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post #1 of 13 (permalink) Old 04-08-2009, 04:48 PM Thread Starter
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Changing spark plugs

My cobalt is about due for new spark plugs and i was just wondering how accessible they are to get to as I'm considering doing it myself if at all possible. Thanks in advance for the input.
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post #2 of 13 (permalink) Old 04-08-2009, 05:15 PM
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very easy. on my 07 ls, i just had to unscrew the 4 coil packs from the valve cover with a # 2 phillips. then you need a 5/8" spark plug socket with 6" extension. the socket needs to be for spark plugs. has a rubber gasket to hold it while you pull it out/put the new one in. just make sure you dont cross thread them when you put the new ones in, or torque them down to much. you dont even need to gap them. i would use the ac delco, or nkg replacements.
btw i changed mine at 30,000 miles. mainly out of curiosity, and found out there was absolutely no need to change them.
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post #3 of 13 (permalink) Old 04-08-2009, 06:23 PM
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btw i changed mine at 30,000 miles. mainly out of curiosity, and found out there was absolutely no need to change them.
not till near a 100,000 miles

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post #4 of 13 (permalink) Old 04-08-2009, 06:28 PM
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not till near a 100,000 miles
i knew that going into it. just wanted to wrench on my car for cheap.
and like i said-curiosity.
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post #5 of 13 (permalink) Old 06-16-2009, 02:02 PM Thread Starter
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Changed the spark plugs on Sunday, as scagneeti said, very easy, probably the easiest spark plugs Ever changed. Used AC Delcos for both plugs and boots.
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post #6 of 13 (permalink) Old 08-01-2009, 11:54 AM
 
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Originally Posted by scagnetti76 View Post
very easy. on my 07 ls, i just had to unscrew the 4 coil packs from the valve cover with a # 2 phillips. then you need a 5/8" spark plug socket with 6" extension. the socket needs to be for spark plugs. has a rubber gasket to hold it while you pull it out/put the new one in. just make sure you dont cross thread them when you put the new ones in, or torque them down to much. you dont even need to gap them. i would use the ac delco, or nkg replacements.
btw i changed mine at 30,000 miles. mainly out of curiosity, and found out there was absolutely no need to change them.
LOL - I'm doing mine today just for the pure curiosity of it (only 20,000 miles). I did notice that the plugs were ghetto, not the kind that I would even want in the car. You sure there's no need to gap them though? This would be the first car I've ever owned that I dont need to gap the plugs...
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post #7 of 13 (permalink) Old 08-01-2009, 12:27 PM
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I just got my NGK's finally, my car needed 1 step colder plugs. Now I just gotta get the ambition to do it.

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post #8 of 13 (permalink) Old 08-01-2009, 12:30 PM
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not till near a 100,000 miles
yeah, especially on these modern engines there is no need to change the plugs until 100k unless you want to upgrade to e3 plugs which have been proven to make more power, get better milage, and of course better emissions
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post #9 of 13 (permalink) Old 08-01-2009, 04:51 PM
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^^ got a link for a good price?

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post #10 of 13 (permalink) Old 08-01-2009, 05:06 PM
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^^ got a link for a good price?
i can look for one, but i think that they will probably be the same at all the major auto parts stores
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