LS V8-3.9L VIN A (2003)
Item 6: Spark Plug Installation Note
1. Inspect the spark plugs and adjust the spark plug gap as necessary.
Item 5: Ignition Coil Installation Note
1. Apply silicone dielectric compound to the inside of the ignition coil boots before installing.
Item 2: Ignition Coil Cover Installation Note
1. NOTE: Remove all dirt and moisture from the valve cover before applying silicone sealer.
Lift up the wire harness and apply a 12.7 mm (0.5 in) bead of silicone sealer in the notch of the valve cover.
2. Set the ignition coil harness in the bead of silicone sealer and apply enough additional sealer to surround the wire harness and notch.
