GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 142121  Size: SH
  1. Drain the cooling system. Refer to Cooling System Draining and Filling .
  2. Remove the radiator inlet hose from the radiator.
  3. Remove the inlet hose from the thermostat housing extension (1).
  4. Remove the inlet hose.

Installation Procedure


    Object Number: 142121  Size: SH
  1. Install the radiator inlet hose.
  2. Install the radiator inlet hose to the thermostat housing extension (1).
  3. Install the radiator inlet hose to the radiator.
  4. Fill the cooling system. Refer to Cooling System Draining and Filling .