Spark Plug: Removal
WARNING: This page is about a different car, the 2003 GMC Safari and 2003 Chevrolet Astro. However, it is still accessible from the selected car via links, so may be relevant.
Remove the spark plug wires. Loosen each spark plug 1 or 2 turns. Brush or air blast away any dirt from around the spark plugs. Remove the spark plugs 1 at a time. Place each plug in a tray marked with the corresponding cylinder numbers.