Impala V6-3.4L VIN E (2000)
Catalytic Converter: Service and Repair
Removal Procedure
The three way catalytic converter is serviced by replacing the entire assembly. Always replace the gasket at the front flange when servicing the three
way catalytic converter. Never reinstall the original gasket.
1. Raise and suitably support the vehicle. Refer to Vehicle Lifting.
2. Disconnect the heated oxygen sensor electrical connector.
3. Remove the exhaust manifold pipe stud nuts.
4. Remove the catalytic converter bolts.
5. Remove the three way catalytic converter.
6. Remove the heated oxygen sensor. Refer to Heated Oxygen Sensor (H02S) Replacement (H02SI) or Heated Oxygen Sensor (HO2S) Replacement
(H02S2) in Computers and Controls.
Installation Procedure
