Water Pump Cleaning and Inspection

WARNING: This page is about a different car, the 2002 Pontiac Firebird and 2002 Chevrolet Camaro. However, it is still accessible from the selected car via links, so may be relevant.

Clean the water pump mating surface.
Clean the water pump.
Inspect the water pump shaft for looseness.
Inspect the water pump vanes for damage.
Inspect the water pump mating surfaces for nicks.
Repair or replace the water pump as necessary.

Fig 1: Cleaning And Inspecting Water Pump
Courtesy of GENERAL MOTORS CORP.