Century V6-3.1L VIN J (2005)
12. Remove the Manifold Absolute Pressure (MAP) sensor and the bracket.
13. Remove the Exhaust Gas Recirculation (EGR) valve.
14. Remove the upper intake manifold bolts and the stud.
15. Remove the upper intake manifold.
16. Remove the upper intake manifold gaskets.
17. If replacing the upper intake manifold, remove the throttle body.
18. Clean the upper intake gasket mating surfaces.
Installation Procedure
1. If removed, install the throttle body.