Intake Manifold Torque Specifications

LOWER INTAKE MANIFOLD
Tighten the intake manifold mounting nuts one bank after the other by using the following procedures:
- Tighten nuts "R" to 6.4 Nm (56 in. lbs.)
- Tighten nuts "L" to 21 Nm (185 in. lbs.)
- Tighten nuts "R" to 21 Nm (185 in. lbs.)
- Tighten nuts "L" again to 21 Nm (185 in. lbs.)
- Tighten nuts "R" again to 21 Nm (185 in. lbs.)






UPPER INTAKE MANIFOLD
Install manifold bolts and tighten to 18 Nm (160 in. lbs.).