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3-6 Cylinder head tightening
(calibrated wrench tightening method).
1. Temporarily tighten to 19.0 Nm (1.9 kgf•m) before tightening fully.
2. Following the tightening sequence, tighten to 67.0 Nm (6.8 kgf•m).
3. After tightening the nuts, tighten the M6 bolts to 12 Nm (1.2 kgf•m).
CAUTION :
The figures 1 to 10 indicate the tightening sequence.
Apply engine oil to the threads, seating surfaces, and washers.