GM Service Manual Online
For 1990-2009 cars only

Radiator Inlet Hose Replacement 3.4L

Removal Procedure

Tools Required

J 38185 Hose Clamp Pliers


    Object Number: 455233  Size: SH
  1. Partially drain the cooling system. Refer to Cooling System Draining and Filling .
  2. Remove the left diagonal brace. Refer to Front Fender Upper Diagonal Brace Replacement in Body Front End.
  3. Use the J 38185 in order to reposition the hose clamp at the thermostat housing. Disconnect the inlet hose (1) from the thermostat housing

  4. Object Number: 455227  Size: SH
  5. Use the J 38185 in order to reposition the hose clamp at the radiator.
  6. Disconnect the inlet hose from the radiator. Remove the inlet hose.

Installation Procedure


    Object Number: 455227  Size: SH
  1. Align the marks on the hose. Install the inlet hose to the radiator.
  2. Use the J 38185 in order to reposition and install the hose clamp at the radiator.

  3. Object Number: 455233  Size: SH
  4. Connect the inlet hose (1) to the thermostat housing.
  5. Use the J 38185 in order to reposition and install the inlet hose at the thermostat housing.
  6. Install the left diagonal brace. Refer to Front Fender Upper Diagonal Brace Replacement in Body Front End.
  7. Fill the cooling system. Refer to Cooling System Draining and Filling .
  8. Inspect for leaks.

Radiator Inlet Hose Replacement 3.8L

Removal Procedure

Tools Required

J 38185 Hose Clamp Pliers


    Object Number: 308973  Size: SH
  1. Partially drain the coolant. Refer to Cooling System Draining and Filling .
  2. Remove the left diagonal brace. Refer to Front Fender Upper Diagonal Brace Replacement in Body Front End.
  3. Use the J 38185 in order to reposition the hose clamp at the radiator.
  4. Disconnect the inlet hose from the radiator.

  5. Object Number: 308970  Size: SH
  6. Use the J 38185 in order to reposition the hose clamp at the thermostat housing.
  7. Disconnect the inlet hose from the thermostat housing. Remove the inlet hose.

Installation Procedure


    Object Number: 308970  Size: SH
  1. Align the marks on the hose. Install the inlet hose.
  2. Use the J 38185 in order to reposition and install the hose clamp at the thermostat housing.

  3. Object Number: 308973  Size: SH
  4. Connect the inlet hose to the radiator.
  5. Use the J 38185 in order to reposition and install the hose clamp at the radiator.
  6. Install the left diagonal brace. Refer to Front Fender Upper Diagonal Brace Replacement in Body Front End.
  7. Fill the cooling system. Refer to Cooling System Draining and Filling .
  8. Inspect for leaks.