System Specifications

Cylinder Head Bolts





Tighten all bolts to 29 Nm (3.0 kgf-m, 22 ft. lbs.) in alphabetical sequence.
Tighten all bolts to 69 Nm (7.0 kgf-m, 51 ft. lbs.) in alphabetical sequence.
Loosen all the bolts by 180° in the reverse order of tightening, and loosen them again by 180°.
Tighten all bolts to 49 Nm (5.0 kgf-m, 36 ft. lbs.) in alphabetical sequence.
Tighten all bolts by 80 to 90° in alphabetical sequence.
Tighten all bolts by 40 to 45° in alphabetical sequence.

CAUTION: Do not tighten the bolts more than 45°.

Further tighten the bolts (A) and (B) by 40 to 45°.

CAUTION: Make sure the total "re-tightening angle" of the previous step does not exceed 90°.

Warpage
Service limit 0.035 mm (0.0014 inch)
Grinding limit 0.3 mm (0.012 inch)

Camshaft Bearing Cap





Gradually tighten the camshaft cap and oil control valve assembly in at least two stages in alphabetical sequence shown in the figure, and then tighten to specified torque.

Tightening torque:
T1 10 Nm (1.0 kgf-m, 7.2 ft. lbs.)
T2 20 Nm (2.0 kgf-m, 14.5 ft. lbs.)

Cam Sprocket 30 Nm (3.0 kgf-m, 21.8 ft. lbs.)

Exhaust Manifold 40 Nm (4.0 kgf-m, 28.9 ft. lbs.)