85. Intake Manifold Installation - Upper

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 in Service Precautions.

3. Install the upper intake manifold bolts and stud.

Tighten the upper intake manifold bolts and stud to 25 N.m (18 lb ft).

4. Install the exhaust gas recirculation (EGR) gasket and EGR.
5. Install the EGR bolts.

Tighten the EGR bolts to 30 N.m (22 lb ft).

6. Reconnect the manifold absolute pressure (MAP) sensor.