System Specifications

Cylinder Head Sub-Assembly LH





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 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 90° in the sequence shown in step 1.
Check that the painted marks are now facing rearward.





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

Cylinder Head Sub-Assembly RH





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 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 90° in the sequence shown in step 1.
Check that the painting marks are now facing rearward.





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

Stud Bolt

NOTE: If the stud bolts are deformed or their threads are damaged, replace them.

Using E7 and E8 "TORX" socket wrenches, install the stud bolts.
For stud bolts A, B, C and D
Torque: 9.0 Nm (92 kgf-cm, 80 in-lbf)





Cylinder Head Set Bolt





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

Measuring point:
90 mm (3.54 in.) for intake side bolt
85 mm (3.35 in.) for exhaust side bolt
Standard outside diameter:
10.85 to 11.00 mm (0.427 to 0.433 in.)
Minimum outside diameter:
10.6 mm (0.417 in.)
If the diameter is less than the minimum, replace the cylinder head set bolt.

HINT: If a visual check reveals no excessively thin areas, check the center of the bolt (see illustration) and find the area that has the lowest diameter.

Cylinder head warpage
Cylinder head lower side
Standard 0.05 mm (0.00197 in.)
Intake side
Standard 0.08 mm (0.00315 in.)
Exhaust side
Standard 0.05 mm (0.00197 in.)
Cylinder head warpage
Maximum 0.10 mm (0.00394 in.)

Intake Manifold





Uniformly tighten the bolts and nuts in the order shown in the illustration.
Torque: 21 Nm (214 kgf-cm, 15 ft-lbf)

Camshaft bearing cap LH & RH





Tighten the 8 bolts in the order shown in the illustration.
Torque: 16 Nm (163 kgf-cm, 12 ft-lbf)

Camshaft/Gear Sprocket





Exhaust Manifold LH





NOTE: Be careful of the installation direction.





Uniformly tighten 8 new nuts in several steps, in the sequence shown in the illustration.
Torque: 21 Nm (214 kgf-cm, 15 ft-lbf)





Exhaust Manifold RH





NOTE: Be careful of the installation direction.





Uniformly tighten 8 new nuts in several steps, in the sequence shown in the illustration.
Torque: 21 Nm (214 kgf-cm, 15 ft-lbf)