Sierra 1500 2WD V6-4.3L VIN X (2004)
4. In order to remove the air cleaner outlet duct, pivot the duct upward until the hinge clip releases from the lip on the throttle body.
5. Remove the heater outlet hose from the clip.
6. Move and secure the heater hoses out of the way.
7. Disconnect the following electrical connectors:
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The ignition coil (1)
^
The ignition coil drive (2)
^
The generator (3)
8. Disconnect the engine wiring harness clips.
9. Reposition the engine wiring harness.
10. Remove the rocker arm cover bolts.
11. Remove and discard the rocker arm cover bolt grommets, if necessary.
12. Remove the rocker arm cover.
