Valve Rocker Arm Cover Replacement - Left

Valve Rocker Arm Cover Replacement - Left
Removal Procedure





1. Remove the engine sight shield, if required.
2. Remove the connector position assurance (CPA) lock.
3. Disconnect the main electrical connector (2) to the ignition coil wire harness.
4. Remove the harness clips (1).
5. Reposition the engine harness, if necessary.
6. Remove the spark plug wires from the ignition coils.
^ Twist each plug wire 1/2 turn.
^ Pull only on the boot in order to remove the wire from the ignition coil.





7. Remove the ignition coil bracket studs.
8. Remove the ignition coil bracket.





9. Remove the positive crankcase ventilation (PCV) hose.





10. Loosen the valve rocker arm cover bolts.
11. Remove the valve rocker arm cover.





12. Remove and discard the old gasket (1).
13. If required, clean and inspect the rocker arm cover. Refer to Valve Rocker Arm Cover Cleaning and Inspection.

Installation Procedure

Important:
^ All gasket surfaces should be free of oil an/or other foreign material during assembly.
^ DO NOT reuse the valve rocker arm cover gasket.
^ If the PCV valve grommet has been removed from the rocker cover, install a NEW grommet during assembly.





1. Install a NEW rocker cover gasket (1).





2. Install the valve rocker arm cover.

Notice: Refer to Fastener Notice in Service Precautions.

3. Tighten the rocker arm cover bolts.
Tighten the bolts to 12 Nm (106 inch lbs.).





4. Install the PCV hose.





5. Apply threadlock GM P/N 12345382 (Canadian P/N 10953489), or equivalent to the threads of the bracket bolts.
6. Install the ignition coil bracket.
7. Install the ignition coil bracket studs.
Tighten the studs to 12 Nm (106 inch lbs.).





8. Install the spark plug wires to the ignition coils.
9. Position the engine harness, if necessary.
10. Install the harness clips (1).
11. Connect the main electrical connector (2) to the ignition coil wire harness.
12. Install the CPA lock.
13. Install the engine sight shield, if required.