GM Service Manual Online
For 1990-2009 cars only

Radiator Outlet Hose Replacement 3.4L

Removal Procedure

Tools Required

J 38185 Hose Clamp Pliers


    Object Number: 455233  Size: SH
  1. Drain the cooling system. Refer to Cooling System Draining and Filling .
  2. Use the J 38185 in order to reposition the hose clamp at water pump housing.
  3. Disconnect the outlet hose (2) from the water pump housing.

  4. Object Number: 455227  Size: SH
  5. Raise and suitably support the vehicle. Refer to in Lifting and Jacking the Vehicle in General Information.
  6. Remove the radiator lower air deflector. Refer to Radiator Air Baffle Assemblies and Deflectors .
  7. Use the J 38185 in order to reposition the hose clamp at radiator.
  8. Disconnect the outlet hose from the radiator. Remove the outlet hose.

Installation Procedure


    Object Number: 455227  Size: SH
  1. Align the marks on the hose. Install the outlet hose to the radiator.
  2. Use the J 38185 in order to reposition and install the hose clamp at the radiator.
  3. Install the radiator lower air deflector. Refer to Radiator Air Baffle Assemblies and Deflectors .
  4. Lower the vehicle.

  5. Object Number: 455233  Size: SH
  6. Connect the outlet hose to the water pump housing (2).
  7. Use the J 38185 in order to reposition and install the hose clamp at the water pump housing.
  8. Fill the cooling system. Refer to Cooling System Draining and Filling .
  9. Inspect for leaks.

Radiator Outlet Hose Replacement 3.8L

Removal Procedure

Tools Required

J 38185 Hose Clamp Pliers


    Object Number: 308975  Size: SH
  1. Drain the cooling system. Refer to Cooling System Draining and Filling .
  2. Use the J 38185 in order to reposition the hose clamp at the water pump housing.
  3. Disconnect the outlet hose from the water pump housing.

  4. Object Number: 70050  Size: SH
  5. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  6. Remove the radiator lower air deflector. Refer to Radiator Air Baffle Assemblies and Deflectors .
  7. Use the J 38185 in order to reposition the hose clamp at the radiator.
  8. Disconnect the outlet hose from the radiator. Remove the outlet hose.

Installation Procedure


    Object Number: 70050  Size: SH
  1. Connect the outlet hose to the radiator.
  2. Use the J 38185 in order to reposition and install the hose clamp at the radiator.
  3. Install the radiator lower air deflector. Refer to Radiator Air Baffle Assemblies and Deflectors .
  4. Lower the vehicle.

  5. Object Number: 308975  Size: SH
  6. Align the marks on the hose. Install the outlet hose to the water pump housing.
  7. Use the J 38185 in order to reposition and install the hose clamp at the water pump housing.
  8. Fill the cooling system. Refer to Cooling System Draining and Filling .
  9. Inspect for leaks.