Astro Van 2WD V6-4.3L VIN X (2002)
27. If replacing the upper intake manifold, turn and remove the PCV valve cover from the upper intake manifold.
28. Remove and discard the seal.
29. Remove the throttle body if replacing the upper intake manifold.
30. Remove the MAP sensor if replacing the upper intake manifold.
Installation Procedure
1. Install the throttle body, if removed.
2. Install the MAP sensor, if removed.
3. Install the PCV valve cover, if removed, using the following procedure:
3.1.
Install a NEW seal (O-ring) on the PCV valve cover.
3.2.
Lubricate the seal with clean engine oil.
3.3.
Install the PCV valve cover in the upper intake manifold.
3.4.
Turn and lock the PCV valve cover in position.
