Exhaust Manifold - LH: Installation

WARNING: This page is about a different car, the 2011 Lincoln MKZ and 2011 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.

Install 6 new LH exhaust manifold studs.
- Tighten to 12 Nm (106 lb-in).

NOTE: Failure to tighten the exhaust manifold nuts to specification a second time will cause the exhaust manifold to develop an exhaust leak.

Fig 1: Identifying LH Exhaust Manifold Nuts Tightening Sequence

Courtesy of FORD MOTOR CO.

Using a new gasket, install the LH exhaust manifold and 6 new nuts. Tighten in 2 stages in the sequence shown in illustration:
- Stage 1: Tighten to 20 Nm (177 lb-in).
- Stage 2: Tighten to 25 Nm (18 lb-ft).
Install the LH exhaust manifold heat shield and the 3 bolts.
- Tighten to 10 Nm (89 lb-in).
Install the LH HO2S. For additional information, refer to ELECTRONIC ENGINE CONTROLS - 3.5L -- FUSION & MKZ article.
Install the LH catalytic converter. For additional information, refer to EXHAUST SYSTEM -- FUSION, MILAN & MKZ article.