GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Buick
🢒
2000
🢒
Century (China)
🢒
Engine
🢒
Engine Mechanical - 2.5L (LB8) and 3.0L (L46)
🢒 Exhaust Manifold Cleaning and Inspection
Inspect the exhaust manifold mating surface for flatness.
Inspect the exhaust manifold for cracks or damage.
Replace the exhaust manifold if necessary.