Savana 3/4 Ton Van V6-4.3L VIN X (2003)
Catalytic Converter: Service and Repair
Converter
Catalytic Converter Replacement (4.3L)
Removal Procedure
1. Raise the vehicle. Refer to Vehicle Lifting.
2. Disconnect the heated oxygen sensor (HO2S) electrical connections from catalytic converter pipe.
3. Remove the exhaust hanger bolts and hanger from the transmission.
4. Remove the nuts and the seals retaining the catalytic converter pipe to the exhaust manifolds.
Caution: Refer to Exhaust Service Caution in Service Precautions.
Caution: Refer to Protective Goggles and Gloves Caution in Service Precautions.
5. Remove the flange nuts from the catalytic pipe to the muffler.
6. Remove the catalytic converter from the vehicle.
7. Remove the oxygen sensors as necessary.
Installation Procedure