Camshaft Housing

After applying engine oil to housing bolts, tighten them temporarily first. Then tighten them by the following sequence as shown in the figure.
Tighten a little at a time and evenly among bolts and repeat tightening sequence 3 to 4 times before they are tightened to specified torque.
Tightening torque
Camshaft housing bolt (a): 11 Nm (1.1 kg-m, 8.0 ft. lbs.)