Impala V6-3.9L (2007)
16. Loosen the valve rocker arm cover bolts.
Important: When removing the valve rocker arm cover, ensure the gasket stays in place attached to the cylinder head.
17. Remove the valve rocker arm cover. If necessary, bump the end of the cover with the palm of your hand or a soft rubber mallet if the cover adheres
to the cylinder head.
18. Cut the RTV in the channel where the intake, cylinder head and valve rocker arm cover meet with a suitable tool.
19. Remove the valve cover gasket.
20. Clean the sealing surface on the cylinder head with degreaser.
Installation Procedure
Important: All gasket mating surfaces need to be free of oil and foreign material. Use cleaner to clean the surfaces. Refer to Sealers, Adhesives,
and Lubricants for the 3.9L engine.
1. Install a NEW valve rocker arm cover gasket into the groove in the valve rocker arm cover. Ensure that the gasket is properly seated in the groove
of the valve rocker arm cover.
2. Apply sealant at the cylinder head to the surfaces where the cylinder head and intake manifold meet (1). Refer to Sealers, Adhesives, and
Lubricants for the 3.9L engine.
