Catalytic Converter - 2.3L Manifold: Installation
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.
- Install the 7 new catalytic converter manifold studs.
- Tighten to 17 Nm (13 lb-ft).
- Position a new catalytic converter manifold gasket on the studs.
- Position the catalytic converter manifold and tighten the 7 new nuts in the sequence shown, in 2 stages.
- Stage 1: Tighten to 55 Nm (41 lb-ft).
- Stage 2: Tighten to 55 Nm (41 lb-ft).
- Install the catalytic converter manifold shield bracket and the 2 bolts.
- Tighten to 20 Nm (15 lb-ft).
- Tighten the 2 catalytic converter manifold bracket bolts.
- Tighten to 20 Nm (15 lb-ft).
- Position the heat shield and install the 6 heat shield bolts.
- Tighten to 10 Nm (89 lb-in).
- Install the 2 catalytic converter manifold-to-exhaust flexible pipe nuts.
- Install a new gasket and nuts.
- Tighten to 40 Nm (30 lb-ft).
- Position the wiring harness bracket on the stud.
- Install the HO2S and catalyst monitor sensors. For additional information, refer to ELECTRONIC ENGINE CONTROLS - 2.3L article.
- Install the generator air inlet duct.
CAUTION:
Failure to tighten the catalytic converter manifold nuts to specification before installing the converter bracket bolts will cause the converter to develop an exhaust leak.
CAUTION:
Failure to tighten the catalytic converter manifold nuts to specification a second time will cause the converter to develop an exhaust leak.
NOTE:
Make sure to tighten the nuts in the sequence shown in 2 stages.