GM Service Manual Online
For 1990-2009 cars only

Radiator Inlet Hose Replacement LY7

Tools Required

J 38185 Hose Clamp Pliers

Removal Procedure


    Object Number: 1334988  Size: SH
  1. Drain the coolant. Refer to Cooling System Draining and Filling.
  2. Using the J 38185 , disengage the tension on the hose clamp and remove the radiator inlet hose from the thermostat housing.
  3. Using the J 38185 , disengage the tension on the hose clamp and remove the radiator inlet hose from the radiator.
  4. Remove the radiator inlet hose from the vehicle.

Installation Procedure


    Object Number: 1334988  Size: SH
  1. Install the inlet radiator hose into the vehicle.
  2. Important: Lubricate the inside diameters of the hoses with clean coolant prior to installation.

  3. Using the J 38185 , disengage the tension on the hose clamp and Install the radiator inlet hose to the radiator.
  4. Using the J 38185 slide the clamp into the original position.
  5. Using the J 38185 , disengage the tension on the hose clamp and install the radiator inlet hose to the thermostat housing.
  6. Using the J 38185 slide the clamp into the original position.
  7. Fill the cooling system. Refer to Cooling System Draining and Filling.

Radiator Inlet Hose Replacement LH2

Tools Required

J 38185 Hose Clamp Pliers

Removal Procedure


    Object Number: 1334988  Size: SH
  1. Drain the coolant. Refer to Cooling System Draining and Filling.
  2. Using the J 38185 , disengage the tension on the hose clamp and remove the radiator inlet hose from the throttle body housing.
  3. Using the J 38185 , disengage the tension on the hose clamp and remove the radiator inlet hose from the radiator.
  4. Remove the radiator inlet hose from the vehicle.

Installation Procedure


    Object Number: 1334988  Size: SH
  1. Install the inlet radiator hose into the vehicle.
  2. Important: Lubricate the inside diameters of the hoses with clean coolant prior to installation.

  3. Using the J 38185 , disengage the tension on the hose clamp and Install the radiator inlet hose to the radiator.
  4. Using the J 38185 slide the clamp into the original position.
  5. Using the J 38185 , disengage the tension on the hose clamp and install the radiator inlet hose to the throttle body housing.
  6. Using the J 38185 slide the clamp into the original position.
  7. Fill the cooling system. Refer to Cooling System Draining and Filling.

Radiator Inlet Hose Replacement LH2 with V92

Special Tools

J 38185 Hose Clamp Pliers

Removal Procedure


    Object Number: 2146929  Size: SH
  1. Drain the coolant. Refer to Cooling System Draining and Filling.
  2. Using the J 38185 pliers , disengage the tension on the hose clamp and remove the radiator inlet hose from the throttle body housing.
  3. Using the J 38185 pliers , disengage the tension on the hose clamp (1) and remove the radiator inlet hose (2) from the radiator.
  4. Remove the radiator inlet hose from the vehicle.

Installation Procedure


    Object Number: 2146929  Size: SH
  1. Install the inlet radiator hose into the vehicle.
  2. Note: Lubricate the inside diameters of the hoses with clean coolant prior to installation.

  3. Using the J 38185 pliers , disengage the tension on the hose clamp (1) and Install the radiator inlet hose (2) to the radiator.
  4. Using the J 38185 pliers , slide the clamp into the original position.
  5. Using the J 38185 pliers , disengage the tension on the hose clamp and install the radiator inlet hose to the throttle body housing.
  6. Using the J 38185 pliers , slide the clamp into the original position.
  7. Fill the cooling system. Refer to Cooling System Draining and Filling.