Cylinder Head Assembly: Specifications

Cylinder Head Warpage





Maximum warpage





Cylinder Head Set Bolt
Standard outside diameter 9.770 to 9.960 mm (0.3846 to 0.3921 inch)
Minimum outside diameter 9.70 mm (0.3819 inch)

Cylinder Head Torque and Sequence
RH
Apply a light coat of engine oil on the threads and under the head of the cylinder head bolts.





Install and uniformly tighten the 10 cylinder head bolts, and plate washers in the sequence shown in the illustration.
Torque 59 Nm (601 kgf-cm, 44 ft. lbs.)





Mark the front of the cylinder head bolt's head with paint.
Retighten the cylinder head bolts by 90° in the sequence shown.

LH
Apply a light coat of engine oil on the threads and under the head of the cylinder head bolts.





Install and uniformly tighten the 10 cylinder head bolts, and plate washers in the sequence shown in the illustration.
Torque 59 Nm (601 kgf-cm, 44 ft. lbs.)





Mark the front of the cylinder head bolt's head with paint.
Retighten the cylinder head bolts by 90° in the sequence shown in the illustration.





Install and uniformly tighten the 10 cylinder head bolts, and plate washers in the sequence shown in the illustration.
Torque 59 Nm (601 kgf-cm, 44 ft. lbs.)





Mark the front of the cylinder head bolt's head with paint.
Retighten the cylinder head bolts by 90° in the sequence shown in the illustration.

Cylinder Head Cover Torque
RH
Install the cylinder head cover with the 9 bolts. Uniformly tighten the bolts in several passes.
Torque 6.0 Nm (61 kgf-cm, 53 inch lbs.)

LH
Install the cylinder head cover with the 9 bolts. Uniformly tighten the bolts in several passes.
Torque 6.0 Nm (61 kgf-cm, 53 inch lbs.)

Camshaft Bearing Torque and Sequence
RH





Install the other bearing caps in the sequence shown with the arrow mark facing forward.





Install 4 new seal washers to the bearing cap bolts (1 to 4).
Apply a light coat of engine oil on the threads and under the heads of the bearing cap bolts (5 to 22).
Install the oil feed pipe with the 22 bearing cap bolts.
Uniformly tighten the 22 bearing cap bolts in several passes, in the sequence shown in the illustration.
Torque:
7.5 Nm (76 kgf-cm, 66 inch lbs.) for bolts 21 and 22
16 Nm (163 kgf-cm, 12 ft. lbs.) for other bolts

LH





Apply seal packing to the bearing cap as shown in the illustration.
Seal packing: Part No. 08826-00080 or equivalent
Seal width 1.5 to 2.0 mm (0.059 to 0.079 inch)





Install the front bearing cap.

HINT: Installing the front bearing cap will determine the thrust portion of the camshaft.

Install the other bearing caps in the sequence shown with the arrow mark facing forward.





Install 4 new seal washers to the bearing cap bolts (1 to 4).
Apply a light coat of engine oil on the threads and under the heads of the bearing cap bolts (5 to 22).

NOTICE: Do not apply engine oil under the heads of the bearing cap bolts (1 to 4).

Install the oil feed pipe and the 22 bearing cap bolts.
Uniformly tighten the 22 bearing cap bolts in several passes in the sequence shown in the illustration.
Torque:
7.5 Nm (76 kgf-cm, 66 inch lbs.) for bolts 21 and 22
m16 Nm (163 kgf-cm, 12 ft. lbs.) for other bolts





Exhaust Manifold Sub-assembly
Install the exhaust manifold with the 8 nuts. Uniformly tighten the nuts in several passes.
Torque 44 Nm (449 kgf-cm, 32 ft. lbs.)