CYLINDER HEAD (LH) REMOVAL/INSTALLATION[AJ (3.0L Duratec)]

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Removal

1.  Remove the camshafts (LH). (See CAMSHAFT (LH) REMOVAL/INSTALLATION[AJ (3.0L Duratec)].)

2.  Remove the intake manifold. (See INTAKE MANIFOLD REMOVAL/INSTALLATION[AJ (3.0L Duratec)].)

3.  Remove the coolant bypass tube.

4.  Remove the exhaust manifold (LH) nuts.

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Caution
•  The rocker arm must be installed in its original position.

5.  Remove the rocker arm.

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6.  Remove the HLA.

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Note
•  The cylinder head bolts must be replaced with new bolts. The bolts are torque-to-yield designed and cannot be reused.

7.  Remove the bolts in the sequence shown and remove the cylinder head.

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•  Discard the gasket and the bolts.


Installation

Caution
•  Do not use metal scrapers, wire brushes, power abrasive discs or other abrasive means to clean the sealing surfaces. These tools cause scratches and gouges which make leak paths. Use a plastic scraping tool to remove all traces of the head gasket. Clean all sealing surfaces with Metal Surface Cleaner.
Note
•  The cylinder head bolts must be replaced with new bolts. The bolts are torque-to-yield designed and cannot be reused.

1.  Position the cylinder head, gasket and install the bolts in the sequence shown.

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•  1st step: Tighten to 37—43 N·m {3.8—4.3 kgf·m, 28—31 ft·lbf}
•  2nd step: Tighten bolts 85 °—90 °
•  3rd step: Loosen to 360 °
•  4th step: Tighten to 37—43 N·m {3.8—4.3 kgf·m, 28—31 ft·lbf}
•  5th step: Tighten 85 °—90 °
•  6th step: Tighten 85 °—90 °

2.  Lubricate the HLA with engine oil and install HLA.

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3.  Lubricate the rocker arm with engine oil and install the rocker arm.

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4.  Install the exhaust manifold (LH) nuts in the sequence shown.

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5.  Install the coolant bypass tube.

6.  Install the intake manifold. (See INTAKE MANIFOLD REMOVAL/INSTALLATION[AJ (3.0L Duratec)].)

7.  Install the camshaft (LH). (See CAMSHAFT (LH) REMOVAL/INSTALLATION[AJ (3.0L Duratec)].)

8.  Inspect the compression. (See COMPRESSION INSPECTION[AJ (3.0L Duratec)].)