Operation CHARM: Car repair manuals for everyone.

Tightening Torques and Sequences

Cylinder head bolts





Measure the diameter of each cylinder head bolt at point A and point B.
If either diameter is less than 10.6 mm (0.42 in.), replace the cylinder head bolt.





Tighten torque
1st 39 N-m (4.0 kgf-m, 29 ft lb)
2nd 90°
3rd 90°
If you are using a new cylinder head bolt, tighten the bolt an extra 90 °


Intake manifold
Torque 22 Nm (2.2 kgf-m, 16 ft lb)
Tighten the bolts and nuts in a crisscross pattern in three steps, beginning with the inner bolt


Camshaft bearing caps









Camshaft Pulley/Gear

VTC Actuator 113 N-m (11.5 kgf-m, 83 ft lb)
Exhaust Camshaft Sprocket 72 N-m (7.3 kgf-m, 53 ft lb)


Exhaust manifold
Torque 44 Nm (4.5 kgf-m, 33 ft lb)
Tighten the bolts and nuts in a crisscross pattern in three steps, beginning with the inner bolt