89. Intake Manifold Installation

1. Install the lower intake manifold gasket.
2. Install the lower intake manifold.
3. Apply Threadlocker 272 GM P/N 12345493 to the bolt threads.

Notice: Refer to Fastener Notice in Service Precautions.





4. Install the lower intake manifold bolts including the two hidden bolts.
Tighten the bolts in sequence to 15 Nm (11 ft. lbs.).





5. Install the EGR outlet pipe to the intake manifold.
6. Install the EGR outlet pipe bolt.
Tighten the EGR outlet pipe bolt to 29 Nm (21 ft. lbs.).