LaCrosse V8-5.3L (2008)
3. Install the oxygen sensor wiring harness (3) to the catalytic converter heat shield.
4. Install the catalytic converter. Refer to Catalytic Converter Replacement (See: Service and Repair).
5. Remove the support from the exhaust system.
6. Inspect the exhaust system for leaks and underbody contact.
7. Lower the vehicle.
