On top of the fuel tank most probably need mechanic to replace for you.
under the car at the back near the fuel tank
I don't even know. LOL
Holden VZ Commodore was created in 2004.
How to remove Window Winder Handles from VZ Holden Commodore
Piercing the fuel filter with a screw driver relieves the pressure allowing you to remove the filter without braking the clips.
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
where is the bleeder valve for the cooling system for a vz v8 6.0 litre l76 engine just put a new raditor in