Rendezvous FWD V6-3.5L VIN L (2006)
10. Install NEW upper intake manifold to lower intake manifold gaskets.
11. Install the upper intake manifold.
12. Apply threadlock GM P/N 12345382 (Canadian P/N 10953489), or equivalent to the upper intake manifold bolt threads.
13. Install the spark plug support bracket onto one bolt, install the bolt.
14. Install the other upper intake manifold bolts and stud.
Tighten the bolts/stud to 25 Nm (18 ft. lbs.).