63. Intake Manifold Installation

1. Install the intake manifold gasket.
2. Install the intake manifold.





Notice: Refer to Fastener Notice in Service Precautions.

3. Install the intake manifold bolts.

^ Tighten the bolts in sequence to 24 Nm (17 ft. lbs.).





4. Install the rear EGR port cover to the cylinder head.
5. Apply GM P/N 12345493 or equivalent to bolt threads.
6. Install the rear EGR port cover to cylinder head bolts.

^ Tighten the rear EGR port cover bolts to 11 Nm (97 inch lbs.).





7. Install the throttle body to the intake manifold.

^ Tighten the throttle body to intake manifold bolts to 10 Nm (89 inch lbs.).