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Maintenance and Upkeep Discussion HHR maintenance tips ranging from oil change intervals to brake pads and everything in between.

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Old 08-08-2011, 09:54 AM   #1
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Smile Spark plug gap

Heah everyone, just curious if anyone knows the gap for an 06 2.4 liter? Can't find it in my manual. Thanks in advance for any help.
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Old 08-08-2011, 09:56 AM   #2
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The gap should be 0.042 inch (1.06 mm). If you're using the AC Delco Iridium plugs, you'll find they come from the factory at the correct setting, but double checking never hurts.
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Old 08-08-2011, 10:21 AM   #3
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damn thats wide lol... stock mine runs .35 and colder ones .32
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Old 08-08-2011, 10:23 AM   #4
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I believe you'll find the gap is tighter on the 2.0 engine, got the figure straight from the service manual that I have for the '06.
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Old 08-08-2011, 10:39 AM   #5
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Page 5-87 in the manual :)

First reply was right on the money.
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Old 08-08-2011, 10:52 AM   #6
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Quote:
Originally Posted by 843de View Post
I believe you'll find the gap is tighter on the 2.0 engine, got the figure straight from the service manual that I have for the '06.
well yeah for sure i was just comparing
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Old 08-09-2011, 09:17 AM   #7
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Thanks everyone. I ordered the AC Delco iridiums from rockauto.com, and wanted to verify before I put them in. Will post pics of what the old plugs look like when I get them out in the next couple days.
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Old 08-09-2011, 05:49 PM   #8
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Is the ac delco iridiums what come stock in these cars?
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Old 08-09-2011, 05:51 PM   #9
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Yes....
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Old 08-09-2011, 09:31 PM   #10
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I am running Autolite Double Platinum because my auto parts store was out of the iridium. I can tell no difference in performance or MPG. I was informed that the expensive iridium plugs are not different than the platinum, but they are rated for 100000 miles, as compared to the platinum with is much less. I have always changed mine every 40 - 50 thousand miles anyway.
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Old 08-09-2011, 09:31 PM
 
 
 
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