Milan FWD L4-2.5L (2010)
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Exhaust Manifold: Removal and Replacement
Exhaust Manifold
Removal
1. With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to Vehicle Jacking and Lifting.
2. Remove the exhaust flexible pipe. For additional information, refer to Exhaust System &/or Catalytic Converter.
3. Disconnect the Heated Oxygen Sensor (HO2S) electrical connector.
4. Remove the 4 exhaust manifold heat shield bolts and the heat shield.
5. If equipped, detach the block heater wire harness retainer from the exhaust manifold stud.
6. Remove and discard the 7 exhaust manifold nuts.
7. Remove the exhaust manifold and discard the exhaust manifold gasket.
8. Remove and discard the 7 cylinder head studs.
9. Clean and inspect the exhaust manifold. For additional information, refer to Engine.
Installation
1. Install the 7 new cylinder head studs.
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Tighten to 17 Nm (150 lb-in).
2. NOTICE: Failure to tighten the catalytic converter nuts to specification before installing the converter bracket bolts will cause the
converter to develop an exhaust leak.