CTS Wagon RWD V6-3.6L (2010)
4. Remove the catalytic converter. Refer to Catalytic Converter Replacement - Left Side (LLT) (See: Catalytic Converter/Service and
Repair/Catalytic Converter Replacement - Left Side)Catalytic Converter Replacement - Left Side (LSA) (See: Catalytic Converter/Service and
Repair/Catalytic Converter Replacement - Left Side)Catalytic Converter Replacement - Left Side (LF1) (See: Catalytic Converter/Service and
Repair/Catalytic Converter Replacement - Left Side).
5. Remove the exhaust manifold and discard the exhaust manifold gasket.
6. If reusing the exhaust manifold, clean and inspect the exhaust manifold sealing surfaces. Refer to Exhaust Manifold Cleaning and Inspection - Left
Side (See: Engine/Service and Repair/Overhaul/86. Exhaust Manifold Cleaning and Inspection - Left Side).
Installation Procedure
1. Install a NEW exhaust manifold gasket to the exhaust manifold.
2. Install the exhaust manifold and the gasket to the cylinder head.
Caution: Refer to Fastener Caution (See: Service Precautions/Vehicle Damage Warnings/Fastener Caution).
3. Install the exhaust manifold bolts and tighten to 20 Nm (15 lb ft).