Removal Procedure

Remove the oil fill cap.
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Intake Manifold Cover Bolt (1) - Remove [2x]
Lift up on the front of the intake manifold cover (2).
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Intake Manifold Cover (1) @ Upper Intake Manifold Bracket (2) - Remove
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Electrical Connector (1) - Disconnect [5x]
Wiring Harness (2) - Reposition
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Upper Intake Manifold Cover Nut (1) - Remove [2x]
Radiator Surge Tank Inlet Hose Clip (2) @ Upper Intake Manifold Bracket (3) - Remove
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Upper Intake Manifold Cover Nut (1) - Remove [2x]
Upper Intake Manifold Bracket (2) - Remove
Courtesy of GENERAL MOTORS COMPANY

Camshaft Position Sensor Bolt (1) - Remove
Disconnect the electrical connector.
Camshaft Position Sensor (2) - Remove