Removal (3.4L & 3.8L)
WARNING: This page is about a different car, the 2002 Pontiac Grand Prix, 2002 Chevrolet Monte Carlo, 2002 Chevrolet Impala, 2002 Buick Regal, and 2002 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
Turn OFF the ignition. Note position of the spark plug wires before removing the wires. Twist the spark plug boot 1/2 turn before removing the boot. Remove the spark plug wires from the spark plugs. Remove the spark plugs from the engine.