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Home >> Mitsubishi >> 2009 >> Lancer L4-2.4L (4B12) >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Engine >> Cylinder Head Assembly >> System Specifications
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System Specifications





Cylinder head bolt 35 ± 2 Nm (26 ± 1 ft-lb) +90° +90°

Cylinder head bolt reusability
Replace cylinder head bolts with a new ones.





Cylinder Head Surface Variation
For the flatness on the cylinder head bottom, measure distortion using a straight edge and free gauge. If the distortion exceeds the limit, grind and repair it.

Distortion on bottom
Limit Within 0.05 mm (0.002 inch)
Grinding limit 0.2 mm (0.008 inch)

Intake manifold stay bolt 20 ± 2 Nm 15 ± 1 ft-lb





Intake manifold bolt and nut 3.5 ± 1.5 Nm 31 ± 13 in-lb - 20 ± 2 Nm 15 ± 1 ft-lb





Camshaft bearing cap bolt (M6) 12 ± 1 Nm 107 ± 8 in-lb





Front camshaft bearing cap bolt (M8) 17 ± 3 Nm 14 ± 2 ft-lb - 30 ± 2 Nm 22 ± 1 ft-lb

V.V.T. intake sprocket bolt 59 ± 5 Nm 44 ± 3 ft-lb
V.V.T. exhaust sprocket bolt 59 ± 5 Nm 44 ± 3 ft-lb

Exhaust manifold nut 49 ± 5 Nm 36 ± 3 ft-lb
Exhaust manifold bracket D bolt (M8) 20 ± 5 Nm 15 ± 3 ft-lb
Exhaust manifold bracket A, B bolt (M10) 41 ± 10 Nm 30 ± 7 ft-lb