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Tightening the Cylinder Head<br />
Tightening the Cylinder Head (Turn-of-Nut Method)<br />
1. Tighten the bolts in the tightening sequence of 1 to 10 to a snug torque of 25N•m<br />
(2.5kgf•m).<br />
2. Retighten the bolts in the tightening sequence of 1 to 2 to a turn-of-nut angle of 145°±5°.<br />
3. Retighten the bolts in the tightening sequence of 3 to 7 to a turn-of-nut angle of 135°±5°.<br />
4. Retighten the bolts in the tightening sequence of 8 and 9 to a turn-of-nut angle of 160°±5°.<br />
5. Retighten the bolts in the tightening sequence of 10 to a turn-of-nut angle of 135°±5°.<br />
TIP<br />
The numbers 1 to 10 show the sequence in which the bolts are tightened.<br />
Apply engine oil to the bolt threads, contact surfaces, and washers.<br />
These numbers indicate the tightening sequence.<br />
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