Cylinder Head Assembly

CYLINDER HEAD SET BOLT

Measuring point:
- 94 mm (3.70 in.) for intake side bolt
- 89 mm (3.50 in.) for exhaust side bolt

Standard diameter: 10.85 to 11.00 mm (0.427 to 0.433 in.)
Minimum diameter: 10.6 mm (0.417 in.)

CYLINDER HEAD SUB-ASSEMBLY

- Standard warpage: 0 to 0.05 mm (0 to 0.00197 in.)
- Maximum warpage: 0.07 mm (0.00276 in.)

CYLINDER HEAD SUB-ASSEMBLY LH

Apply a light coat of engine oil to the threads and under the heads of the cylinder head bolts.

Step 1:
- Using a 10 mm bi-hexagon wrench, install and uniformly tighten the 10 cylinder head bolts with the plate washers in several steps, in the sequence shown in the illustration.
Torque: 36 Nm (367 kgf-cm, 27 ft-lbf)

Step 2:
- Mark the front of the cylinder head bolts with paint.
- Further tighten the cylinder head bolts 90° and then an additional 90° as shown in the illustration.

Step 3:
- Check that the paint mark is now at a 180° angle from the front.

Install and uniformly tighten the 2 cylinder head bolts.
Torque: 21 Nm (214 kgf-cm, 16 ft-lbf)

CYLINDER HEAD SUB-ASSEMBLY RH
Apply a light coat of engine oil to the threads and under the heads of the cylinder head bolts.

Install and uniformly tighten the 2 cylinder head bolts.
Torque: 21 Nm (214 kgf-cm, 16 ft-lbf)

CAMSHAFT HOUSING SUB-ASSEMBLY RH

NOTICE:
- Remove any oil from the contact surface.
- Install the camshaft housing within 3 minutes and tighten the bolts within 15 minutes after applying seal packing.
- Do not start the engine for at least 2 hours after the installation.

Install the camshaft housing, and install the 18 bolts in the order shown in the illustration.
- Bolt A - Torque: 10 Nm (102 kgf-cm, 7 ft-lbf)
- Except bolt A - Torque: 30 Nm (306 kgf-cm, 22 ft-lbf)

NOTE: Make sure that the knock pin of the camshaft is positioned as shown in the illustration before installing the camshaft housing.

Tighten the 10 bolts in the order shown in the illustration.
Torque: 16 Nm (163 kgf-cm, 12 ft-lbf)

NOTE: Thoroughly wipe clean any seal packing.

CAMSHAFT HOUSING SUB-ASSEMBLY LH

NOTICE:
- Remove any oil from the contact surface.
- Install the camshaft housing within 3 minutes and tighten the bolts within 15 minutes after applying seal packing.
- Do not start the engine for at least 2 hours after the installation.

Install the camshaft housing, and install the 18 bolts in the order shown in the illustration.
Bolt A - Torque: 10 Nm (102 kgf-cm, 7 ft-lbf)
Except bolt A - Torque: 30 Nm (306 kgf-cm, 22 ft-lbf)

NOTE: Make sure that the knock pin of the camshaft is positioned as shown in the illustration before installing the camshaft housing.

Tighten the 10 bolts in the order shown in the illustration.
Torque: 16 Nm (163 kgf-cm, 12 ft-lbf)
NOTE: Thoroughly wipe clean any seal packing.

CAMSHAFT TIMING GEAR

LH:
- Using a wrench to hold the hexagonal portion of the No. 3 camshaft, tighten the camshaft timing gear with the bolt.
Torque: 100 Nm (1020 kgf-cm, 74 ft-lbf)

- Using a wrench to hold the hexagonal portion of the No. 4 camshaft, tighten the camshaft timing exhaust gear with the bolt.
Torque: 100 Nm (1020 kgf-cm, 74 ft-lbf)
16. TIGHTEN CAMSHAFT TIMING GEAR ASSEMBLY (for RH Side)

RH:
- Using a wrench to hold the hexagonal portion of the No. 1 camshaft, tighten the camshaft timing gear with the bolt.
Torque: 100 Nm (1020 kgf-cm, 74 ft-lbf)

- Using a wrench to hold the hexagonal portion of the No. 2 camshaft, tighten the camshaft timing exhaust gear with the bolt.
Torque: 100 Nm (1020 kgf-cm, 74 ft-lbf)

INTAKE MANIFOLD

Install and uniformly tighten the 8 bolts and 2 nuts in several steps.
Torque - 21 Nm (214 kgf-cm, 16 ft-lbf)

EXHAUST MANIFOLD LH

Temporarily install the exhaust manifold with the 2 nuts labeled A and 8 new nuts.
Uniformly tighten the nuts that are not labeled A, and then tighten the 2 nuts labeled A.

For nut A
Torque: 10 Nm (102 kgf-cm, 7 ft-lbf)

Except nut A
Torque: 21 Nm (214 kgf-cm, 16 ft-lbf)

EXHAUST MANIFOLD RH