03 Spark Plug Change Guide with pics
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Cadillac CTS First Generation Forum - 2003 - 2007 Discussion, 03 Spark Plug Change Guide with pics in Cadillac CTS Coupe, Sport Sedan and Sport Wagon Forums; There are many threads with words but I though some pics might help the not so skilled mechanics in our ...
  1. #1
    04deveni's Avatar
    04deveni is offline Cadillac Owners Fanatic
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    03 Spark Plug Change Guide with pics

    There are many threads with words but I though some pics might help the not so skilled mechanics in our ranks.

    The steps are simple.

    Do the drivers side first so you can see whats what. Very easy, just unscrew the bolts that hold the steering fluid box and you're there after moving it out of the way.

    The way we did passenger side is slightly different/easier than what is posted on the forum. The most difficult part is to take off the bracket that is on that side and that is because it has two screws on the bottom which are virtually unaccessible. We only took off one of these screws (the one that holds the bracket to the engine, and loosened the other after which we were able to pull it away from the engine just enough to get to the coil pack. Its easy pickings from there.

    Check out the pics and PM me if you need any further help. Best of luck.

    http://i306.photobucket.com/albums/n...Plug%20Change/

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  3. #2
    kissdaring's Avatar
    kissdaring is offline Cadillac Owners Member
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    Re: 03 Spark Plug Change Guide with pics

    i like the pic's and how they turned out i really hope all of those help you guys out and as the man himself said mgs him if you guys need further help but im sure you guys will be fine just remember the passanger side there are 4 bolts you are in clear view and two are clearly NOT the one that need to be remover thats under is righr below the pump that is straight down from the frist closest one to the windshield...

    good luck guys
    let us know how it goes
    fcarr1958 and fcarr1958 like this.

  4. #3
    ghettomike's Avatar
    ghettomike is offline Cadillac Owners Master
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    Re: 03 Spark Plug Change Guide with pics

    180km...wow...how is she running? ill probably hit 180 in bout a year lol i drive 2 much...(currently at 112 just bought it 3 weeks ago)

    good write up and pics of the spark plug change thanks...gonna need that in a couple weeks when i get some time to do it.

  5. #4
    CaddiLackin's Avatar
    CaddiLackin is offline Cadillac Owners Enthusiast
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    Re: 03 Spark Plug Change Guide with pics

    Stop "slapping" stuff into your car. And what the hell are you drinking? lol

  6. #5
    tommy compton's Avatar
    tommy compton is offline Cadillac Owners Connoisseur
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    Re: 03 Spark Plug Change Guide with pics

    I'm gonna chime in here, for all you peeps slapping in iridium spark plugs. I beleive I was mislead by the spark plug manufactures as far as gapping your plugs (ody got me thinking) their websites have gap recommendations on there, upon reading more into it, it seems they just generalize for the specific plug you are buying and whatever engines they cover. The gaps they have listed are much narrower than what your owners manual will say. They state that because of the iridium it will compensate for a smaller gap, but I started thinking that I would want the biggest gap possible.
    When I first intalled the plugs I checked all my iridium spark plug gaps, none where preset to what the spark plug manufacturer suggested, so I gapped them to their specifications.
    Well after about a month of use and all of the discussions as of late, I decided to pull my plugs. There was some carbon build up around the base of the plug. When I pulled my stock bosh plugs they were a nice golden brown. I drive my car at wot atleast almost every day, so there shouldn't be any carbon on my relatively new plugs.
    There wasn't anything noticably wrong with the way my car was running on the spark plugs manufacturers gap, but obviously with carbon building up, it wouldn't be long before they fouled.
    So I regapped them to the owners manual, and now I feel better about my plug change.
    I think i do now notice the slight change in aggresive sound at wot, and it definitely revs up smoother.
    I also apologise to anybody I pointed to the spark plug manufacturers website for reference.
    Also, good pics for those with a 3.2l engine.

  7. #6
    CaddiLackin's Avatar
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    Re: 03 Spark Plug Change Guide with pics

    Its okay...We still love ya Tommy

  8. #7
    kfx's Avatar
    kfx
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    Re: 03 Spark Plug Change Guide with pics

    thnx 04devini & kissdaring, those pics are a big help, think i'm gonna install my denso's this wknd if i have time. tommy & ody, thnx too for your observations on the gap, think i will (carefully) gap mine to the helm recommended .053-.054.

  9. #8
    makkamoo is offline Cadillac Owners Member
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    Re: 03 Spark Plug Change Guide with pics

    I am new here and I found this thread with the pics to change the spark plugs, however, the link appears to be broken or not working. I've tried many tricks, but can not view the pics. Would you be able to re-post them? I want to change my plugs.

  10. #9
    ghettomike's Avatar
    ghettomike is offline Cadillac Owners Master
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    Re: 03 Spark Plug Change Guide with pics

    link works perfect for me........maybe you have some settings messed up on your computer.

  11. #10
    54inches's Avatar
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    Re: 03 Spark Plug Change Guide with pics

    Thank you and subscribe.

  12. #11
    LastOneLeft is offline Cadillac Owners Fanatic
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    Re: 03 Spark Plug Change Guide with pics

    btw at what mileage do you change your spark plugs? I'm currently at 113,800 right now

  13. #12
    Spyke's Avatar
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    Re: 03 Spark Plug Change Guide with pics

    For my part, I'm at 141 000 km and the car runs very fine. I'm going to wait til 160 000km before doing it. And if its during the winter that I hit 160k km, I'll wait til spring!

    I think when they say change it at 160 000km can be very trustable. I never chnaged one in my buick and grand prix at 150 000 km and never had any problem with the plugs!

  14. #13
    Cadillacfilter1's Avatar
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    Re: 03 Spark Plug Change Guide with pics


    I am at 189,300 kms and I still havent changed my spark plugs yet. What are the symptoms of spark plugs going bad?

  15. #14
    Cadillacfilter1's Avatar
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    Re: 03 Spark Plug Change Guide with pics

    Just I just called the dealer this morning. They quoted me $403.00 + tax to change 6 spark plugs. This price doesnt include parts. I advised him Ihave the spark plugs. Does that sound normal to you guys?

  16. #15
    makkamoo is offline Cadillac Owners Member
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    Re: 03 Spark Plug Change Guide with pics

    I tried another computer and I did get the link to work. The pics are great and look like they will be very helpful. Thank you.

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