1. Lift up the vehicle.
2. Remove the exhaust manifold insulator.
3. Remove the HO2S. (See HEATED OXYGEN SENSOR (HO2S) REMOVAL/INSTALLATION [YF (2.0L Zetec)].)
4. Disconnect the EGR pipe.
5. Remove the nuts and dispose of them.
6. Remove the catalytic converter.
7. Install in the reverse order of removal.