Spark plugs

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tna0066

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I gave an 06 with a 5.3 vortec, how hard are the plugs to change DIY??
 

Big Buttons

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Pretty freaking easy except for cyl 8(passenger side rear). Might be cussing a little...
 

ezdaar

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Very simple.
Cpl tips.
Rotate the sparkplug wire boot by hand back and forth alil bit to break it free from sparkplug. Dont twist it more than a 1/4 turn each direction or you risk breaking the clip off inside the boot.
DONOT PULL ON THE WIRE! No matter how badly you may want to.

When you get to the passenger side rear. Use a file or fine grit sand paper to smooth the edges of the AC drip pan. Its razor sharp and will cut you badly. Smooth it very well.

Use a swivel to remove that rear plug.

When installing the new plugs, there will be zero resistance! If you feel any, STOP! As you are cross threading it.
You will be able to thread the new plugs in all the way by hand, should be able to remove old plugs just as easy.
Just snug them up, don't turn green and hulk tighten them. You will know based on how much effort was used in removing them.

Other than those minor tips. Its a very simple procedure.
GL.
 
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