GM Service Manual Online
For 1990-2009 cars only

Radiator Outlet Hose Replacement 3.8L

Tools Required

J 38185 Hose Clamp Pliers

Removal Procedure


    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 from the water pump housing.
  3. Remove the radiator outlet hose (1) from the water pump housing.
  4. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  5. Remove the lower air deflector. Refer to Radiator Air Baffle Assemblies and Deflectors .

  6. Object Number: 70050  Size: SH
  7. Use the J 38185 in order to reposition the hose clamp from the radiator.
  8. Remove the radiator hose (3) from the radiator outlet (2).
  9. Remove the radiator hose from the vehicle.

Installation Procedure


    Object Number: 70050  Size: SH
  1. Install the radiator hose (3) on to outlet port (2) of the radiator.
  2. Install radiator outlet hose on to the water pump housing (1).
  3. Use the J 38185 in order to reposition and install the hose clamp to the radiator.
  4. Install the lower air deflector. Refer to Radiator Air Baffle Assemblies and Deflectors .
  5. Lower the vehicle.

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

Radiator Outlet Hose Replacement 3.1L

Tools Required

J 38185 Hose Clamp Pliers

Removal Procedure


    Object Number: 70060  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 from the water pump housing.
  3. Remove the radiator outlet hose from (3) the water pump housing (1).
  4. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  5. Remove the lower air deflector. Refer to Radiator Air Baffle Assemblies and Deflectors .

  6. Object Number: 455227  Size: SH
  7. Use the J 38185 in order to reposition the hose clamp from the radiator.
  8. Remove the radiator outlet hose from the radiator and the vehicle.

Installation Procedure


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

  5. Object Number: 70060  Size: SH
  6. Align the marks on the hose and install the radiator outlet hose (3) to the water pump housing (1).
  7. Use the J 38185 in order to reposition and install the hose clamp to the water pump housing
  8. Fill the cooling system. Refer to Cooling System Draining and Filling .
  9. Inspect for leaks.