2007 diy spark plugs and vmax iceolater
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Cadillac CTS First Generation Forum - 2003 - 2007 Discussion, 2007 diy spark plugs and vmax iceolater in Cadillac CTS Coupe, Sport Sedan and Sport Wagon Forums; Here are the tools you will need. Impact gun/ drill (for removing only). 13MM socket, ratchet and a couple of ...
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    SHORTSTACK's Avatar
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    2007 diy spark plugs and vmax iceolater

    Here are the tools you will need. Impact gun/ drill (for removing only). 13MM socket, ratchet and a couple of extensions. 10MM ratcheting wrench (or equivalent). Polymere pry bar and small flat head screw driver.Fire extinguisher, (cause you never know). Beer. Gun, (in case all else fails). Infrared thermometer is optional.

    All the arrows on this side point to everything that needs to be removed. Along with the other side, arrows mark what needs to be roved here as well. I used a polymere pry bar to pry off the vent tubes o the side of the IM. There is a hose connected to the IM on the right hand side, (arrows are pointing at it), just pull that out.



    This little devil right here..... ugh. To remove this, the tab with the arrow is on the bottom of the way its connected to the IM. Feel around and you will be able to push/pull it from the side and it will release its death grip. Along with these 2 connectors, make sure you remove them before you try to remove the IM.


    You will need to remove the air intake tube. (shown here with volant cai). Remove the electrical connector for the throttle body.


    The spark plug. Pictured is the coil pack. Pull the connector to the left and it will come loose. Pull the connector out, as arrows indicate and its free. Remove the bolt and pull up on the coil pack. It might be a little tough but it will budge. Same process for all of them. Plugs are to be gaped @ .044.

    The arrow on the far left bottom is pointing at a bracket, it is an 18mm and will need to be removed and left out. It will no longer fit ue to the height difference once the vmax is in.

    I replaced the gaskets and added gaskets on the top side of the vmax. Did i need to? No idea but i did. The gaskets line up into a pin that sticks out on each side. After that, install the vmax spacers with gaskets on top. As you start to put the IM back on, Be gentle and go in at an level angle, iff not you will possibly damage the gasket. Once the IM is sitting on top, inspect for even distribution of the everything underneath the IM. Replace the bolts (m8x180). You will have to get a flashlight and look in the holes to figure out how to wiggle them into place, the added gasket is a bit of a pain in the arse. Do not tighten all the bolts 100%, gently tighten them working around in a circle until they are snug. I do not know the torque specs, you can look it up and i can add it later.



    Now repaet all the steps you just read abut backwards... There you have it, vmax installed. Sit back drink a beer and be happy that you completed the job. Make sure to check all the electrical connections, bolts etc. There should be no bolts left over. Nothing unplugged. You can do the throttle relearn if you want to but it is not necessary. I hope this write up helps you guys, It is my first one.
    Here is the temperature of the IM after a 35-45 minute drive before vmax instillation. The temp after installation and same drive time, was @ 109-112. Thats a huge difference in the IM with the vmaz installed. Im very happy with it. Thank you Tracey.
    I started this @ 9:38pm and ended @ 11:39pm. Actual time to do all the work and not take pictures or get hammered would be, (for me) about 1.20 hours at the most.


    Side note: To remove the rear bolt, you can take the in cabin filter shroud off and undo all the bolts, it will give you enough room to get it out. There is no other way to remove it.
    vms4evr, vms4evr, CTSUK and 3 others like this.

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    SC2150's Avatar
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    Re: 2007 diy spark plugs and vmax iceolater

    Excelent write up.

    Do you mind if we use this for instructions? Better than I could have done.
    SHORTSTACK and SHORTSTACK like this.

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    Re: 2007 diy spark plugs and vmax iceolater

    Quote Originally Posted by SC2150 View Post
    Excelent write up.

    Do you mind if we use this for instructions? Better than I could have done.
    Thank you. You sure can.

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    Re: 2007 diy spark plugs and vmax iceolater

    Sorry bout the crappy pictures. Ill take my time next go around and use my d3100.

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    Re: 2007 diy spark plugs and vmax iceolater

    You, sir, are a gentleman and a scholar. This is exactly what I plan to be doing as all my parts arrive.
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    Re: 2007 diy spark plugs and vmax iceolater

    "12 beers later, *reaches for impact gun* shoots hole in intake, oops!"

    Great guide, photos are more than adequate for the guide

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    Thumbs up Re: 2007 diy spark plugs and vmax iceolater

    Very nice write up!.....and the images are more than adequate.
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    Re: 2007 diy spark plugs and vmax iceolater

    Thanks guys. I was a bit nervous about doing this for the forum but decided yo move forward on it. Hope it helps.

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    Re: 2007 diy spark plugs and vmax iceolater

    Good write up. Now we need some dyno numbers.
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    [2006 CTS-V - "The Vee Baby Seamus"] - 372rwhp / 361rwtq
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    vms4evr is offline Cadillac Owners Member
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    Re: 2007 diy spark plugs and vmax iceolater

    Did you reuse the stock bolts? Those spacers look pretty thick. Are the stock bolts that long that you can still get plenty of turns on the bolts?

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    Re: 2007 diy spark plugs and vmax iceolater

    Quote Originally Posted by vms4evr View Post
    Did you reuse the stock bolts? Those spacers look pretty thick. Are the stock bolts that long that you can still get plenty of turns on the bolts?
    No, the long bolts were replaced with m8x180 bolts. The shorter bolts are 3.3/4, i have 4 extra short bolts that i got from RX. Ill send them to you if you need them.

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    Re: 2007 diy spark plugs and vmax iceolater

    Quote Originally Posted by odthetruth View Post
    Good write up. Now we need some dyno numbers.
    Thank you. Hoping to get a dyno run next month.

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    Re: 2007 diy spark plugs and vmax iceolater

    Did you ever have a pre-mod dyno run?

    [2006 CTS-V - "The Vee Baby Seamus"] - 372rwhp / 361rwtq
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    Re: 2007 diy spark plugs and vmax iceolater

    Quote Originally Posted by odthetruth View Post
    Did you ever have a pre-mod dyno run?
    nNo. So i guess it would be pointless for me to do one now since i dont have a base number. But then again it wont hurt either. I can always take everything off (its very easy to do) and put all oem shyt back on, then dyno it for a base # and go from there.

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    454Casull is offline Cadillac Owners Fanatic
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    Re: 2007 diy spark plugs and vmax iceolater

    Anyone know who the OEM is for the AC Delco factory plugs? I have a set and I'm hoping it's not Bosch.

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