Silverado 1500 2WD V6-4.3L VIN X (2004)
7. Using a grease pencil, mark the position of the rotor in relation to the distributor housing (1).
8. Also, mark the distributor housing and the intake manifold.
9. Remove the distributor hold down bolt.
10. Remove the distributor.
11. As the distributor is being removed, watch the rotor move in a counterclockwise direction about 42 degrees.