Cylinder Head Assembly: Specifications

Cylinder Head





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.
Torque 25 Nm (250 kgf-cm, 18 ft. lbs.)
Retighten the cylinder head bolts by 60° in the numerical order shown.
Retighten the cylinder head bolts by 45° in the numerical order shown.

Cylinder head
Flatness of cylinder head surface Maximum 0.03 mm (0.0012 inch)
0.05 mm (0.0020 inch)
Flatness of manifold mounting surface
Intake Maximum 0.15 mm (0.0059 inch)
Limit 0.15 mm (0.0059 inch)
Exhaust Maximum 0.15 mm (0.0059 inch)
Limit 0.15 mm (0.0059 inch)







Intake Manifold


Camshaft Bearing Cap

Install the camshaft bearing caps (A).
Tightening torque
M6 (38 mm) 10 - 12 Nm (100 - 120 kgf-cm, 7 - 9 ft. lbs.)
M6 (50 mm) 14 - 16 Nm (140 - 160 kgf-cm, 10 - 12 ft. lbs.)

Exhaust Manifold Tightening torque 30 - 35 Nm (300 - 350 kgf-cm, 22 - 26 ft. lbs.)