TrailBlazer 4WD V8-6.0L (2007)
11. Remove the valve rocker arm cover bolts.
12. Remove the valve rocker arm cover.
13. Remove the gasket (1) from the rocker cover.
14. Discard the OLD gasket.
15. Remove the oil fill cap from the oil fill tube.
16. Remove the oil fill tube from the rocker cover, if required.
17. Discard the oil fill tube.
