Removal Procedure
WARNING: This page is about a different car, the 2005 Buick LaCrosse and 2005 Buick Allure. 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 (LY7) or Draining and Filling Cooling System (L26) .
- Remove the radiator drain plug by unscrewing counter clockwise and pulling straight out. The seal usually comes out attached to the plug.
- Clean the drain and the drain plug.