Installation Procedure

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Important:

All gasket surfaces should be free of oil or other foreign material during assembly.
DO NOT reuse the valve rocker arm cover gasket.

Lubricate the O-ring seal of the NEW oil fill tube with clean engine oil.
Insert the NEW oil fill tube into the rocker arm cover.
Rotate the tube clockwise until locked in the proper position.
Install the oil fill cap into the tube.
Rotate the cap clockwise until locked in the proper position.

Fig 1: Installing Oil Fill Tube To Rocker Cover (Left)
Courtesy of GENERAL MOTORS CORP.
Install a NEW rocker cover gasket (1) into the valve rocker cover lip.

Fig 2: Installing Gasket (Left)
Courtesy of GENERAL MOTORS CORP.
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).

Fig 3: Installing Valve Rocker Arm Cover (Left)
Courtesy of GENERAL MOTORS CORP.
Install the PCV hose.

Fig 4: Installing PCV Hose (Left)
Courtesy of GENERAL MOTORS CORP.
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).

Fig 5: Installing Ignition Coil Bracket Studs (Left)
Courtesy of GENERAL MOTORS CORP.
If equipped with the 4.8L, 5.3L, or 6.0L (LQ4) engine, perform the following:
1. 11.1. Install the heater hose bracket and nut.
  Tighten
  
  Tighten the nut to 9 N.m (80 lb in).
2. 11.2. Position the surge tank/heater hoses to the heater hose bracket.
Fig 6: Installing Heater Hose Bracket & Nut (Left)
Courtesy of GENERAL MOTORS CORP.
Install the spark plug wires to the ignition coils.
Position the engine harness, if necessary.
Install the harness clips (2).
Connect the main electrical connector (1) 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)) .

Fig 7: Connecting Main Electrical Connector (Left)
Courtesy of GENERAL MOTORS CORP.