Removal Procedure

Open the hood.
Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection .
Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
Remove the exhaust muffler. Refer to Exhaust Muffler Replacement (LV7) .
Remove the front compartment insulator. Refer to Front Compartment Insulator Replacement .
Remove the catalytic converter brace bracket bolts (1), nuts (2) and catalytic converter brace bracket (3).

Fig 1: Catalytic Converter Brace Bracket Bolts
Courtesy of GENERAL MOTORS COMPANY
Lower the vehicle.
Disconnect the heated oxygen sensor 1 connector.

Fig 2: Heated Oxygen Sensor Connector
Courtesy of GENERAL MOTORS COMPANY
Remove the catalytic converter heat shield bolts (1) and remove the catalytic converter heat shield.

Fig 3: Catalytic Converter Heat Shield Bolts
Courtesy of GENERAL MOTORS COMPANY
Remove the catalytic converter nuts (1).

Fig 4: Catalytic Converter Nuts
Courtesy of GENERAL MOTORS COMPANY
Remove the catalytic converter (2) and gasket.
Remove the catalytic converter (1) and gasket (2) from the vehicle.

Fig 5: Catalytic Converter And Gasket
Courtesy of GENERAL MOTORS COMPANY
Remove and discard the gasket.