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Cylinder Head

Tighten the cylinder head bolts.
Tighten all bolts to 29 Nm (3.0 kgf-m, 22 ft. lbs.) in alphabetical sequence. Then tighten all bolts to 69 Nm (7.0 kgf-m, 51 ft. lbs.) in alphabetical sequence.
Back off all bolts by 180° in reverse order of installation, and back them off again by 180°.
Tighten all bolts to 42 Nm (3.9 kgf-m, 31 ft. lbs.) in alphabetical sequence.
Tighten all bolts by 80° - 90° in alphabetical sequence.
Tighten all bolts by 40° - 45° in alphabetical sequence.

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





Further tighten bolts (a) and (b) by 40° - 45°.

NOTE: Ensure the total "re-tightening angle" in the [former two steps], do not exceed 90°.