GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Drain the engine coolant. Refer to Cooling System Draining and Filling .
  2. Remove the intake manifold. Refer to Intake Manifold Replacement in Engine Mechanical.
  3. Remove the radiator inlet hose. Refer to Radiator Inlet Hose Replacement .
  4. Remove the radiator outlet hose. Refer to Radiator Outlet Hose Replacement .
  5. Remove the thermostat housing. Refer to Engine Coolant Thermostat Housing Replacement .

  6. Object Number: 724023  Size: SH
  7. Remove the water outlet tube (1) and O-rings (2).

Installation Procedure


    Object Number: 724023  Size: SH
  1. Install the water outlet tube (1) with new O-rings (2).
  2. Install the thermostat housing. Refer to Engine Coolant Thermostat Housing Replacement .
  3. Install the radiator outlet hose. Refer to Radiator Outlet Hose Replacement .
  4. Install the radiator inlet hose. Refer to Radiator Inlet Hose Replacement .
  5. Install the intake manifold. Refer to Intake Manifold Replacement in Engine Mechanical.
  6. Refill the engine coolant. Refer to Cooling System Draining and Filling .