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Water Pump Cleaning and Inspection

WARNING: This page is about a different car, the 2005 Buick LaCrosse and 2005 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Removing/Inspecting/Installing Water Pump & Components
    GM187022Courtesy of GENERAL MOTORS CORP.
  1. Clean the water pump mating surface.
  2. Clean the water pump.
  3. Inspect the water pump shaft for looseness.
  4. Inspect the water pump vanes for damage.
  5. Inspect the water pump mating surfaces for nicks.
  6. Repair or replace the water pump as necessary.
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