Removal Procedure

WARNING: This page is about a different variant/trim than selected.

Remove the engine sight shield. Engine Sight Shield Replacement
Disconnect the battery negative cable. Battery Negative Cable Disconnection and Connection
Fuel Injector - Remove [4x] - Fuel Injector Replacement
Courtesy of GENERAL MOTORS COMPANY

Fuel Injection Fuel Rail Noise Shield (1) - Remove
Courtesy of GENERAL MOTORS COMPANY

Engine Wiring Harness Conduit Bolt (1) - Remove [2x]
Wiring Harness Clip (2, 4) - Unclip [3x]
Engine Wiring Harness (3) - Position aside
Courtesy of GENERAL MOTORS COMPANY

Engine Coolant Air Bleed Hose (1) @ Retainer Clip (2) - Unclip
Engine Coolant Air Bleed Hose (1) - Position aside
Courtesy of GENERAL MOTORS COMPANY

Wiring Harness Clip (1) @ Exhaust Temperature Sensor Bracket (4) - Unclip [2x]
Clip (2) @ Exhaust Temperature Sensor Bracket (4) - Unclip
Wiring Harness (3) - Position aside
Courtesy of GENERAL MOTORS COMPANY

Exhaust Temperature Sensor Electrical Connector Bracket Bolt (1, 2) - Remove [3x]
Exhaust Temperature Sensor Electrical Connector Bracket (3) - Remove
Courtesy of GENERAL MOTORS COMPANY

Positive Crankcase Ventilation Heater (1) - Remove
1. Press the positive crankcase ventilation heater at the 2 checkered places (2).
2. Pull the positive crankcase ventilation heater in top direction.
Courtesy of GENERAL MOTORS COMPANY

Electrical Connector (2) @ Positive Crankcase Ventilation Heater (1) - Disconnect
Wiring Harness Clip (4) - Unclip
Wiring Harness (3) - Position aside
Courtesy of GENERAL MOTORS COMPANY

Air Cleaner Outlet Duct Clamp (1, 2) - Loosen [2x]
Air Cleaner Outlet Duct (3) - Remove
Courtesy of GENERAL MOTORS COMPANY

Wiring Harness Clip (3) - Unclip [2x]
Engine Lift Bracket Bolt (2) - Remove
Engine Lift Bracket (1) - Remove
Courtesy of GENERAL MOTORS COMPANY

Engine Control Module and Engine Wiring Harness Bracket Bolt (1) - Remove [2x]
Engine Control Module Wiring Harness Bracket (2) - Position aside
Courtesy of GENERAL MOTORS COMPANY

NOTE:
Do not bend the cable sharply at the base of either the sensing unit or sensor ECU in the final mounting position.

Nitrogen Oxides Sensor (2) - Remove
Courtesy of GENERAL MOTORS COMPANY

Turbocharger Heat Shield Bolt (1) - Remove [4x]
Turbocharger Heat Shield Nut (3) - Remove
Turbocharger Heat Shield (2) - Remove
Courtesy of GENERAL MOTORS COMPANY

Turbocharger Heat Shield Bolt (1) - Remove [2x]
Turbocharger Heat Shield (2) @ Clamp (3) - Unclip
Turbocharger Heat Shield (2) - Remove
Courtesy of GENERAL MOTORS COMPANY

Turbocharger Wastegate Actuator Pipe Bolt (1, 3) - Remove [3x]
Remove the turbocharger wastegate actuator pipe nut (5).
Turbocharger Wastegate Actuator Pipe (2) - Position aside
Turbocharger Coolant Feed Pipe (4) - Position aside
Courtesy of GENERAL MOTORS COMPANY

Engine Lift Bracket Bolt (2) - Remove
Engine Lift Bracket (1) - Remove
Courtesy of GENERAL MOTORS COMPANY

Engine Oil Level Indicator (1) - Remove
Courtesy of GENERAL MOTORS COMPANY

NOTE:
Mind the different bolts.

Camshaft Housing Bolt - Outer (4) - Remove [15x]
Camshaft Housing Bolt - Inner (1, 2) - Remove [5x]
Camshaft Housing (3) - Remove
Camshaft Housing Gasket (5) - Remove and DISCARD