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Thread: Injectors Removal

  1. #1
    Regular Member dan9895's Avatar
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    Default Injectors Removal

    My car goes in to my local mechanic on monday for the injectors to be take out!

    how long should this take? any one done it before??? big job??

    vectra 2.0 dti

    thanks alot

  2. #2
    Admin plasma's Avatar
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    Vehicle : Vectra

    Trim : SRi

    Engine : 150

    Year : 05

    Mileage : 74000

    Default

    bit of a pain job... Camshaft cover has to come off. officially the camshaft has to come out too which means locking the sprocket and timing gear whilst doing it. A cheating way round it is to undo the nuts/bolts (not done this myself so dont know which it is) and then the camshaft can be moved up slightly to get underneath it which is where the injectors sit.. I reckon 2hours to remove and 2 to fit.

  3. #3
    Regular Member dan9895's Avatar
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    thanks for your reply plasma i thought it would be a much bigger job that that like hours and hours worth of work
    he reckons they may need calibrating is this pricey do you know??

    thanks alot

  4. #4
    Regular Member dan9895's Avatar
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  5. #5
    Admin plasma's Avatar
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    Vehicle : Vectra

    Trim : SRi

    Engine : 150

    Year : 05

    Mileage : 74000

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    calibrating??? Only thing i can think of is the flow rates? i know the cdti's need to be matched to the car but afaik the dti's dont need matching or pairing with the ECU?

  6. #6
    Regular Member dan9895's Avatar
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    im not sure i think it is to do with flow rate,
    cause there taking them out do to my starting problem so i gues thats what they mean i know there going to pressure test them they are going to send them off to a company who can do the "calibrating"

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    Regular Member Sundance's Avatar
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    never had any problems with the injectors themselves on the 2.0l, normally its only the seals that fail. if its having problems starting then there are a number of other things that need checking first, like the leak off pipes,seals,fuel filter,fuel pipes & more. Have you any codes stored. (to actually remove all the injectors the camshaft has to be removed, to renew the seals then you can get away with lifting the camshaft slightly.

  8. #8
    Regular Member dan9895's Avatar
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    hey sundance all those thing just mentioned have already been done and i still have the same problem,

    the car is very awkward to start, it cranks perfect but takes agaes to start.

    injector seals, leak off pipes, mass air flow, fuel filter, all fuel lines checked, the garage even changed a segment of the fuel pipe to a clear piece to see if air was in there and there were no problems with it,

    it is a ongoing probelm that at many stages they thought they had sussed it but still havent here is the link to the other thread with regards to it not starting its quite long but theres alot of info if you have any other ideas please let me know...... its driving me mad

    http://forum.vectra-c.com/showthread.php?t=52667

    forgot to mention no codes stored no faults present no engine managment light ever and no old codes thanks alot
    Last edited by dan9895; 18th September 2008 at 23:12.

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    Regular Member benny's Avatar
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    i would be doing a comprestion test before removeing the injectors....they have been known to have low comprestion when they get older,....you also talk of white smoke in you post on start up....this is unburnt fuel....either it is getting too much injector dribble ...not common on those injectors or there is a air flow problem ..ie low comprestion..or the air is struggleing to get into the cylinders this is common on these and can be due to a stuck swirl flap or faulty swirl flap actuator.also the inlet manifold can become cloged with soot and cac this can stop a engine from cold starting ...i would be going down these roads before injector removal ,,,,have you checked the throtle body butter fly to see if it isnt sticking shut or the vac pies have been routed the wrong ...
    Last edited by benny; 18th September 2008 at 23:30.

  10. #10
    Regular Member dan9895's Avatar
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    i will get them to check that it goes back in on monday.... thats the second time i have heard that so i think it deffo a good idea.

    the more i can give them to check the better i think hopefully stand more chance of finding out that way thanks benny

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