GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 721988  Size: SH
  1. Drain the cooling system. Refer to Cooling System Draining and Filling .
  2. Reposition the vent inlet hose clamp from the radiator.
  3. Remove the vent inlet hose from the radiator.
  4. Reposition the vent inlet hose clamp from the surge tank.
  5. Remove the vent inlet hose from the surge tank.

Installation Procedure


    Object Number: 721988  Size: SH
  1. Install the vent inlet hose to the surge tank.
  2. Reposition the vent inlet hose clamp to the surge tank.
  3. Install the vent inlet hose to the radiator.
  4. Reposition the vent inlet hose clamp to the radiator.
  5. Fill the cooling system. Refer to Cooling System Draining and Filling .