GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 185645  Size: SH
  1. Drain the engine cooling system. Refer to Cooling System Draining and Filling in Engine Cooling.
  2. Release the hose clamps (2) at the thermostat outlet and the radiator in order to remove the upper radiator hose.

Installation Procedure


    Object Number: 185645  Size: SH
  1. Install the upper radiator hose to the thermostat outlet and radiator.
  2. Secure the hose with hose clamps.
  3. Refill the engine cooling system. Refer to Cooling System Draining and Filling in Engine Cooling.