GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 457901  Size: SH
  1. Drain the cooling system. Refer to Cooling System Draining and Filling .
  2. Remove the radiator drain cock.

Installation Procedure


    Object Number: 457901  Size: SH
  1. Install the radiator drain cock.
  2. Fill the cooling system. Refer to Cooling System Draining and Filling .