Envoy 4WD V8-5.3L VIN M (2005)
8. Install the vent hose (2) to the valve rocker arm cover (1).
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.
Tighten the studs to 12 Nm (106 inch lbs.).
