GM Service Manual Online
For 1990-2009 cars only

Radiator Outlet Hose Replacement 3.8 L

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: 554755  Size: SH
  5. Remove the air intake duct resonator.

  6. Object Number: 221689  Size: SH
  7. Remove the outlet hose from the water pump.
  8. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.

  9. Object Number: 349794  Size: SH
  10. Remove the outlet hose (2) from the radiator.
  11. Remove the hose support from the fan shroud.

Installation Procedure


    Object Number: 349794  Size: SH
  1. Install the outlet hose support to the fan shroud.
  2. Install the outlet hose (2) to the radiator.
  3. Lower the vehicle.

  4. Object Number: 221689  Size: SH
  5. Install the outlet hose to the water pump.

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

  8. Object Number: 208554  Size: SH
  9. Connect the IAT sensor electrical connector.
  10. Refill the cooling system. Refer to Cooling System Draining and Filling .

Radiator Outlet Hose Replacement 5.7 L

Removal Procedure


    Object Number: 208553  Size: SH
  1. Drain the cooling system. Refer to Cooling System Draining and Filling .
  2. Disconnect the intake air temperature (IAT) sensor electrical connector.
  3. Disconnect the mass airflow (MAF) sensor electrical connector.

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

  6. Object Number: 221671  Size: SH
  7. Remove the outlet hose from the water outlet.
  8. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.

  9. Object Number: 349797  Size: SH
  10. Remove the outlet hose (2) from the radiator.

Installation Procedure


    Object Number: 349797  Size: SH
  1. Install the outlet hose (2) to the radiator.
  2. Lower the vehicle.

  3. Object Number: 221671  Size: SH
  4. Install the outlet hose to the water outlet.

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

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