86. Intake Manifold Installation - Lower

Intake Manifold Installation - Lower (L32)





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) to the bolt threads.





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

Notice: Refer to Fastener Notice in Service Precautions.