GM Service Manual Online
For 1990-2009 cars only

Radiator Inlet Hose Replacement 4.8L, 5.3L, 6.0L Engines

Removal Procedure

  1. Remove the air inlet duct. Refer to Air Cleaner Assembly Replacement to in Engine Controls-4.8L, 5.3L, 6.0L.
  2. Drain the cooling system. Refer to Cooling System Draining and Filling .

  3. Object Number: 367723  Size: SH
  4. Remove the radiator inlet hose from the fan shroud clip.
  5. Remove the radiator inlet hose from the radiator.
  6. Remove the engine vent hose from the clip.

  7. Object Number: 366997  Size: SH
  8. Remove the radiator inlet hose from the water pump.
  9. Remove the radiator inlet hose.

Installation Procedure


    Object Number: 366997  Size: SH
  1. Install the radiator inlet hose to the water pump.

  2. Object Number: 367723  Size: SH
  3. Install the radiator inlet hose to the radiator.
  4. Install the engine vent hose to the clip.
  5. Install the radiator inlet hose to the fan shroud clip.
  6. Install the air inlet duct. Refer to Air Cleaner Assembly Replacement in Engine Controls-4.8L, 5.3L, 6.0L.
  7. Fill the cooling system. Refer to Cooling System Draining and Filling .
  8. Test the system for leaks. Refer to Cooling System Leak Testing .

Radiator Inlet Hose Replacement 4.3L Engine

Removal Procedure

  1. Drain the cooling system. Refer to Cooling System Draining and Filling .
  2. Remove the air inlet duct. Refer to Air Cleaner Assembly Replacement in Engine Controls-4.3L.

  3. Object Number: 366998  Size: SH
  4. Remove the radiator inlet hose from the support.
  5. Remove the radiator inlet hose from the radiator.

  6. Object Number: 367002  Size: SH
  7. Remove the radiator inlet hose from the thermostat housing.
  8. Remove the radiator inlet hose.

Installation Procedure


    Object Number: 367002  Size: SH
  1. Install the radiator inlet hose to the thermostat housing.

  2. Object Number: 366998  Size: SH
  3. Install the radiator inlet hose to the radiator.
  4. Install the radiator inlet hose to the support.
  5. Install the air inlet duct. Refer to Air Cleaner Assembly Replacement in Engine Controls-4.3L.
  6. Fill the cooling system. Refer to Cooling System Draining and Filling .
  7. Test the system for leaks. Refer to Cooling System Leak Testing .