CTS RWD V6-3.6L (2008)
Important: Inspect the catalytic converter seal/heat shield sealing surface. Replace the seal/heat shield if the sealing surface is worn or
damaged.
2. Install the catalytic converter seal/heat shield to the catalytic converter.
3. Carefully install the catalytic converter to the exhaust manifold.
4. Install the catalytic converter to exhaust manifold fasteners.
5. Connect the oxygen sensor electrical connector.
Notice: Refer to Fastener Notice (See: Service Precautions/Vehicle Damage Warnings/Fastener Notice) .
Important: Inspect the catalytic converter seal. Replace the seal if it is worn or damaged.
6. Install the exhaust pipes and nuts to the left and right side catalytic converters.
Tighten the nuts to 22 N.m (16 lb ft).
7. Lower the vehicle.
8. Tighten the catalytic converter nuts.
Tighten the nuts to 50 N.m (37 lb ft).
9. Install the right bank exhaust manifold heat shield. Refer to Exhaust Manifold Heat Shield Replacement - Right Side (See: Heat Shield/Service
and Repair/Exhaust Manifold Heat Shield Replacement - Right Side) .
