Lucerne V6-3.8L (2007)
4. Position and install the AIR feed tube to the throttle body stud.
5. Connect the AIR feed tube quick connect fitting (3) to the AIR shutoff and check valve.
6. Install the AIR feed tube bracket nut (2) to the throttle body stud.
Tighten the nut to 10 N.m (89 lb in).
7. Raise the vehicle.
8. Install the AIR shutoff and check valve pipe to exhaust manifold nuts (3).
Tighten the nuts to 10 N.m (89 lb in).
9. Install the intake manifold cover bracket (1) and bolts (2).
Tighten the bolts to 30 N.m (22 lb ft).
10. Lower the vehicle.