C 3500 HD Truck 2WD V8-8.1L VIN G (2002)
Catalytic Converter: Service and Repair
Catalytic Converter Replacement
Removal Procedure
1. Raise and suitably support the vehicle with safety stands. Refer to Vehicle Lifting.
2. Support and raise the transmission using a suitable transmission jack.
3. Remove the transmission mount nuts.
4. Remove the transmission support nuts and bolts.
5. Remove the transmission support from the vehicle.
6. Disconnect the oxygen sensors electrical connectors.
7. Remove the catalytic converter nuts.
8. Remove and discard the exhaust manifold seals.