Water Pump Cleaning and Inspection
WARNING: This page is about a different variant/trim than selected.
 Courtesy of GENERAL MOTORS COMPANY
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Clean the water pump assembly (1).
- Clean the water pump mating surfaces.
- Inspect the water pump gear for damage.
- Inspect the water pump mating surfaces for damage.
- Inspect the water pump shaft for looseness.
- Inspect the water pump assembly for damage.
- Replace the water pump if any damage is found.