Take plastic covers of each side to expose coil packs
Loosen but don't remove rear drivers side bolt and front passenger side bolt from top of plenum chamber.
Remove remaining plenum chamber bolts (this way you don't have to replace gaskets.
You'll have to chock up plenum chamber to get to two of coil packs that have to be removed to expose plugs
Remove single bolt and carefully pull out coil assembly
Remove spark plug using an extension tool as they're buried quite deep
Holden VZ Commodore was created in 2004.
I don't even know. LOL
How to remove Window Winder Handles from VZ Holden Commodore
Ngk dpr8ea-9
On top of the fuel tank most probably need mechanic to replace for you.
www.factoryautomanuals.com
At the rear of the engine, above the bell housing.
one word crowbar
Next to the base off indicator stalk
i dont know much about the vx commodore, but in my Vz commodore i like to put them in my center console and my coke in the cup holder DANNY!!!!!!!!
http://forums.justcommodores.com.au/holden-commodore-how-s/5541-removing-vt-vx-door-trim.html
Buy the correct replacement plugs. Remove existing plugs using the appropriate tool. Insert replacements using the appropriate tool to the correct torque loading. If you need to ask how to do such a basic piece of maintenance then you should take the vehicle to a mechanic.