GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Buick
🢒
2007
🢒
Lucerne
🢒
Engine
🢒
Engine Mechanical - 3.8L
🢒 Upper Intake Manifold Cleaning and Inspection
•
Clean the upper intake manifold mating surfaces.
•
Clean the upper intake manifold.
•
Inspect the upper intake manifold for damage.
•
Replace the upper intake manifold as necessary.