System Specifications
General SpecificationsFace angle thickness of valve head (Margin)
Intake
Specification 1.15 mm (0.0452 in.)
Limit 0.8 mm (0.031 in.)
Exhaust
Specification 1.35 mm (0.0531 in.)
Limit 1.0 mm (0.039 in.)
Flatness of gasket surface
Specification Max. 0.03 mm (0.0012 in.)
Limit 0.06 mm (0.0024 in.)
Flatness of manifold mounting surface
Specification Max. 0.15 mm (0.0110 in.)
Limit Max. 0.03 mm (0.0118 in.)
Oversize rework dimensions valve seat hole
Intake
0.3 mm (0.012 in.) O.S. 33.300 - 33.325 mm (1.3110 - 1.3120 in.)
0.6 mm (0.024 in.) O.S. 33.600 - 33.625 mm (1.3228 - 1.3238 in.)
Exhaust
0.3 mm (0.012 in.) O.S. 28.800 - 28.821 mm (11.1338 - 1.1346 in.)
0.6 mm (0.024 in.) O.S. 29.100 - 29.121 mm (11.1456 - 1.14665 in.)
Oversize rework dimensions of valve guide hole (both intake and exhaust)
0.05 mm (0.002 in.) O.S. 11.05 - 11.068 mm (0.435 - 0.4357 in.)
0.25 mm (0.010 in.) O.S. 11.25 - 11.268 mm (0.443 - 0.4436 in.)
0.50 mm (0.020 in.) O.S. 11.50 - 11.518 mm (0.453 - 0.4535 in.)
Tightening Torque
Camshaft Bearing
Cylinder head
Cylinder head bolt
M10 25 Nm (18 ft. lbs.) + (60° - 65°) + (60° - 65°)
M12 30 Nm (22 ft. lbs.) + (60° - 65°) + (60° - 65°)
Intake manifold nuts 18 - 25 Nm (13 - 18 ft. lbs.)
Exhaust manifold nuts 43 - 55 Nm (32 - 41 ft. lbs.)
Cylinder head cover bolts 8 - 10 Nm (6 - 7 ft. lbs.)
Camshaft bearing cap bolts 14 - 15 Nm (10 - 11 ft. lbs.)
Oil control valve bolt 10 - 12 Nm (7.3 - 8.8 ft. lbs.)
OCV filter 41 - 51 Nm (30 - 37.6 ft. lbs.)
CVVT assembly to exhaust camshaft bolt 66 - 78 Nm (48.7 - 57.5 ft. lbs.)
Rear plate bolts 8 - 10 Nm (6 - 7 ft. lbs.)
Intake manifold to cylinder head nuts and bolts 16 - 23 Nm (12 - 17 ft. lbs.)
Intake manifold to cylinder block bolts 18 - 25 Nm (3 - 18 ft. lbs.)
Throttle body to surge tank nuts 15 - 20 Nm (11 - 14 ft. lbs.)
Exhaust manifold to cylinder head nuts 43 - 55 Nm (32 - 40 ft. lbs.)
Exhaust manifold cover to exhaust manifold bolts 15 - 20 Nm (11 - 14 ft. lbs.)
Exhaust manifold nuts 43 - 55 Nm (32 - 41 ft. lbs.)
Oxygen sensor to exhaust manifold 30 - 40 Nm (22 - 29 ft. lbs.)
Front exhaust pipe to exhaust manifold nuts 30 - 40 Nm (22 - 29 ft. lbs.)
Throttle body, Intake manifold stay bolts and Intake manifold bolts
Tighten the bolts to the specified torque in the sequence shown below.
Cylinder head bolt
M10 25 Nm (18 ft. lbs.) + (60 - 65°) + (60 - 65°)
M12 30 Nm (22 ft. lbs.) + (60 - 65°) + (60 - 65°)