Avalanche 2500 2WD V8-8.1L VIN G (2002)
or the wire could be damaged.
7. Remove the spark plug wires from the spark plugs and ignition coils.
8. Remove the valve rocker arm cover bolts.
9. Remove the valve rocker arm cover.
Important: Valve rocker arm cover gaskets are reusable. Replace the gasket only if damaged.
10. Inspect the valve rocker arm cover gasket for cuts or damage.
11. Clean and inspect the valve rocker arm cover.
Installation Procedure
1. Install a NEW valve rocker arm cover gasket if the gasket was removed from the valve rocker arm cover.
2. Install the valve rocker arm cover.
3. Install the valve rocker arm cover bolts.
Notice: Refer to Fastener Notice in Service Precautions.
