System Specifications

CYLINDER HEAD SET BOLT

Measuring point: 73.0 mm (2.87 in.)
Standard outside diameter: 10.85 to 11.0 mm (0.427 to 0.433 in.)
Minimum outside diameter: 10.7 mm (0.421 in.)

CYLINDER HEAD SUB-ASSEMBLY

Standard warpage:

Maximum warpage:

CYLINDER HEAD SUB-ASSEMBLY RH (for Bank 1)
Install the 8 cylinder head bolts and plate washers.

HINT:
- 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.

Step 1:

(1) Using a 10 mm bi-hexagon wrench, install and uniformly tighten the 8 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)

If any one of the cylinder head bolts does not meet the torque specification, replace the cylinder head bolt.

Step 2:

(1) Mark the cylinder head bolt heads with paint as shown in the illustration.
(2) Tighten the cylinder head bolts another 90° in the sequence shown in step 1.

Step 3:
(1) Tighten the cylinder head bolts by an additional 90° in the sequence shown in step 1.
Check that the painted marks are now facing rearward.

CYLINDER HEAD SUB-ASSEMBLY LH (for Bank 2)
Install the 8 cylinder head bolts and plate washers.

HINT:
- The cylinder head bolts are tightened in 3 progressive steps.
- If any cylinder head bolt is broken or deformed, replace it.

GApply 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.

Step 1:

(1) Using a 10 mm bi-hexagon wrench, install and uniformly tighten the 8 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)
If any one of the cylinder head bolts does not meet the torque specification, replace the cylinder head bolt.

Step 2:

Install the 2 bolts in the order shown in the illustration.
(1) Apply a light coat of engine oil to the threads of the cylinder head bolts.
(2) Install the 2 cylinder head bolts. Using several steps, tighten the bolts uniformly in the sequence shown in the illustration.
Torque: 30 Nm (306 kgf-cm, 22 ft-lbf)

CAMSHAFT (BANK 1)

Uniformly install the 16 bolts in several steps in the order shown in the illustration.
For 10 mm head - Torque: 9.0 Nm (92 kgf-cm, 80 in-lbf)
For 12 mm head - Torque: 24 Nm (245 kgf-cm, 18 ft-lbf)

Using a wrench, turn the camshafts clockwise until the camshaft knock pin is at a position 90° to the cylinder head.

CAMSHAFT (BANK 2)

Uniformly install the 16 bolts in several steps in the order shown in the illustration.
For 10 mm head - Torque: 9.0 Nm (92 kgf-cm, 80 in-lbf)
For 12 mm head - Torque: 24 Nm (245 kgf-cm, 18 ft-lbf)

CAMSHAFT TIMING GEARS AND NO. 2 CHAIN (for Bank 1)

Hold the hexagonal portion of the camshaft with a wrench, and tighten the 2 bolts.
Torque: 100 Nm (1020 kgf-cm, 74 ft-lbf)

CAMSHAFT TIMING GEARS AND NO. 2 CHAIN (for Bank 2)

Hold the hexagonal portion of the camshaft with a wrench, and tighten the 2 bolts.
Torque: 100 Nm (1020 kgf-cm, 74 ft-lbf)

INTAKE MANIFOLD SUB-ASSEMBLY

Install and uniformly tighten the 10 bolts in several passes.
Torque: 26 Nm (265 kgf-cm, 19 ft-lbf)

HINT: Tighten the inner installation bolts of the intake manifold before tightening the outer bolts.

EXHAUST MANIFOLD LH

Install the exhaust manifold with 6 new nuts.
Torque: 21 Nm (214 kgf-cm, 15 ft-lbf)

EXHAUST MANIFOLD RH

Install the exhaust manifold with 6 new nuts.
Torque: 21 Nm (214 kgf-cm, 15 ft-lbf)