Impala V6-3.9L (2007)
Notice: Refer to Fastener Notice.
3. Install the intake manifold tuning valve seal, valve, and bolts.
Tighten the bolts to 10 N.m (89 lb in).
4. Install NEW upper to lower intake manifold gaskets.
5. Install the upper intake manifold onto the lower intake manifold.
6. Apply threadlock to the upper intake manifold bolts/stud threads. Refer to Sealers, Adhesives, and Lubricants for the 3.9L engine.
7. Install the upper intake manifold bolts and stud.
Tighten the bolts and stud to 25 N.m (18 lb ft).
8. Install the intake manifold cover ball stud nut to the intake manifold stud.
Tighten the nut to 5 N.m (44 lb in).
