GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Buick
🢒
2006
🢒
Terraza - 4WD
🢒
Engine
🢒
Engine Mechanical - 3.9L
🢒 Upper Intake Manifold Removal
Remove the foul air positive crankcase ventilation (PCV) tube.
Remove the upper intake manifold bolts, stud, and manifold absolute pressure (MAP) sensor bracket.
Remove the upper intake manifold and gaskets.