Grand Prix V8-5.3L (2007)
Catalyst Shield: Service and Repair
Catalytic Converter Heat Shield Replacement
Removal Procedure
1. Remove the catalytic converter.
2. Remove the heated oxygen sensor (HO2S) wiring harness from the clips on the catalytic converter heat shield.
3. Drill out the catalytic converter heat shield rivets.
4. Remove the catalytic converter heat shield.
Installation Procedure