Removal Procedure
IMPORTANT:
The 3-way catalytic converter is serviced by replacing the entire assembly. Always replace the gaskets when servicing the 3-way catalytic converter assembly. Never install the original gaskets.
- Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
- Disconnect the heated oxygen sensor (HO2S) electrical connector.
- Remove the exhaust manifold pipe stud nuts.
- Remove the catalytic converter nuts.
- Remove the catalytic converter hangers.
- Remove the 3-way catalytic converter.
- Remove the gasket from the exhaust pipe.
- Remove the gasket from the exhaust manifold.
- Clean and inspect the exhaust manifold and the exhaust pipe gasket mating surfaces.
- Remove the heated oxygen sensor (HO2S). Refer to HEATED OXYGEN SENSOR .