Envoy 4WD V8-5.3L (2007)
11. Remove the gasket (1) from the rocker cover.
12. Discard the OLD gasket.
Installation Procedure
Important:
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All gasket surfaces should be free of oil and/or other foreign material during assembly.
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DO NOT reuse the valve rocker arm cover gasket.
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The valve rocker arm cover bolt grommets may be reused.
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If the PCV valve grommet has been removed from the rocker cover, install a NEW grommet during assembly.
Install a NEW rocker cover gasket (1) into the groove of the valve rocker arm cover.