GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Buick
🢒
1997
🢒
Century
🢒
Engine
🢒
Engine Mechanical - 3.1L and 3.4L
🢒 Lower Intake Manifold Cleaning and Inspection
Clean the lower intake manifold gasket surfaces.
Clean the injector bores.
Clean the injector nozzles.
Clean the lower intake manifold bolts and studs.