Avalanche 2500 4WD V8-8.1L VIN G (2003)
5. Loosen the valve rocker arm cover bolts.
6. Remove the valve rocker arm cover.
Important: Valve rocker arm cover gaskets are reusable. Replace the gasket only if damaged.
7. Inspect the valve rocker arm cover gasket for cuts or damage.
8. Clean and inspect the valve rocker arm cover.
Installation Procedure
1. Install a NEW valve rocker arm cover gasket if necessary.
2. Install the valve rocker arm cover.
Notice:
Refer to Fastener Notice in Service Precautions.
See: Service Precautions/Vehicle Damage Warnings/Fastener Notice