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Thread: 2002 Northstar WOT, performance brakes, CORSA ?

  1. #16
    Submariner409's Avatar
    Submariner409 is offline If it won't run, chrome it
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    Re: 2002 Northstar WOT, performance brakes, CORSA ?

    As posted in these forums many, many times - AC Delco Double Platinum #41-987. The exact same plug as the original DENSO plugs that came in your car. Read the plug box: "Made in Japan". DENSO makes plugs and some sensors for GM.

    Did you read the thread, close to this one, "NGK spark plugs ?".

    If you have never changed the plugs in your car, I advise experienced help.


  2. #17
    willmccown is offline Cadillac Owners Member
    Automobile(s): 2002 SLS
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    Only plugs Iv changed are on a 71 Monte Carlo it ant much difrent is it it ?
    Yea I probly should read thru all those threads but it's lots of readin when I got time I will

  3. #18
    MoistCabbage's Avatar
    MoistCabbage is offline Cadillac Owners 10000+ Posts
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    Once you get to the plugs, no, no different at all. But first, you have to remove the coil cassettes (and the A.I.R. pump check valve over the rear cassette).

  4. #19
    Submariner409's Avatar
    Submariner409 is offline If it won't run, chrome it
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    Re: 2002 Northstar WOT, performance brakes, CORSA ?

    Quote Originally Posted by willmccown View Post
    Only plugs Iv changed are on a 71 Monte Carlo it ant much difrent is it it ?
    Yea I probly should read thru all those threads but it's lots of readin when I got time I will
    It's a LOT different - you need to study the forums advised - this plug change is nothing like you've done before. For starters: No spark plug wires.

    Look real hard at Post 16 and go from there. Each of those coil cassettes are held on by eight 10mm bolts and a multi-pin electrical connector. Removing the right (rear) AIR valve and the pipe at the exhaust manifold is a busted knuckle exercise by itself.

  5. #20
    willmccown is offline Cadillac Owners Member
    Automobile(s): 2002 SLS
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    Hmm yea il get my dad to help me then

  6. #21
    Submariner409's Avatar
    Submariner409 is offline If it won't run, chrome it
    Automobile(s): 2002.5 F55 STS - 67,500 miles, 2014 Explorer XLT FWD
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    Re: 2002 Northstar WOT, performance brakes, CORSA ?

    Your post asking about a knocking noise in the left rear of the car has been moved to Seville/Eldorado.

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