Water Pump Cleaning and Inspection

WARNING: This page is about a different car, the 2004 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.

Clean the water pump mating surface.

Fig 1: Cleaning Water Pump

Courtesy of GENERAL MOTORS CORP.

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.