Intake Manifold (Upper): Installation

1. Ensure sealing surfaces, bolt threads and bolt holes are clean. Install manifold and gaskets.
2. Coat bolt threads with thread locking compound. Tighten intake manifold bolts in sequence to specification. See Fig 1 and Fig 2 . See TORQUE SPECIFICATIONS . Lubricate fuel rail "O" rings with engine oil. To complete installation, reverse removal procedure. Fill and bleed cooling system. See COOLING SYSTEM BLEEDING .

Fig 1: Upper Intake Manifold Bolt Tightening Sequence ("F" Body)

Courtesy of GENERAL MOTORS CORP.

Fig 2: Upper Intake Manifold Bolt Tightening Sequence (Except "F" Body)

Courtesy of GENERAL MOTORS CORP.