Installation Procedure
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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.
- Install a NEW rocker cover gasket (1).
- Install the valve rocker arm cover.NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
- Tighten the rocker arm cover bolts.
Tighten
Tighten the bolts to 12 N.m (106 lb in).
- Install the PCV hose to the rocker arm cover.
- Apply threadlock GM P/N 12345382 (Canadian P/N 10953489) or equivalent to the threads of the coil bracket studs.
- Install the ignition coil bracket.
- Install the ignition coil bracket studs.
Tighten
Tighten the studs to 12 N.m (106 lb in).
- Install the spark plug wires to the ignition coils.
- Position the engine harness, if necessary.
- Install the harness clips (1).
- Connect the main electrical connector (2) feeding the ignition coils.
- Install the CPA lock.
- Install the engine sight shield, if required. Refer to ENGINE SIGHT SHIELD REPLACEMENT (4.8L, 5.3L, AND 6.0L (RPO LQ4)) or ENGINE SIGHT SHIELD REPLACEMENT (6.0L (RPO LQ9)) .