GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 339454  Size: SH
  1. Drain cooling system. Refer to Cooling System Draining and Filling .
  2. Turn the drain cock.
  3. Remove the drain cock.

Installation Procedure


    Object Number: 339454  Size: SH
  1. Install The drain cock.
  2. Fill the cooling system. Refer to Cooling System Draining and Filling .