Cylinder Head
Stage 1: Tighten to 40 Nm (30 ft. lbs.)
Stage 2: Tighten 90 degrees.
Stage 3: Loosen 360 degrees (one full turn) in reverse order.
Stage 4: Tighten to 40 Nm (30 ft. lbs.)
Stage 5: Tighten 90 degrees.
Stage 6: Tighten 90 degrees.
Tighten the nuts to 21 Nm (15 ft. lbs.) in the indicated sequence.