Intake Manifold

Lower Intake Tightening Sequence:

Lower Intake Manifold Bolt
First Pass in Sequence 3 Nm (27 inch lbs.)
Second Pass in Sequence 12 Nm (106 inch lbs.)
Final Pass in Sequence 15 Nm (11 ft. lbs.)

NOTE: No tightening sequence was supplied by the manufacturer for the upper intake manifold.

Upper Intake Manifold Stud
First Pass 5 Nm (44 inch lbs.)
Final Pass 9 Nm (80 inch lbs.)
Throttle Body Stud 9 Nm (80 inch lbs.)
Surface Flatness - Maximum 0.10 mm (0.004 inch)