Cylinder Head Assembly: Specifications

CYLINDER HEAD SET BOLT
a. Using a vernier caliper, measure the tension portion diameter of the bolt.
Specified outside diameter: 8.75 to 9.05 mm (0.3445 to 0.3563 inch)
If the diameter is less than the minimum, replace the bolt.





CYLINDER HEAD FLATNESS
a. Using a precision straight edge and a feeler gauge, mea sure the surface contacting the cylinder block and the manifolds for warpage.





Maximum warpage

If the warpage is greater than the maximum, replace the cylinder head.









CYLINDER HEAD SUB-ASSEMBLY
a. Apply a light coat of engine oil on the threads of the cylinder head bolts.
b. Install the plate washers to the cylinder head bolts.
c. Uniformly install and tighten the 8 cylinder head bolts in the sequence shown in the illustration.
Torque: 54 Nm (550 kgf-cm, 40 ft. lbs.)





d. Mark the front side of each cylinder head bolt head with paint as shown in the illustration.
e. Retighten the cylinder head bolts by 90° in the same sequence as step (c).
f. Check that each painted mark is now at a 90° angle to the front.








g. Using a socket hexagon wrench 8, install the hexagon bolt.
Torque: 19 Nm (189 kgf-cm, 14 ft. lbs.)





INTAKE MANIFOLD
a. Install the intake manifold with the 9 bolts, 2 nuts and 2 washers. Uniformly tighten the bolts and nuts in the sequence shown in the illustration.
Torque: 15 Nm (153 kgf-cm, 11 ft. lbs.)
b. Retighten the water outlet mounting bolts and nuts.
Torque: 15 Nm (153 kgf-cm, 11 ft. lbs.)
c. Install the ground cable with the nut.
Torque: 8.4 Nm (86 kgf-cm, 74 inch lbs.)
d. Connect the heater inlet water hose.





EXHAUST MANIFOLD CONVERTER SUB-ASSEMBLY NO.2
a. Install a new gasket and the converter sub-assembly No. 2 with the 7 nuts. Uniformly, tighten the 7 nuts in the sequence shown in the illustration.
Torque: 49 Nm (500 kgf-cm, 36 ft. lbs.)
b. Retighten nuts 1 and 2 as shown in the illustration.