90. Intake Manifold Installation
Intake Manifold Installation Lower1. Install the lower intake manifold gasket.
2. Install the lower intake manifold.
3. Apply Threadlocker 272 GM P/N United States 12345493, GM P/N Canada 10953488 to the bolt threads.
Notice: Refer to Fastener Notice in Service Precautions.
Fastener Notice
4. Install the lower intake manifold bolts including the two hidden bolts.
- Tighten the bolts in sequence to 15 Nm (1.1 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.).