Pic. 2.200. Tightening the cylinder head bolts
Loosen all bolts and tighten to rated torque (pic. 2.200).
The moment of an inhaling of bolts of fastening of a head of cylinders (engine temperature approx. 20°C): 25 Nm + (58–62°) + (43–47°).
When tightening the cylinder head bolts, a combined torque-angle tightening method is used.
Pic. 2.201. Cylinder head bolt tightening sequence
Bolts tighten in the sequence shown in figure 2.201.
Note. Warm up the engine to operating temperature. After the engine has cooled down, repeat the bolt tightening procedure.