88. Upper Intake Manifold Installation

Upper Intake Manifold Installation




1. Install the upper intake manifold gaskets and manifold.
2. Apply threadlock GM P/N 12345382 (Canadian P/N 10953489) or equivalent to the upper intake manifold bolt threads.

Caution: Refer to Fastener Caution (Fastener Caution).

3. Install the upper intake manifold bolts, stud, and manifold absolute pressure (MAP) sensor bracket. Tighten the upper intake manifold bolts and stud to 25 Nm (18 lb ft).




4. Install the foul air positive crankcase ventilation (PCV) tube.