GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Partially drain the engine coolant. Refer to Cooling System Draining and Filling .

  2. Object Number: 71659  Size: SH
  3. Remove the coolant hose from the radiator.
  4. Remove the coolant hose from the thermostat housing or the coolant pump.
  5. Remove the coolant hose from the vehicle.

  6. Object Number: 160876  Size: SH
  7. On the 6.5L diesel remove the surge tank outlet hose from the lower coolant hose.

Installation Procedure


    Object Number: 160876  Size: SH
  1. On the 6.5L diesel, install the surge tank outlet hose to the lower coolant hose.

  2. Object Number: 71659  Size: SH
  3. Install the coolant hose to the coolant pump or the thermostat housing.
  4. Install the coolant hose to the radiator.
  5. Refill the engine coolant. Refer to Cooling System Draining and Filling .