Express 1/2 Ton Van V8-5.7L VIN R (1999)
Catalytic Converter: Service and Repair
Removal Procedure
1. Raise the vehicle. Support the vehicle with safety stands.
2. Disconnect the Oxygen Sensor (02S) electrical connection.
3. Remove the nuts and the seals from the exhaust manifold pipes.
4. On the 4.3L and 5.0L with a 135 inch wheel base, remove the flange nuts from the front of the muffler.
