Replacing the spark plugs in a Trailblazer I6 4.2L engine Video
Spark plugs replacement in a 2003 Trailblazer with the I6 engine. Replaced with A/C Delco Iridiums 41-103.
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: http://forums.trailvoy.com/showthread.php?t=61840
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.:)
CSXJoe: lol at the end!
MAY03LT: haha you should see some of the things that had to be edited out lol
NRP1991: hey man wow all i can say is this video derserves like, ALOT more than its gotten! i got an 03 and yeah i couldnt even begin to tell ya where the plugs were THANK YOU THANK YOU super well done video
MAY03LT: Thanks for the feedback!
chalupa168: Great video! Do you know if the spark plugs on a 2003 TrailBlazer V8/5.3L are located in the same place? Thanks!
Author: MAY03LT; Uploaded: Nov 9, 2009; Duration: 9:56; Views: 354
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