System Specifications

CYLINDER HEAD LH

Install and uniformly tighten the 12 cylinder head bolts, and plate washers, in the order shown in the illustration.
Torque 40 N*m (408 kgf*cm, 30 ft.*lbf)
If any one of the cylinder head bolts does not meet the torque specification, replace the cylinder head bolt.

Mark the front of the cylinder head bolt head with paint.
Retighten the cylinder head bolts by 90° in the order shown.
Retighten the cylinder head bolts by an additional 90°.
Check that the painted mark is now at a 180° angle to front.

Cylinder head
Warpage
Maximum 0.10 mm (0.0039 in.)
Valve seat
Refacing angle 30°, 45°, 60°
Contacting angle 45°
Contacting width 1.0 to 1.4 mm (0.039 to 0.055 in.)
Valve guide bushing bore diameter
STD 10.285 to 10.306 mm (0.4049 to 0.4057 in.)
O/S 0.05 10.335 to 10.356 mm (0.4069 to 0.4077 in.)
Cylinder head set bolt thread inside diameter
STD 9.810 to 9.960 mm (0.3862 to 0.3921 in.)
Minimum 9.70 mm (0.3819 in.)
Protrusion height
Intake 9.2 to 9.8 mm (0.362 to 0.386 in.)
Exhaust 8.2 to 8.8 mm (0.323 to 0.346 in.)

CAMSHAFT BEARING CAP (RH)

Uniformly tighten the 22 bearing cap bolts in several steps, in the order shown in the illustration.
Torque For bolt C 7.5 N*m (76 kgf*cm, 66 in.*lbf)
Torque For others 16 N*m (163 kgf*cm, 12 ft.*lbf)

CAMSHAFT BEARING CAP (LH)

Uniformly tighten the 22 bearing cap bolts in several steps, in the order shown in the illustration.
Torque: For bolt C 7.5 N*m (76 kgf*cm, 66 in.*lbf)
Torque: For others 16 N*m (163 kgf*cm, 12 ft.*lbf)

EXHAUST MANIFOLD LH
Install the exhaust manifold with 8 new nuts. Uniformly tighten the nuts in diagonally.
Torque 44 N*m (450 kgf*cm, 33 ft.*lbf)

EXHAUST MANIFOLD RH
Install the exhaust manifold with 8 new nuts. Uniformly tighten the nuts diagonally.
Torque 44 N*m (450 kgf*cm, 33 ft.*lbf)