Intake Manifold: Specifications

Lower Intake Manifold bolts.

Important: Manufacturer recommends the center bolts be fully torqued before the diagonal bolts to assure proper seal ability.

Important: Lower intake manifold bolts in location 6 and 7 should be torqued to specification using a crows foot type tool.

Lower Intake Manifold Bolt - Center
Tighten the lower intake manifold bolts (1, 2, 3, 4) in sequence.
Tighten the lower intake manifold bolts (5, 6, 7, 8) in sequence.
First Pass 7 Nm (62 inch lbs.)
First Pass 13 Nm (115 inch lbs.)
Lower Intake Manifold Bolt - Corner
Tighten the lower intake manifold bolts (1, 2, 3, 4) in sequence.
Tighten the lower intake manifold bolts (5, 6, 7, 8) in sequence.
Final Pass 13 Nm (115 inch lbs.)
Final Pass 25 Nm (18 ft. lbs.)
Upper Intake Manifold Bolt/Stud 25 Nm (18 ft. lbs.
Intake Manifold Coolant Pipe Bolt 10 Nm (89 inch lbs.)
Throttle Body Bolt/Stud 25 Nm (18 ft. lbs)