GM Service Manual Online
For 1990-2009 cars only

Radiator Inlet Hose Replacement 3.8L

Removal Procedure

  1. Drain the cooling system. Refer to Cooling System Draining and Filling .

  2. Object Number: 208554  Size: SH
  3. Disconnect the intake air temperature (IAT) sensor electrical connector.

  4. Object Number: 208572  Size: SH
  5. Remove the air intake duct resonator.

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

  8. Object Number: 349794  Size: SH
  9. Remove the inlet hose (1) from the radiator.

Installation Procedure


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

  2. Object Number: 221680  Size: SH
  3. Install the inlet hose to the water outlet.

  4. Object Number: 208572  Size: SH
  5. Install the air intake duct resonator.

  6. Object Number: 208554  Size: SH
  7. Connect the IAT sensor electrical connector.
  8. Fill the cooling system. Refer to Cooling System Draining and Filling .

Radiator Inlet Hose Replacement 5.7L

Removal Procedure

  1. Drain the cooling system. Refer to Cooling System Draining and Filling .

  2. Object Number: 208553  Size: SH
  3. Disconnect the intake air temperature sensor (IAT) sensor electrical connector.
  4. Disconnect the mass airflow (MAF) sensor electrical connector.

  5. Object Number: 208569  Size: SH
  6. Remove the air intake duct resonator.

  7. Object Number: 349797  Size: SH
  8. Remove the inlet hose (1) from the radiator.

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

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

Installation Procedure


    Object Number: 221676  Size: SH
  1. Install the inlet hose to the water pump.

  2. Object Number: 221666  Size: SH
  3. Install the inlet hose to the power steering cooler, if equipped.

  4. Object Number: 349797  Size: SH
  5. Install the inlet hose (1) to the radiator.

  6. Object Number: 208569  Size: SH
  7. Install the air intake duct resonator.

  8. Object Number: 208553  Size: SH
  9. Connect the IAT sensor electrical connector.
  10. Connect the MAF sensor electrical connector.
  11. Refill the cooling system. Refer to Cooling System Draining and Filling .