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Intake Manifold Replacement (Upper)|Page 2418 > < Intake Manifold Replacement (Upper)|Page 2416

Lumina V6-3.8L VIN K (1998)

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16. If the upper intake manifold is being replaced, remove the vacuum source manifold.

INSTALLATION PROCEDURE 

1. If the upper intake manifold is being replaced, install the vacuum source manifold.

2. If the upper intake manifold is being replaced, install the throttle body. Refer to Powertrain Management.
3. Install the upper-to-lower intake manifold seal.

Intake Manifold Replacement (Upper)|Page 2418 > < Intake Manifold Replacement (Upper)|Page 2416