GM Service Manual Online
For 1990-2009 cars only

Radiator Inlet Hose Replacement 3.8LEngine

Removal Procedure


    Object Number: 208554  Size: SH
  1. Drain the cooling system. Refer to Cooling System Draining and Filling .
  2. Disconnect the intake air temperature sensor electrical connector.

  3. Object Number: 554755  Size: SH
  4. Loosen the intake air duct clamp.
  5. Remove the intake air duct resonator.

  6. Object Number: 221680  Size: SH
  7. Reposition the radiator inlet hose clamp from the water outlet.
  8. Remove the radiator inlet hose from the water outlet.

  9. Object Number: 349794  Size: SH
  10. Reposition the radiator inlet hose clamp from the radiator.
  11. Remove the radiator inlet hose (1) from the radiator.

Installation Procedure


    Object Number: 349794  Size: SH
  1. Install the radiator inlet hose (1) to the radiator.
  2. Reposition the radiator inlet hose clamp to the radiator.

  3. Object Number: 221680  Size: SH
  4. Install the radiator inlet hose to the water outlet.
  5. Reposition the radiator inlet hose clamp to the water outlet.

  6. Object Number: 554755  Size: SH
  7. Install the intake air duct resonator.
  8. Tighten the intake air duct clamp.

  9. Object Number: 208554  Size: SH
  10. Connect the intake air temperature sensor electrical connector.
  11. Fill the cooling system. Refer to Cooling System Draining and Filling .

Radiator Inlet Hose Replacement 5.7LEngine

Removal Procedure


    Object Number: 208553  Size: SH
  1. Drain the cooling system. Refer to Cooling System Draining and Filling .
  2. Disconnect the following electrical connectors:
  3. • Intake air temperature sensor
    • Mass airflow sensor

    Object Number: 208569  Size: SH
  4. Remove the air cleaner outlet duct.

  5. Object Number: 349797  Size: SH
  6. Reposition the radiator inlet hose clamp from the radiator.
  7. Remove the radiator inlet hose (1) from the radiator.

  8. Object Number: 221666  Size: SH
  9. Reposition the inlet hose clamps from the power steering cooler, if equipped.
  10. Remove the inlet hoses from the power steering cooler, if equipped.

  11. Object Number: 221676  Size: SH
  12. Reposition the radiator inlet hose clamp from the water pump.
  13. Remove the radiator inlet hose from the water pump.

Installation Procedure


    Object Number: 221676  Size: SH
  1. Install the radiator inlet hose to the water pump.
  2. Reposition the radiator inlet hose clamp to the water pump.

  3. Object Number: 221666  Size: SH
  4. Install the inlet hoses to the power steering cooler, if equipped.
  5. Reposition the radiator inlet hose clamps at the power steering cooler, if equipped.

  6. Object Number: 349797  Size: SH
  7. Install the radiator inlet hose (1) to the radiator.
  8. Reposition the inlet hose clamp to the radiator.

  9. Object Number: 208569  Size: SH
  10. Install the air cleaner outlet duct.

  11. Object Number: 208553  Size: SH
  12. Connect the following electrical connectors:
  13. • Intake air temperature sensor
    • Mass air flow sensor
  14. Fill the cooling system. Refer to Cooling System Draining and Filling .