Catalytic Converter: Service and Repair

Removal and Installation




1. Remove the bolts and the heat shield.




2. Disconnect the heated oxygen sensor (HO2S) and the catalyst monitor sensor electrical connectors.




3. Using the special tool, remove the HO2S.




4. Disconnect the exhaust gas recirculation (EGR) tube




5. Remove and discard the nuts.
6. Raise and support the vehicle.




7. Using the special tool, remove the catalyst monitor sensor.




8. Remove the bolts.




9. Remove the spring bolts and the flag nuts.
1. Discard the nuts.

10. Remove the catalytic converter.
1. Discard the ring seal.
2. Discard the gasket.

11. To install, reverse the removal procedure.
1. Install new flag nuts.
2. Install a new ring seal.
3. Install a new gasket.
4. Install new nuts.