Envoy 4WD V8-5.3L VIN P (2004)
4. Install a NEW rocker cover gasket (1) into the valve rocker arm cover.
5. Install the valve rocker arm cover onto the cylinder head.
6. Install new rocker arm cover grommets, if necessary.
NOTICE:
Refer to Fastener Notice in Service Precautions.
7. Install the rocker arm cover bolts and grommets.
Tighten the bolts to 12 Nm (106 inch lbs.).
8. Install the vent hose to the throttle body and valve rocker arm cover.
9. Apply threadlock GM P/N 12345382 (Canadian P/N 10953489) or equivalent to the threads of the bracket bolts.
10. If necessary, install the ignition coils and bracket to the rocker arm cover.
11. If necessary, install the ignition coil bracket studs to the rocker cover.