Removal Procedure

Remove 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)) .
Remove the connector position assurance (CPA) lock (5).

Fig 1: View Of CPA Retainer, Harness Clips, ETC, Coil Harness & Fuel Injectors Electrical Connectors
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Disconnect the main electrical connector (4) to the ignition coil wire harness.
Remove the harness clips (1).
Reposition the engine harness, if necessary.
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.
Reposition the surge tank/heater hoses from the heater hose bracket.
Remove the heater hose bracket nut and bracket.

Fig 2: View Of Heater Hose Bracket Nut
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Remove the ignition coil bracket studs.
Remove the ignition coil bracket.

Fig 3: View Of Ignition Coil Bracket (Right)
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Remove the positive crankcase ventilation (PCV) hose.

Fig 4: View Of Throttle Body To Valve Rocker Arm Cover PCV Hose
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Loosen the valve rocker arm cover bolts.
Remove the valve rocker arm cover.

Fig 5: View Of Valve Rocker Arm Cover (Right)
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Remove and discard the old gasket (1).

Fig 6: Rocker Arm Cover Gasket
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Remove the oil fill tube from the rocker cover, if required.

Fig 7: View Of Oil Fill Tube
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If required, clean and inspect the rocker arm cover. Refer to Valve Rocker Arm Cover Cleaning and Inspection .