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Exhaust Manifold: Installation

WARNING: This page is about a different car, the 2010 Mercury Milan and 2010 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the 7 new cylinder head studs.
    • Tighten to 17 Nm (150 lb-in).
  2. Install a new exhaust manifold gasket, the exhaust manifold and 7 new nuts in the sequence shown below in 2 stages:
    • Stage 1: Tighten to 48 Nm (35 lb-ft).
    • Stage 2: Tighten to 48 Nm (35 lb-ft).
    NOTE: Failure to tighten the catalytic converter nuts to specification before installing the converter bracket bolts will cause the converter to develop an exhaust leak.
    NOTE: Failure to tighten the catalytic converter nuts to specification a second time will cause the converter to develop an exhaust leak.
    Fig 1: Identifying Exhaust Manifold Nuts Tightening Sequence
    G06261963Courtesy of FORD MOTOR CO.
  3. If equipped, attach the block heater wire harness retainer to the exhaust manifold stud.
  4. Install the exhaust manifold heat shield and the 4 bolts.
    • Tighten to 10 Nm (89 lb-in).
  5. Connect the HO2S electrical connector.
  6. Install the exhaust flexible pipe. For additional information, refer to INSTALLATION .
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