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Home >> Subaru >> 2009 >> Outback 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 29 N-m (3.0 kgf-m, 21.4 ft-lb)
Tighten all bolts 69 N-m (7.0 kgf-m, 50.9 ft-lb)
Loosen all 180°
(in the reverse order)
Loosen further 180°
Tighten all 42 N-m (4.3 kgf-m, 31.0 ft-lb)
Tighten all 80 to 90°
Tighten all 40 to 45°
Further tighten (a) and (b) 40 - 45°





Cylinder head
Surface warping limit 0.035 mm (0.0014 in)
Grinding limit 0.1 mm (0.004 in)
Standard height 97.5 mm (3.84 in)

Camshaft Cap

Temporarily tighten the bolts (a) through (d)





TORX bolts through (j) 18 N-m (1.8 kgf-m, 13.3 ft-lb)





Bolts (k) through (r) 9.75 N-m (1.0 kgf-m, 7.2 ft-lb)





Bolts (s) and (t) 9.75 N-m (1.0 kgf-m, 7.2 ft-lb)





Cam Sprocket 78 N-m (8.0 kgf-m, 57.5 ft-lb)