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Thread: 1.9 cdti manifold advice

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    Default 1.9 cdti manifold advice

    hi all, i'm new to this forum , but i wondered if someone could help with some advice please. I have a 55 plate 1.9 cdti vectra with the dreaded inlet manifold swirl valve failure. Dealer quoted me £960 to replace(robbers).So i searched and found this forum. I have found the "how to " posted on here and think i may have a go at doing the job myself. I have found on ebay a new replacement manifold and controller for just under £300 with gasket. My question is do i need to replace the controller when fitting a new manifold or if the old one still moves can i reuse that one.

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    Hi spngebob,

    did mine last year(thread on here somewhere) and i didnt bother changing the actuator. I just changed the manifold. I know VX say to do it but when i asked around on here i was told that as long as the battery is disconnected while you do the job when you reconnect everything the actuator starts with a blank memory so it doesnt need to be changed as long as its free to move(move the arm carefully when you check it as i think theres some gearing inside that may get damaged if you move it too fast.) ive now done 10,000 miles since i changed it and its given me no hassle at all.

    hope this helps and good luck with the change(it looks worse that it is) i did mine on my drive with no jack and it was still not as bad as i thought it was going to be.

    cheers Spurty

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    Mine was done a month or so ago, the actuator wasn't changed either. The manifold was about £170 off ebay. You should notice a huge difference in power when it's done.

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    hi spurty

    thanks for your reply,i too will be attempting to do this on my drive. I checked with the engine running and the third valve does move when the engine is reved, but not very much. I wondered if it was worth changing the controller to avoid having to do it again later on. I've read the how to on this forum so hopefully i should be ok.

    cheers spongebob

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    hi badback

    i appear to have reasonable power, but fuel economy is poor

    cheers spongebob

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    Quote Originally Posted by spongebob View Post
    hi badback

    i appear to have reasonable power, but fuel economy is poor

    cheers spongebob
    I thought my car was running fine, even though the swirl bar had been lying on it's side for over 30,000 miles, but I've owned it over 3 years and didn't notice the drop in power, as soon as it was done it was like the car had been mapped.

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    Dealer spotted mine when it went in for service,when i asked about it they said if i had no fault lights and good fuel economy just leave it. But fuel economy is poor so im gonna bite the bullet and have a go at it.

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    Regular Member badback's Avatar
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    It's well worth doing mate, I couldn't believe the difference in mine. Good luck with it.

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    thanks badback,off to order the parts

    regards

    spongebob

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    Vehicle : vectra-c

    Trim : sri

    Engine : cdti

    Year : 2004

    Mileage : 98,000

    Default

    As you've read through the 'how 2' you will have noticed I didn't change Bens actuator & never have changed one doing this job, The 3rd swirl wont seem to move that much 'at most' its about a 1/4 'IE from twelve to three on a clock', Its movement is limited Both ways on the underside of the manifold anyway so cant be altered, allow time for cleaning parts such as EGR, BOOST SENSOR & THROTTLE BODY good luck & if you get stuck you can pm.

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