Cylinder Head
CYLINDER HEAD WARPAGEMaximum warpage 0.10 mm (0.0039 inch)
Head Torque and Sequence
HEAD TORQUE AND SEQUENCE
The cylinder head bolts are tightened in 3 progressive steps. If any cylinder head bolt is broken or deformed, replace it.
Apply a light coat of engine oil to the threads and under the heads of the cylinder head bolts.
- Install the plate washer to the cylinder head bolt.
- Install and uniformly tighten the 10 cylinder head bolts, and plate washers, in the order shown in the illustration.
- Torque: 40 Nm (408 kgf-cm, 30 ft. lbs.)
If any one of the cylinder head bolts does not meet the torque specification, replace the cylinder head bolt.
NOTICE: Do not drop the plate washer for the cylinder head bolt into portion A of the cylinder head. If dropped into portion A, the plate washer will pass through the cylinder head and cylinder block into the oil pan.
- 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.
HEAD BOLT RE-USABILITY
Standard outside diameter 9.810 to 9.960 mm (0.3862 to 0.3921 inch)
Minimum outside diameter 9.700 mm (0.3819 inch)
If the diameter is less than the minimum, replace the bolt.
INTAKE MANIFOLD
Intake manifold torque 18 Nm (185 kgf-cm, 13 ft. lbs.)
Install and uniformly tighten the 6 bolts and nuts in several steps.
CAM BEARING CAPS, A 7.5 Nm (76 kgf-cm, 66 ft. lbs.)
OTHERS
CAMSHAFT PULLEY
Torque 8.1 Nm (83 kgf-cm, 72 ft. lbs.)
Using a 5 mm hexagon wrench, install the 4 bolts.
EXHAUST MANIFOLD
Exhaust manifold sub-assembly LH
Exhaust manifold with 8 nuts. Tighten nuts diagonally.
Torque 44 Nm (450 kgf-cm, 33 ft. lbs.)
Exhaust manifold sub-assembly RH
Exhaust manifold with 8 nuts. Tighten nuts diagonally
Torque 44 Nm (450 kgf-cm, 33 ft. lbs.)