87. Intake Manifold Installation - Lower

Intake Manifold Installation - Lower





1. Install the lower intake manifold gaskets and seals.
2. Apply a drop of RTV GM P/N 12378479 (Canadian P/N 10953472) or equivalent to the four corners where the gaskets and seals meet.
3. Install the lower intake manifold.
4. Apply threadlocker 272 GM P/N 12345493 (Canadian P/N 10953488) or the equivalent to the bolt threads.

Notice: Refer to Fastener Notice in Service Precautions.

5. Install the lower intake manifold bolts.
^ Tighten the lower intake manifold bolts in sequence to 15 Nm (11 ft. lbs.).