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. Object Number: 48320  Size: SH
  4. Using the J 38185 reposition the radiator inlet hose clamp from the radiator.
  5. Using the J 38185 reposition the radiator inlet hose clamp from the thermostat housing.
  6. Remove the radiator inlet hose.

Installation Procedure


    Object Number: 48320  Size: SH
  1. Install the radiator inlet hose to the thermostat housing.
  2. Using the J 38185 reposition the radiator inlet hose clamp to the thermostat housing.
  3. Install the radiator inlet hose to the radiator.
  4. Using the J 38185 reposition the radiator inlet hose clamp to the radiator.
  5. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement in Engine Controls - 4.3L.
  6. Fill the cooling system. Refer to. Cooling System Draining and Filling .