Intake Manifold Installation - Lower (L36)

WARNING: This page is about a different car, the 2002 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.

Install the lower intake manifold gasket.
Install the lower intake manifold.
Apply threadlocker 272 GM P/N United States 12345493, GM P/N Canada 10953488 or the equivalent to the bolt threads.
Install the lower intake manifold bolts.
Tighten:

Tighten the lower intake manifold bolts in sequence to 15 N.m (11 lb ft)

Fig 1: Lower Intake Manifold Bolt Tightening Sequence (L36)
Courtesy of GENERAL MOTORS CORP.
Install the EGR outlet pipe to the intake manifold.
Install the EGR outlet pipe bolt.
Tighten:

Tighten the EGR outlet pipe bolt to 29 N.m (21 lb ft)

Fig 2: EGR Outlet
Courtesy of GENERAL MOTORS CORP.