GM Service Manual Online
For 1990-2009 cars only

Coolant Outlet Housing and Thermostat Removal for Buick Century 1997


    Object Number: 42231  Size: SH
  1. Remove the engine coolant temperature sensor wiring harness from the stud.
  2. Remove the coolant outlet housing bolts.
  3. Remove the coolant outlet housing.
  4. Remove the gasket.
  5. Remove the thermostat.