads about Boost/Vacuum Control Valves on here however. I just need a second opinion on this before I spent yet more cash on my Vectra...

    I have taken the valve off the car and stripped it down for a clean as advised by the How 2 and found these...

    https://docs.google.com/open?id=0Bwe...GxJMEpxNHRKODQ

    https://docs.google.com/open?id=0Bwe...mtMYkRwZXAxZ1k

    Am I right thinking that the cracks would cause the vacuum to be weak. Thus affecting the actuator on the turbo meaning that my wastegate never quite shuts?

    Might explain my pesky 100bhp only problem :-/

    All thoughts are appreciated!

  2. #2
    Full Member Caveman_nige's Avatar
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    Vehicle : Vectra and a Signum

    Trim : top of the line in both

    Engine : Z18XE,Z19DTH,Z20NET

    Year : 2006

    Default

    can't view the pics mate, i guess the viewer needs to have a google/gmail account or something like that
    My old Signum, the animal; she now rests in pieces in several other members cars.. https://www.vectra-c.com/forum/garag...vehicle&id=200
    The wifes vec show car, started as a standard daily driver and ended up like this. https://www.vectra-c.com/forum/garag...vehicle&id=709



  3. #3
    Regular Member Zeus^'s Avatar
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    Default

    Odd...should be setup for public viewing?

    To summarise the pictures. The cracks are along the top of the unit where are the part code is. Does that help at all? Lol

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    Vehicle : saab 93 tid(150)

    Trim : sport

    Engine : 1.9 z19dth

    Year : 2005

    Mileage : 63000

    Default

    The cracks dont that deep in the pics and if i remember correctly when i dismantled my bcs there is a metal shaft inside where a pin fits into and i think its internally sealed anyway BUT to be safe i would clean the area and use normal glue blobbed onto the cracks if that helps fella

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    Full Member neverlandandy's Avatar
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    Vehicle : Insignia Elite Nav

    Trim : Elite

    Engine : 2.0 cdti

    Year : 2012

    Mileage : 9k

    Default

    photo 2.jpg
    Attached Images Attached Images

  6. #6
    Regular Member Zeus^'s Avatar
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    Default

    @neverlandandy TY for the picture attachment!

    Glue is a good shout actually. Think ive still got some araldite kicking around somewhere. That stuff is like concrete!

  7. #7
    Full Member merikiito's Avatar
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    Vehicle : Insignia CDTi SRi NAV 160

    Trim : SRi

    Engine : A20DTH

    Year : 2009

    Mileage : 88000

    Default

    I would be inclined to replace it as it does not look good. Did you check the vacumn pipe that goes to the turbo for leaks/splits. (assuming its the same turbo as the 150)
    Best bet would be removing the heatshield for the Turbo removing the tube and checking it, it should have a protective silver metal around it. Not sure if you can get to it by removing the plastic undertray and look from underneath. also with the heatshield off you can see if there are any oil leaks or corroded bits
    Lois Griffin: Peter! You're bribing your daughter with a car?
    Peter Griffin: Ah, c'mon, Lois, isn't 'bribe' just another word for 'love'?

  8. #8
    Regular Member Zeus^'s Avatar
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    Default

    The vacuum pipe to the turbo looks good. Checked all of these when I had the valve off. Theres also no oil or rust etc. The turbo itself is only 15,000 miles old.

    The internals of the valve seem all fine and dandy. Didnt really require cleaning. Whats alarming are the cracks. Think I may just replace it...found one on fleabay for not too much

    What about this as a replacement?

    http://www.ebay.co.uk/itm/1708943664...84.m1423.l2649
    Last edited by Zeus^; 15th August 2012 at 18:00. Reason: Add ebay link.

  9. #9
    Full Member merikiito's Avatar
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    Vehicle : Insignia CDTi SRi NAV 160

    Trim : SRi

    Engine : A20DTH

    Year : 2009

    Mileage : 88000

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    I know that the 120 and 150 turbo are different part numbers but can you physically put the wrong turbo on and would it still run?
    Lois Griffin: Peter! You're bribing your daughter with a car?
    Peter Griffin: Ah, c'mon, Lois, isn't 'bribe' just another word for 'love'?

  10. #10
    Regular Member Zeus^'s Avatar
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    Default

    Good question. I didn't fit the turbo. Anyone else shed some light on this?

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