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

System Specifications

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Cylinder Head Bolts





First pass 29 Nm (3.0 kgf-m, 21.4 ft-lb)
Second pass 69 Nm (7.0 kgf-m, 50.9 ft-lb)
Third pass: Loosen all bolts 180°
Fourth pass: Loosen all bolts 180°
Fifth pass 42 Nm (4.3 kgf-m, 31.0 ft-lb)
Sixth pass: Tighten 80-90°
Seventh pass: Tighten 40-45°
Final pass: Tighten bolts (a) and (b) 40-45°

Cylinder Head Inspection
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 Bearing Cap Bolts


Camshaft Sprocket Bolts 78 Nm (8.0 kgf-m, 57.5 ft-lb)

Front Exhaust Pipe to Cylinder Head Nuts 30 Nm (3.1 kgf-m, 22.1 ft-lb)