Intake Manifold
UPPER INTAKE MANIFOLD
Prior to installing the upper intake manifold, verify that the four fuel rail bolts were not inadvertently loosened.
The bolts must tightened 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 studbolt 20 Nm (177 in. lbs.)
Install two upper intake manifold support brackets with two studbolts and two nuts.
Tighten the studbolts 20 Nm (177 in. lbs.)
Tighten the nuts 10 Nm (89 in. lbs.)
LOWER INTAKE MANIFOLD
If removed, install the fuel injectors and the fuel rail to the lower intake manifold.
Tighten the four bolts 7 Nm (62 in. lbs.)
Install the manifold attaching bolts,
Tighten 8 Nm (71 in. lbs.).