How to: Replacing spark plugs in an I6 - Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum



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  #1  
Old 11-08-2009, 10:39 PM
MAY03LT's Avatar
MAY03LT MAY03LT is offline
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2003 Chevrolet TrailBlazer LT
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How to: Replacing spark plugs in an I6

Video Error

Tools used:
Flathead screwdriver
Mini pick
Pliers (ok I used wire strippers but needle nose pliers or dykes should be used)
1/4" ratchet, extension, 10mm socket
Swivel spark plug socket, locking extension, extension
Big 3/8" ratchet, stubby 3/8" ratchet

Procedure: A more detailed step by step can be found here.
Remove intake box
Reposition wire harness
Remove coils
Remove plugs
Coat tips of plug threads and coil bolt threads with anti seize
Install plugs
Install coils
Reposition wire harness
Install intake box

Note: the wire harness cover does not have to be removed, I removed it to show a good view of the clips.

Note 2: I didn't show the small vac line get disconnected prior to removing the intake box. It does have to come off.
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  #2  
Old 11-09-2009, 08:46 PM
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mikespine mikespine is offline
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2003 Chevy TrailBlazer LTZ
Graphite Metallic 4.2L I6 4X4
Join Date: Mar 2009
Location: Holly Springs, NC
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Thanks for taking the time to make the video. (Probably because of my computer..it was a "choppy" download.) Good work-Mike
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  #3  
Old 11-09-2009, 08:50 PM
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MAY03LT MAY03LT is offline
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Did you try to watch it in HQ?

Thanks for the feedback!
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  #4  
Old 11-09-2009, 08:58 PM
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ShawnAndrewMAC ShawnAndrewMAC is offline
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2007 Chevy TrailBlazer LS
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Great vid!
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  #5  
Old 11-09-2009, 09:15 PM
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MAY03LT MAY03LT is offline
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Quote:
Originally Posted by ShawnAndrewMAC View Post
Great vid!
Thanks man!
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  #6  
Old 11-09-2009, 10:00 PM
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ruvalcaba ruvalcaba is offline
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2003 GMC Envoy SLE
Black 4.2L I6 2WD
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great video and is very easy to understand
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  #7  
Old 11-10-2009, 09:43 PM
Mike616 Mike616 is offline
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2005 Chevy TrailBlazer LT
Onyx Black 4.2L I6 4X4
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Thumbs up

Great video! Thanks for taking the time!
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  #8  
Old 11-10-2009, 09:54 PM
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Foosh Foosh is offline
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2004 Chevy TrailBlazer LT
Summit White 4.2L I6 4X4
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Great Video, One of the best that i've seen!
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  #9  
Old 11-10-2009, 10:20 PM
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MAY03LT MAY03LT is offline
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2003 Chevrolet TrailBlazer LT
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Thanks for the feedback!
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  #10  
Old 11-10-2009, 10:40 PM
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lynch55 lynch55 is offline
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2005 Chevy TrailBlazer LS
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Hell Yea! Nice little un-boring vid! Only things I did different was I didn't move the plastic wire cover(just pried it back) and used air! Oh, and my assistant didn't sound neeeear as sexy as yours! Cool deal friend!
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a/c delco 41-103, coil replacement, how do i shoot plugs?, plug swap fever, spark plug replacement

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