Cylinder Head Assembly

Cylinder Head:

Cylinder Head





Camshaft Bearing Caps 12 Nm (105 in. lbs.)

Camshaft Sprocket-Bolt 115 Nm (85 ft. lbs.)





Exhaust Manifold-Bolts 23 Nm (200 in. lbs.)





Cylinder Head Bolt Re-Usability

NOTE: The Cylinder head bolts should be examined BEFORE reuse. If the threads are necked down, the bolts should be replaced.

Necking (1) can be checked by holding a scale or straight edge against the threads. If all the threads do not contact the scale (2), the bolt should be replaced.





Cylinder Head Bolt
First: All to 34 Nm (25 ft. lbs.)
Second: All to 82 Nm (60 ft. lbs.)
Third: All to 82 Nm (60 ft. lbs.)
CAUTION: Do not use a torque wrench for the Fourth step.
Fourth: Turn all bolts an additional 1/4 Turn

Intake Manifold Upper-Bolts 12 Nm (105 in. lbs.)
Intake Manifold Lower-Bolts 12 Nm (105 in. lbs.)





Intake Manifold Upper-Bolts
Position upper intake manifold on lower intake manifold.
Tighten upper intake manifold fasteners to 12 Nm (105 in. lbs.) in sequence shown.





Intake Manifold Lower-Bolts
Naturally Aspirated Engine: Install lower intake manifold.
Tighten fasteners to 12 Nm (105 in. lbs.) in sequence shown.

Turbocharged Engine: Install lower intake manifold.
If equipped with an aluminum manifold, tighten fasteners to 28 Nm (250 in. lbs.) in sequence shown.

If equipped with a plastic manifold,
Tighten fasteners to 12 Nm (105 in. lbs.) in sequence shown.

Cylinder Head Surface Variation:
Cylinder head must be flat within 0.1 mm (0.004 in.).