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2006 chevy trailblazer_lt
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Discussion Starter #1
Hi all. Have a 2006 Trailblazer 4.2I6 and I'm trying to change out the spark plugs. I've gotten the coil caps off and am now trying to remove the spark plugs using a 5/8" spark plug socket with 5 "extender but cant get the spark plug to loosen at all. I don't want to over exert it and mess anything up.

Anyone have any ideas? Shouldn't be this hard to get the plug out of the well.

Thanks!
 
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