Cylinder Head Assembly: Specifications

Camshaft bearing cap x Camshaft housing 16 Nm (163 kgf-cm, 12 ft.lbf)

Cylinder head x Cylinder block





1st 36 Nm 367 (kgf-cm, 27 ft.lbf)





2nd Turn 90° Nm (Turn 90° kgf-cm, Turn 90° ft.lbf)
3rd Turn 90° Nm (Turn 90° kgf-cm, Turn 90° ft.lbf)

Bank 1:

for 12 mm head 21 Nm (214 kgf-cm, 15 ft.lbf)

Cylinder head stud bolt 9.0 Nm (92 kgf-cm, 80 in.*lbf)

Camshaft timing gear x Camshaft 79 Nm (806 kgf-cm, 58 ft.lbf)
Camshaft timing exhaust gear x Camshaft 100 Nm (1020 kgf-cm, 74 ft.lbf)

Cylinder head
Warpage
Cylinder head lower side 0.05 mm (0.0020 in.)
Intake side
Standard 0.08 mm (0.0031 in.)
Exhaust side 0.05 mm (0.0020 in.)
-
Maximum 0.10 mm (0.0039 in.)

Cylinder head set bolt
Outside diameter
Standard 10.85 to 11.00 mm (0.427 to 0.433 in.)
Minimum 10.6 mm (0.417 in.)

Exhaust Manifold Torque Sequence:

Cylinder Head

Bank 1:

Bank 2:

Place the cylinder head gasket on the cylinder block surface with the Lot No. stamp facing upward.

HINT: The cylinder head bolts are tightened in 3 progressive steps.









Step 1

(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

(1) Mark each cylinder head bolt head 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.

(2) Check that the painted marks are now facing rearward.

Bank 1:

Uniformly install the 2 bolts in the sequence shown in the illustration.
Torque: 21 Nm (214 kgf-cm, 15 ft-lbf)

Exhaust Manifold
Torque: 21 Nm (214 kgf-cm, 15 ft-lbf)