Cylinder Head Assembly

CYLINDER HEAD SUB-ASSEMBLY RH

Step 1
Using a 10 mm bi-hexagon wrench, install and uniformly tighten the 8 cylinder head bolts with the plate washers in several steps and in the sequence shown in the illustration.

Torque 36 Nm (367 kgf-cm, 27 ft-lbf)

Step 2
Mark the cylinder head bolt head with paint as shown in the illustration.
Tighten the cylinder head bolts another 90°.

Step 3
Tighten the cylinder head bolts by an additional 90°.
Check that the painted mark is now facing rearward.

CYLINDER HEAD SUB-ASSEMBLY LH

Step 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)

Tighten the 2 bolts in the order shown in the illustration.

Torque 30 Nm (306 kgf-cm, 22 ft-lbf)

CYLINDER HEAD SET BOLT

CYLINDER HEAD SURFACE VARIATION

INTAKE MANIFOLD

Install and tighten the 6 bolts and 4 nuts uniformly in several steps.

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

INTAKE AIR SURGE TANK

NOTE: Do not apply oil to the bolts as listed below:

(a) Install a new gasket to the intake air surge tank.
(b) Using a 5 mm hexagon socket wrench, install the 4 bolts. (*1)
Torque: 18 Nm (184 kgf-cm, 13 ft-lbf)
(c) Install the intake air surge tank with the 2 nuts and 2 bolts. (*2)
Nut - Torque: 16 Nm (163 kgf-cm, 12 ft-lbf)
Bolt - Torque: 21 Nm (214 kgf-cm, 15 ft-lbf)

CAMSHAFT BEARING CAP RH

Temporarily tighten the 8 bolts in the order shown in the illustration.

Torque 10 Nm (102 kgf-cm, 7 ft-lbf)

INSTALL CAMSHAFT HOUSING SUB-ASSEMBLY RH

(a) Apply seal packing in a continuous bead as shown in the illustration.
Seal packing:
Toyota Genuine Seal Packing Black, Three Bond 1207B or equivalent
Seal diameter:
3.5 to 4.5 mm (0.138 to 0.177 in.)

(b) Install the camshaft housing sub-assembly RH and tighten the 13 bolts in the order shown in the illustration.
Torque: 28 Nm (286 kgf-cm, 21 ft-lbf)

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

CAMSHAFT BEARING CAP LH

Temporarily tighten the 8 bolts in the order shown in the illustration.

Torque 10 Nm (102 kgf-cm, 7 ft-lbf)

INSTALL CAMSHAFT HOUSING SUB-ASSEMBLY LH

(b) Install the camshaft housing sub-assembly LH and tighten the 13 bolts in the order shown in the illustration.
Torque: 28 Nm (286 kgf-cm, 21 ft-lbf)

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

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

Torque 100 Nm (1,020 kgf-cm, 74 ft-lbf)

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

Torque 100 Nm (1,020 kgf-cm, 74 ft-lbf)

EXHAUST MANIFOLD SUB-ASSEMBLY LH

Install the exhaust manifold sub-assembly LH with the 6 nuts.

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

EXHAUST MANIFOLD SUB-ASSEMBLY RH

Install the exhaust manifold sub-assembly RH with the 6 nuts.

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