86. Intake Manifold Installation - Lower

Intake Manifold Installation - Lower





1. Install the lower intake manifold gasket.
2. Install the lower intake manifold.
3. Apply thread locker 272 GM P/N United States 12345493, GM P/N Canada 10953488 or the equivalent to the bolt threads.

Lower Intake Tightening Sequence:

Notice: Refer to Fastener Notice in Service Precautions.

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





5. Install the generator bracket.
6. Install the ignition control module bracket.
^ Tighten the ignition control module bracket bolts to 50 Nm (37 ft. lbs.).
7. Install the ignition control module and nuts.
^ Tighten the ignition control module nuts to 30 Nm (22 ft. lbs.).





8. Install engine lift hook bolt.
^ Tighten the engine lift hook bolt to 25 Nm (18 ft. lbs.).