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Home >> Subaru >> 2008 >> Forester F4-2.5L DOHC Turbo >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Engine >> Cylinder Head Assembly >> System Specifications
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System Specifications

Cylinder head
Surface warpage limit 0.035 mm (0.0014 in)
Grinding limit 0.3 mm (0.012 in)
Standard height 127.5 mm (5.02 in)

Cylinder head bolts
Tighten all bolts to 29 N-m (3.0 kgf-m, 21.4 ft-lb) in alphabetical sequence.
Tighten all bolts to 69 N-m (7.0 kgf-m, 50.9 ft-lb) in alphabetical sequence.
Loosen all the bolts by 180° in the reverse order of installing, and loosen them further by 180°.
Tighten all bolts to 49 N-m (5.0 kgf-m, 36.1 ft-lb) in alphabetical sequence.
Tighten all bolts by 80 to 90° in alphabetical sequence.
Tighten all bolts by 40 to 45° in alphabetical sequence.
Further tighten the bolts (a) and (b) by 40 - 45°





Camshaft caps





Camshaft sprockets