Intake Manifold Tightening

Tighten intake manifold bolts in the sequence shown in the diagrams to 25-35 ft. lbs.

Fig 1: Identifying 283" & 327" Engines Intake Manifold Tightening Sequence

Courtesy of GENERAL MOTORS COMPANY

Fig 2: Identifying 396" & 427" Engines Intake Manifold Tightening Sequence

Courtesy of GENERAL MOTORS COMPANY