Silverado 2500 2WD V8-8.1L VIN G (2005)
Catalytic Converter: Service and Repair
Catalytic Converter Replacement (6.0L and 8.1L Engines)
Removal Procedure
1. Raise and suitably support the vehicle.
2. Support the transmission with a suitable transmission jack.
3. Remove the transmission mount to transmission support nuts.
4. Raise the transmission off of the transmission support.
5. Remove the transmission support crossmember bolts.
6. Remove the transmission support crossmember.
7. Remove the muffler.
8. Disconnect the connector position assurance (CPA) retainers.
9. Disconnect the oxygen sensor electrical connectors (1, 2).
