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 11.3 mm (0.44 in.), replace the cylinder head bolt.


Cylinder head





1st 29 N-m (3.0 kgf-m, 22 ft lb)
2nd 90 °
3rd 90 °
If you are using a new cylinder head bolt, tighten the bolt an extra 90 °


Intake manifold components

Injector Base 22 Nm (2.2 kgf-m, 16 ft lb)





Tighten the bolts/nuts in a crisscross pattern in three steps, beginning with the inner nuts

Intake Manifold








Tighten the bolts and nuts sequentially in three steps.

Upper Cover








Tighten the bolts and nuts sequentially in three steps.


Camshaft pulley
Torque 90 Nm (9.2 kgf-m, 68 ft lb)