All block head bolts must always be replaced after removal. Tightening the cylinder head bolts is not required.
2. Lubricate the threads and bolt heads from the underside with engine oil.
Pic. 1.13
3. To shrink the gasket, tighten all the bolts to torque A, then tighten the bolt heads by an angle a in the order shown below.
4. Wait 3 minutes for the gasket to shrink.
5. Loosen bolts 1-2 completely.
6. Tighten bolts 1-2 to torque B, then tighten them by angle β.
7. Repeat the loosening and re-tightening procedures for bolts 3-4, 5-6, 7-8, 9-10.