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Access to spark plugs Tblazer 03 V6


sanacm
08-08-2009, 09:39 PM
I want to replace the spark plugs on my 03 Trailblazer. I have the 4.2L 6-cylinder engine with 65K miles. What do I have to remove to access them?

Jethro
08-08-2009, 09:53 PM
you wont find a v6 in any trailblazer built after 2001

sanacm
08-08-2009, 10:51 PM
you wont find a v6 in any trailblazer built after 2001

You are correct. It is the L6 4.2L engine.

GMMerlin
08-09-2009, 05:55 AM
Remove the coil and then remove the plug..pretty straightforward operation

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