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Home >> Subaru >> 2010 >> Forester F4-2.5L SOHC >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Engine >> Cylinder Head Assembly >> System Specifications
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System Specifications

Cylinder head bolts

Tighten all bolts 40 N.m (4.1 kgf-m, 29.5 ft-lb)
Retighten all bolts 95 N.m (9.7 kgf-m, 70.1 ft-lb)
Loosen all bolts 180 degrees
(in the reverse order of installing)
Loosen further 180 degrees
Tighten all bolts 10 N.m (1.0 kgf-m, 7.4 ft-lb)
Tighten all bolts 30 N.m (3.1 kgf-m, 22.1 ft-lb)
Tighten all bolts 60 N.m (6.1 kgf-m, 44.2 ft-lb)
Tighten all bolts 80 to 90 degrees
Tighten all bolts 40 to 45 degrees
Further tighten bolts (a) and (b) 40 - 45 degrees





Warping limit 0.035 mm (0.0014 in)
Grinding limit 0.1 mm (0.004 in)
Standard height of cylinder head 97.5 mm (3.84 in)

Camshaft cap

Temporarily tighten the bolts (a) through (d)





Bolts (e) through (j)





Bolts (k) through (r)





Bolts (s) and (t)





Cam sprocket 78 Nm (8.0 kgf-m, 57.5 ft-lb)