Intake Manifold: Specifications

INTAKE MANIFOLD

UPPER






Prior to installing the upper intake manifold, verify that the four fuel rail bolts were not inadvertently loosened.
The bolts must tightened in the sequence shown 7 Nm (62 in. lbs.)






Install the seven upper intake manifold attaching bolts.
Tighten the bolts in the sequence shown 8 Nm (71 in. lbs.)

Install two nuts to the upper intake manifold support bracket.
Tighten the nuts 10 Nm (89 in. lbs.).
Tighten the stud 20 Nm (15 ft. lbs.)






LOWER






Install the fuel injectors and the fuel rail to the lower intake manifold.
Tighten the four bolts in the sequence shown 7 Nm (62 in. lbs.)






Install and tighten the intake manifold retaining bolts in the sequence shown 8 Nm (71 in. lbs.)