Intake Manifold
Intake Manifold Collector (Upper)^ If stud bolts were removed, install them and tighten to the specified torque.
Tightening Torque 4.9 - 6.9 Nm (0.5 - 0.7 kg-m, 44 - 61 inch lbs.)
^ Shank length under bolt head varies with bolt location. Install mounting bolts while referring to numbers shown and in the figure. (Bolt length does not include pilot portion.)
Bolt
M6 x 25 mm (0.98 inch): 7, 8, 10, 11, 13, 14, 15, 16, 18
M6 x 45 mm (1.77 inch): 2, 4, 5
M6 x 60 mm (2.36 inch): 1, 3, 6, 9
M6 Nut: 12, 17
^ Tighten mounting bolts in numerical order as shown in the figure.
Intake Manifold
^ If stud bolts were removed, install them and tighten to the specified torque.
Tightening Torque 9.8 - 11.8 Nm (1.0 - 1.2 kg-m, 87 - 104 inch lbs.)
^ Tighten all mounting nuts and bolts to the specified torque in two or more steps in numerical order shown in the figure.
1st step:
Tightening Torque 4.9 - 9.8 Nm (0.5 - 1.0 kg-m, 4 - 7 ft. lbs.)
2nd step and after:
Tightening Torque 26.5 - 31.4 Nm (2.7 - 3.2 kg-m, 20 - 23 ft. lbs.)