Intake Manifold Removal 2006 STS Coils Plugs
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Cadillac STS Forum - 2005 through 2012 Discussion, Intake Manifold Removal 2006 STS Coils Plugs in Past Cadillac Vehicle Discussion; For the STS, there are some threads and some YouTube videos out there that show removal or partial removal of ...
  1. #1
    artmanr is offline Cadillac Owners Member
    Automobile(s): 2006 STS V6
    Join Date
    Aug 2016
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    Intake Manifold Removal 2006 STS Coils Plugs

    For the STS, there are some threads and some YouTube videos out there that show removal or partial removal of the Intake Manifold to replace plugs and coils. However it is not clear that the IM has to come completely off. One guy says he was able to loosen it and slide it out of the way to access the plugs and coils.

    2006 has a larger IM than other years. So it has to either come completely off or at least be moved. I need access to cylinder 2. Other years have more room than a 2006. Odd.

    Do I have to to remove the entire IM? If not, what is the procedure for partially removing?

    What about the IM gasket? Does it have to be replaced if the whole IM has to come out?

    Any help greatly appreciated.


    Art R

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  3. #2
    curtc's Avatar
    curtc is offline Cadillac Owners Master
    Automobile(s): 2006 STS V8 1SF RWD
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    Re: Intake Manifold Removal 2006 STS Coils Plugs

    For the sake of simplicity I'd take off the whole thing just to get it out of my way. I would also recommend replacing the gasket as well when you put it back on.

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