Lucerne V8-4.6L (2008)
Catalytic Converter: Service and Repair
Catalytic Converter Replacement (LD8)
Removal Procedure
Caution: Refer to Exhaust Service Caution.
Caution: Refer to Protective Goggles and Gloves Caution.
1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle (See: Maintenance/Vehicle Lifting/Service and Repair).
2. Support the exhaust system near the resonator with a suitable jack.
3. Remove the oxygen sensor. It is not necessary to disconnect the electrical connector.
4. Remove the nuts securing the catalytic converter to the exhaust manifold pipe.
5. Remove the bolts securing the center exhaust hangers to the rear suspension support brackets.
6. Remove the catalytic converter from the manifold pipe.
7. Lower the exhaust system.
