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Home >> Subaru >> 2005 >> Outback R VDC Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 17 (Engine Mechanical (H4DOTC)) >> Cylinder Head >> Installation

Cylinder Head: Installation

WARNING: This page is about a different variant/trim than selected.
  1. Install the cylinder head and gaskets on cylinder block.
    CAUTION: Be careful not to scratch the mating surface of cylinder head and cylinder block.
    NOTE: Use a new cylinder head gasket.
    1. Clean the bolt threads and the bolt holes in the cylinder block.
      CAUTION: To avoid erroneous tightening of the bolts, clean out the bolt holes sufficiently by blowing with compressed air to eliminate engine coolant etc.
    2. Apply a sufficient coat of engine oil to the washer and bolt thread.
    3. Tighten all bolts to 40 N.m (4.1 kgf-m, 29.5 ft-lb) in alphabetical order.
    4. Retighten all bolts to 95 N.m (9.7 kgf-m, 70.1 ft-lb) in alphabetical order.
      CAUTION: If the bolt makes stick-slip sound during tightening, repeat the procedure from step (1). In this case, the cylinder head gasket can be reused.
    5. Loosen all the bolts by 180° in the reverse order of installing, and loosen them further by 180°.
    6. Tighten all bolts to 10 N.m (1.0 kgf-m, 7.4 ft-lb) in alphabetical order.
    7. Retighten all bolts to 30 N.m (3.1 kgf-m, 22.1 ft-lb) in alphabetical order.
    8. Retighten all bolts to 70 N.m (7.1 kgf-m, 51.6 ft-lb) in alphabetical order.
    9. Retighten all bolts by 80 - 90° in alphabetical order.
    10. Retighten all bolts by 40 - 45° in alphabetical order.
      CAUTION: The tightening angle of the bolt should not exceed 45°
    11. Retighten bolts (A) and (B) by 40 - 45°.
      CAUTION: Make sure the total "tightening angle" of steps (10) and (11) does not exceed 90°.
    Fig 1: Identifying Cylinder Head Gasket Mounting Bolts
    G07670831Courtesy of SUBARU OF AMERICA, INC.
  2. Install the camshaft. < Ref. to , INSTALLATION , Camshaft. >
  3. Install the A/C compressor bracket on cylinder head.
  4. Install the intake manifold.

    < Ref. to INSTALLATION , Intake Manifold. >

  5. Install the cam sprocket.

    < Ref. to , INSTALLATION , Cam Sprocket. >

  6. Install the timing belt.

    < Ref. to , INSTALLATION , Timing Belt. >

  7. Install the timing belt cover.

    < Ref. to , INSTALLATION , Timing Belt Cover. >

  8. Install the crank pulley.

    < Ref. to , INSTALLATION , Crank Pulley. >

  9. Install the V-belts. < Ref. to , INSTALLATION , V-belt. >
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