Water Pump Cleaning and Inspection
WARNING: This page is about a different car, the 2003 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
- 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.
Courtesy of GENERAL MOTORS CORP.