GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 38185 Hose Clamp Pliers

Removal Procedure

  1. Drain the cooling system. Refer to Cooling System Draining and Filling .
  2. Important: Use the J 38185 to gently release tension on the hose clamp until the hose clamp lock feature engages allowing removal of the hose.


    Object Number: 825403  Size: SH
  3. Release tension from the hose clamp at the water pump housing using the J 38185 .
  4. Disconnect the radiator outlet hose from the water pump housing.
  5. Release tension from the hose clamp at the radiator using the J 38185 .
  6. Disconnect the radiator outlet hose from the radiator.
  7. Remove the radiator outlet hose.

Installation Procedure


    Object Number: 825403  Size: SH
  1. Install the outlet hose.
  2. Connect the outlet hose to the radiator.
  3. Important: Release the hose clamp retention lock by using a small flat bladed screwdriver.

  4. Release the hose clamp retention lock at the radiator to secure the hose.
  5. Connect the outlet hose to the water pump housing.
  6. Release the hose clamp retention lock at the water pump housing to secure the hose.
  7. Fill the cooling system. Refer to Cooling System Draining and Filling .