For 1990-2009 cars

Note:

• | All gasket surfaces should be free of oil or other foreign material during assembly.

• | DO NOT use the valve rocker arm cover gasket again.

1. Install NEW valve rocker arm cover grommets and use NEW valve rocker arm cover bolts if they are serviced with the grommet.
2. Install a NEW gasket (504) into the valve rocker arm cover.
3. Install the valve rocker arm cover onto the cylinder head.

Caution: Refer to Fastener Caution in the Preface section.

4. Install the cover bolts with grommets and tighten to 12 N·m (106 lb in).
5. Apply threadlock GM P/N 12345382 (Canadian P/N 10953489), or equivalent, to the threads of the ignition coil bolts (723).
6. Install the ignition coils (722), wire harness (721), and bolts (723) to the bracket (719). Tighten the ignition coil bolts to 10 N·m (89 lb in).
7. Apply threadlock GM P/N 12345382 (Canadian P/N 10953489), or equivalent, to the threads of the ignition coil bracket studs (720).
8. Install the ignition coil and bracket assembly (719) and studs (720). Tighten the bracket studs to 12 N·m (106 lb in).