Sierra 1500 2WD V8-5.3L Hybrid (2004)
12. Remove and discard the old gasket (1).
13. If required, clean and inspect the rocker arm cover.
Installation Procedure
Important:
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All gasket surfaces should be free of oil an/or other foreign material during assembly.
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DO NOT reuse the valve rocker arm cover gasket.
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If the PCV valve grommet has been removed from the rocker cover, install a NEW grommet during assembly.
1. Install a NEW rocker cover gasket (1).
2. Install the valve rocker arm cover.
Notice: Refer to Fastener Notice in Service Precautions.
3. Tighten the rocker arm cover bolts.
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Tighten the bolts to 12 Nm (106 inch lbs.).
