GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 931332  Size: SH
  1. Drain the radiator. Refer to Cooling System Draining and Filling .
  2. Unscrew the drain plug from the radiator end tank. Then using a flat-bladed tool, gently pry the plug from the end tank.

Installation Procedure


    Object Number: 931332  Size: SH
  1. Install the drain plug into the end tank drain hole by snapping into place. Tighten using a flat-bladed tool.
  2. Fill the radiator. Refer to Cooling System Draining and Filling .