Catalytic Converter - 2.3L PZEV Manifold: Removal
WARNING: This page is about a different car, the 2009 Mercury Milan, 2009 Lincoln MKZ, and 2009 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
- With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to JACKING AND LIFTING article.
- Remove the generator air inlet duct.
- Disconnect the Heated Oxygen Sensor (HO2S) and 2 catalyst monitor sensor electrical connectors.
- Remove the wiring harness bracket off the stud and position it aside.
- Remove the 2 catalytic converter manifold-to-exhaust flexible pipe nuts.
- Discard the gasket and the 2 nuts.
- Remove the 4 heat shield bolts and the heat shield.
- Remove the 2 catalytic converter manifold shield bracket bolts and the bracket.
- Loosen the 2 catalytic converter manifold bracket bolts.
- Disconnect the secondary injection hose from the catalytic converter manifold.
- Remove the 7 catalytic converter manifold nuts and remove it from the vehicle.
- Discard the 7 nuts and the gasket.
- Remove and discard the 7 catalytic converter manifold studs.
- Clean and inspect the catalytic converter manifold. For additional information, refer to ENGINE SYSTEM - GENERAL INFORMATION article.
NOTE:
Always install new fasteners and gaskets as indicated. Clean flange faces prior to new gasket installation to make sure of proper sealing.