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.

Notice: Refer to Fastener Notice .

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 N.m (18 lb ft).




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