Removal Procedure

WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.

Oil Filler Cap - Remove
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Intake Manifold Cover Bolt (1) - Remove
Intake Manifold Cover (2) - Remove
Install the oil filler cap after removal of the intake manifold cover to prevent debris from falling into the engine.
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Disconnect the turbocharger wastegate regulator solenoid valve electrical connector.
Turbocharger Wastegate Actuator Vacuum Tank Bolt (3) - Remove [2x]
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Disconnect the turbocharger wastegate regulator solenoid valve electrical connector.
Turbocharger Wastegate Actuator Vacuum Tank Bolt (3) - Remove [2x]
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Turbocharger Wastegate Actuator Vacuum Tank Solenoid Valve Tube (3) @ Auxiliary Air Cleaner Outlet Duct - Disconnect - Plastic Collar Quick Connect Fitting Service
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Charge Air Bypass Valve Vacuum Tank Tube (3) - Disconnect - Plastic Collar Quick Connect Fitting Service
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Turbocharger Wastegate Actuator Vacuum Source Tube (1) @ Camshaft Cover - Disconnect - Plastic Collar Quick Connect Fitting Service
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Charge Air Bypass Valve Tube (1) @ Charge Air Bypass Valve - Disconnect - Plastic Collar Quick Connect Fitting Service
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Electrical Connector (1) @ Charge Air Bypass Valve (2) - Disconnect
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Charge Air Bypass Valve Tube (1) @ Charge Air Bypass Valve - Disconnect - Plastic Collar Quick Connect Fitting Service
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Electrical Connector (1) @ Charge Air Bypass Valve (2) - Disconnect
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Turbocharger Wastegate Actuator Vacuum Tank Bolt (1) - Remove [2x]
Turbocharger Wastegate Actuator Vacuum Tank (2) - Remove
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Charge Air Bypass Valve Hose Clamp (1) - Loosen
Charge Air Bypass Valve Tube Connector Clamp (2) - Loosen
Charge Air Bypass Valve (3) - Remove
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Charge Air Cooler Inlet Air Tube Bolt (1) - Remove [2x]
Charge Air Bypass Valve Tube Connector Clamp (2) - Loosen
Charge Air Cooler Inlet Pipe (3) - Remove
Charge Air Cooler Inlet Air Tube Seal (4) - Remove and DISCARD
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CAUTION:
The Positive Crankcase Ventilation (PCV) line is tamper resistant and must always be replaced once it is removed. The fittings connected to the PCV line must also be replaced if they are damaged when the PCV line is removed. To reduce the risk of damage to the fittings, use a suitable cutting tool and carefully cut the connections away.

NOTE:
Some components not shown for graphic clarity.

Using a suitable cutting tool, carefully cut the 2 positive crankcase ventilation tube connectors (1).
Positive Crankcase Ventilation Foul Air Tube (2) - Remove and DISCARD
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NOTE:
Replace only the components necessary to complete the repair.

Disconnect the ignition coil electrical connector.
Ignition Coil Bolt (1) - Remove
Ignition Coil (2) - Remove
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NOTE:
Replace only the components necessary to complete the repair.

Gas Engine Ignition Spark Plug (1) - Remove