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. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement in Engine Controls-4.3L.
  3. Using the J 38185 reposition the radiator outlet hose clamp from the radiator.
  4. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  5. Using the J 38185 reposition the radiator outlet hose clamp from the water pump.

  6. Object Number: 48320  Size: SH
  7. Remove the outlet hose.

Installation Procedure


    Object Number: 48320  Size: SH
  1. Install the radiator outlet hose to the water pump.
  2. Using the J 38185 reposition the radiator outlet hose clamp to the water pump.
  3. Lower the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  4. Install the radiator outlet hose to radiator.
  5. Using the J 38185 reposition the radiator outlet hose clamp to the radiator.
  6. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement in Engine Controls-4.3L.
  7. Fill the cooling system. Refer to Cooling System Draining and Filling .