Intake Manifold Cleaning and Inspection

WARNING: This page is about a different variant/trim than selected.

Clean the intake manifold crossover.

Fig 1: Identifying Intake Manifold Crossover Cleaning Areas
Courtesy of GENERAL MOTORS CORP.
Clean the intake manifold mating surfaces.
Clean the intake manifolds.
Clean the intake manifold mating surfaces.
Inspect the intake manifolds for cracks.

Fig 2: Identifying Intake Manifold Inspection Areas
Courtesy of GENERAL MOTORS CORP.
Inspect the intake manifold mating surfaces for damage.
Replace the intake manifolds if any damage is found.