Silverado 1500 4WD V8-6.0L Hybrid (2009)
17. Loosen the valve rocker arm cover bolts.
18. Remove the valve rocker arm cover.
19. Remove and discard the old gasket (1).
20. Remove the oil fill cap (424) from the oil fill tube (423), if necessary.
21. Remove and discard the oil fill tube, if necessary.
Installation Procedure
