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#2661147 - 06/21/12 06:31 PM Spark plug change, 2.2 Ecotec
faramir9 Offline


Registered: 06/01/12
Posts: 282
Loc: PA
About to hit 100k miles and time to change the spark plugs on my '04 Chevy Classic, with the 2.2 Ecotec.

Would like to do this myself to save money, but from what I've read online the plugs are placed very deep in the engine, to the point you need needle-nose pliers to get at the first one.

Anyone have experience changing plugs on an Ecotec? Can a wannabe shade-tree mechanic do this without mayhem?

Thanks.
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#2661154 - 06/21/12 06:38 PM Re: Spark plug change, 2.2 Ecotec [Re: faramir9]
wolf_06 Offline


Registered: 06/11/12
Posts: 411
Loc: Atlantic, Canada
I change spark plugs on a cobalt 2.2, its not that deep, my hyundai accent is even deeper than the cobalt. Just dont unplug any wires, just the spark plug boot covers only, dont overtorque anything, shoulb be fine.
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#2661180 - 06/21/12 07:01 PM Re: Spark plug change, 2.2 Ecotec [Re: faramir9]
artificialist Offline


Registered: 09/23/07
Posts: 6572
Loc: Florida
A spark plug socket with the rubber part in good shape is all you need. No need for pliers.
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#2661191 - 06/21/12 07:14 PM Re: Spark plug change, 2.2 Ecotec [Re: faramir9]
brianl703 Offline


Registered: 05/07/04
Posts: 10487
Loc: Manassas, VA
There are deep well sparkplug sockets. I have one I bought at Pep Boys years ago. It's about 6" long.

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#2661192 - 06/21/12 07:14 PM Re: Spark plug change, 2.2 Ecotec [Re: faramir9]
pbm Offline


Registered: 04/19/04
Posts: 5135
Loc: New York
It's not difficult at all.
I had a CEL which was cured with new plugs..... one had a greater than spec'd gap.
PS: Use the OE ACDelco plugs and make sure they are gapped right. My 2005 owners manual gap had been revised from 45" to 42".

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#2661194 - 06/21/12 07:15 PM Re: Spark plug change, 2.2 Ecotec [Re: brianl703]
artificialist Offline


Registered: 09/23/07
Posts: 6572
Loc: Florida
Originally Posted By: brianl703
There are deep well sparkplug sockets. I have one I bought at Pep Boys years ago. It's about 6" long.

Yeah, I just use an extension.
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#2661198 - 06/21/12 07:18 PM Re: Spark plug change, 2.2 Ecotec [Re: faramir9]
brianl703 Offline


Registered: 05/07/04
Posts: 10487
Loc: Manassas, VA
I believe it's Performance Tool W38162 -- Amazon has it, as does Wal-Mart (maybe only online though)

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#2661313 - 06/21/12 08:54 PM Re: Spark plug change, 2.2 Ecotec [Re: faramir9]
DemoFly Offline


Registered: 06/03/12
Posts: 586
Loc: Seattle
Changing the spark plugs on my dad's ecotec 2.2L was easy as pie.



The black plastic piece that is on the valvecover holds the coils and spark plug boots. By pulling this plastic piece up you remove the boots from all plugs at once. The silver finned thing on the valvecover is a resistor pack, you might have to unplug it or remove it, depends on how your power steering and AC lines are routed.


Edited by DemoFly (06/21/12 08:55 PM)
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#2661316 - 06/21/12 08:55 PM Re: Spark plug change, 2.2 Ecotec [Re: faramir9]
71Chevyguy Offline


Registered: 07/10/11
Posts: 377
Loc: Martinsburg West Virginia
I just did this on my Saturn and it is real easy. Regular spark plug socket on a long extension is all it takes. Stick to the original spark plugs, I actually used Denso plugs in mine about 15k ago and it ran fine but I lost almost 5 mpg. Nothing wrong with those plugs but maybe they were not the correct heat range. I decided to get a new set of the OEM plugs and the fuel economy is back. Never had this issue before in any car but in this one it seems that it made a difference. Just a heads up so you do not regret getting different plugs for yours. As always check gap to make sure it is correct before installing them. If you get the original Iridium plugs for it then you will be good for another 100K.
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#2661320 - 06/21/12 09:01 PM Re: Spark plug change, 2.2 Ecotec [Re: faramir9]
DemoFly Offline


Registered: 06/03/12
Posts: 586
Loc: Seattle
Oh yeah, you're also definitely going to want to use anti-seize on the threads and dielectric grease on the boots. If you don't have them don't change the plugs until you do.
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1996 Grand Cherokee Limited|5.2L|44RE|NP249|Dana30&44 3.73s
\/ Synpower 5w30

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#2661348 - 06/21/12 09:25 PM Re: Spark plug change, 2.2 Ecotec [Re: faramir9]
Dakota1820 Offline
formerly chevyboy14


Registered: 04/28/11
Posts: 3894
Loc: missouri usa
i use my little magnet wand thing it was like 2 bucks. so if by chance the socket doesn't grab the plug i stick the magnet in and itll get super easy job it will take less than 30 mins don't tighten them much. just snug and use anti seize.
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2004 Honda civic vp -m1 5w30
1998 Saturn sl2 -mobil super 5000 5w30


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#2661401 - 06/21/12 10:24 PM Re: Spark plug change, 2.2 Ecotec [Re: Dakota1820]
faramir9 Offline


Registered: 06/01/12
Posts: 282
Loc: PA
Thanks for all the advice. This should be fun.
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2000 Saturn SL1, 1.9 SOHC
QSAD 5w-30, Promotive PH241 filter
Hankook Optimo H727 185/65/14

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#2661434 - 06/21/12 10:55 PM Re: Spark plug change, 2.2 Ecotec [Re: faramir9]
JustinH Offline


Registered: 04/17/04
Posts: 3150
Loc: Texas
Very simple job on that engine. I used NGK plugs in mine, about 2 bucks each.
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'08 Toyota Matrix

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