Cylinder Head Assembly: Specifications

CYLINDER HEAD SUB-ASSEMBLY

The cylinder head bolts are tightened in 3 progressive steps.

Step 1:






Using a 10 mm bi-hexagon wrench, install and uniformly tighten the 10 cylinder head bolts in several steps, in the sequence shown in the illustration.

Torque 49 Nm (500 kgf-cm, 36 ft-lbf)

Do not drop the plate washers into the cylinder head.

Step 2:










Mark each cylinder head bolt head with paint as shown in the illustration.
Tighten the cylinder head bolts 90° in the sequence shown in step 1.

Step 3:

Tighten the cylinder head bolts another 45° in the sequence shown in step 1.
Check that the paint mark is now at a 135° angle to the front.

Cylinder Head Specifications






CYLINDER HEAD SET BOLT

Using a vernier caliper, measure the length of the cylinder head set bolt from the seat to the end.










Standard Length 146.8 to 148.2 mm (5.78 to 5.83 in.)

Maximum Length 149.2 mm (5.87 in.)

If the length is more than the maximum, replace the cylinder head set bolt.

Using a vernier caliper, measure the diameter of the elongated thread at the measurement point.

Measurement Point 115 mm (4.53 in.)

Standard Diameter 9.77 to 9.96 mm (0.385 to 0.392 in.)

Minimum Diameter 9.4 mm (0.370 in.)

BEARING CAP

Tighten the 10 bolts in the order shown in the illustration.






Torque 16 Nm (163 kgf-cm, 12 ft-lbf)

CAMSHAFT HOUSING SUB-ASSEMBLY






Install the camshaft housing with the 17 bolts and tighten them in the order shown in the illustration.

Torque 27 Nm (275 kgf-cm, 20 ft-lbf)

INTAKE MANIFOLD TORQUE AND SEQUENCE Specifications

EXHAUST MANIFOLD TORQUE AND SEQUENCE Specifications

CAMSHAFT GEAR/SPROCKET TORQUE Specifications