Camshaft Housing

After applying oil to housing bolts, tighten them temporarily first. Then tighten them by following sequence ("1" - "23") as shown in the figure. Tighten a little at a time and evenly among bolts and repeat tightening sequence 2 or 3 times before they are tightened to specified torque.
Tightening torque:
Camshaft housing bolt (a): 11 Nm (1.1 kg-m, 8.0 ft. lbs.)