Cylinder Head

NOTE: Head Bolts are reusable.

Cylinder Head

Install cylinder head bolts

Tightening torque 23 - 27 Nm (2.3 - 2.7 kgf.m, 17 - 20 lb-ft) + (58°~62°) + (43°~47°)

(1) Apply a light coat if engine oil on the threads and under the heads of the cylinder head bolts.
(2) Install the plate washer to the cylinder head bolt.
(3) Install and uniformly tighten the cylinder head bolts on each cylinder head in several passes and in the sequence shown, then repeat for the other side, as shown.




If only one of the cylinder head bolts dose not meet the torque specification, replace the cylinder head bolt.

Tightening torque 23 - 27 Nm (2.3 - 2.7 kgf.m, 17 - 20 lb-ft) + (58°~62°) + (43°~47°)




(4) Retighten the cylinder head bolts by 60° in the numerical order shown.
(5) Retighten the cylinder head bolts by 45° in the numerical order shown.

Cylinder Head Surface Variation






Flatness of cylinder head gasket surface

Standard Less than 0.03 mm(0.0012 in.)
Limit 0.05 mm ( 0.0020 in.)