85. Intake Manifold Installation - Lower

Intake Manifold Installation - Lower (L26)





1. Clean the lower intake manifold sealing surface using GM P/N 12346139 (Canadian P/N 10953463) or equivalent prior to installing any seals or gaskets.
2. Install the lower intake manifold gasket.
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.

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

Notice: Refer to Fastener Notice in Service Precautions.






6. Install the generator brace bracket (571).
7. Install the generator brace bracket bolts (569, 570).
Tighten the generator brace bracket bolts to 50 Nm (37 ft. lbs.).