GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2003 🢒 Regal 🢒 Engine 🢒 Engine Mechanical - 3.8L 🢒 Water Pump Cleaning and Inspection

    Object Number: 187022 Size: SH
  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.