Removal Procedure

WARNING: This page is about a different car, the 2002 Buick Regal and 2002 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.

Drain the cooling system. Refer to Draining and Filling Cooling System
Use the J 38185 in order to reposition the hose clamp at the water pump housing.
Disconnect the outlet hose from (3) the water pump housing (1).
Use the J 38185 in order to reposition the hose clamp at the radiator.
Disconnect the outlet hose (3) from the radiator (2).
Remove the outlet hose.

Fig 1: Outlet Hose, Water Pump Housing And Radiator
Courtesy of GENERAL MOTORS CORP.