GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Buick
🢒
2006
🢒
Terraza - 4WD
🢒
Engine
🢒
Engine Mechanical - 3.9L
🢒 Water Pump Cleaning and Inspection
Remove all gasket material from the sealing surface.
Inspect the water pump impeller for damage.
Inspect the water pump shaft for looseness.
Replace the water pump if necessary.