TrailBlazer 4WD V8-6.0L (2007)
7. If necessary, remove the ignition coil bracket studs from the rocker arm cover.
8. If necessary, remove the ignition coils and bracket from the rocker arm cover.
9. Remove the positive crankcase ventilation (PCV) hose from the rocker arm cover.
10. Remove the valve rocker arm cover bolts.
11. Remove the valve rocker arm cover.