Avalanche 2500 4WD V8-8.1L VIN G (2003)
Catalytic Converter: Service and Repair
Catalytic Converter Replacement
Removal Procedure
1. Raise and suitably support the vehicle. Refer to Vehicle Lifting. See: Maintenance/Vehicle Lifting
2. Remove the muffler.
3. Disconnect the Connector Position Assurance (CPA) retainers.
4. Disconnect the oxygen sensor electrical connectors (1, 2).
5. Remove the left exhaust manifold pipe nuts.
6. Remove the catalytic converter.
