GM Service Manual Online
For 1990-2009 cars only

Radiator Replacement LZ9

Special Tools

J 38185 Hose Clamp Pliers

Removal Procedure

  1. Partially drain the cooling system. Refer to Cooling System Draining and Filling.
  2. Remove the cooling fan shroud assembly. Refer to Engine Coolant Fan Shroud Replacement.

  3. Object Number: 2087645  Size: SH
  4. Remove the condenser line to radiator retaining bolt (1).

  5. Object Number: 2087032  Size: SH
  6. Using J 38185 Hose Clamp Pliers reposition the hose clamp from the radiator outlet hose.
  7. Remove the radiator outlet hose (1) from the radiator.

  8. Object Number: 2087005  Size: SH
  9. Using J 38185 Hose Clamp Pliers reposition the hose clamp from the radiator inlet hose.
  10. Remove the radiator inlet hose (1) from the radiator.

  11. Object Number: 2087751  Size: SH
  12. Remove the upper radiator bracket bolts (1).
  13. Remove the upper radiator brackets (2).

  14. Object Number: 2087641  Size: SH
  15. Remove the condenser mounting bolts (1).

  16. Object Number: 287613  Size: SH

    Note: Care should be taken when removing the condenser not to damage the lower attachment points of both the radiator and condenser.

  17. Lift the condenser upward slightly in order to release the lower feet from the lower mounting features located at the front of the radiator.

  18. Object Number: 2087639  Size: SH
  19. Lift the radiator (1) up and out the vehicle.

Installation Procedure


    Object Number: 2087639  Size: SH
  1. Install the radiator (1) to the vehicle.

  2. Object Number: 287613  Size: SH

    Note: Care should be taken when installing the condenser not to damage the lower attachment points of both the radiator and condenser.

  3. Position the condenser, aligning the lower feet to the lower mounting features located at the front of the radiator.
  4. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 2087641  Size: SH

    Note: The bolts retaining the condenser to the radiator end tanks are a special length and should be the ONLY bolts used upon reinstallation. The use of longer bolts will damage the radiator end tanks.

  5. Install the condenser mounting bolts (1).
  6. Tighten
    Tighten the bolts to 13 N·m (115 lb in).


    Object Number: 2087032  Size: SH
  7. Install the radiator outlet hose (1) to the radiator.
  8. Using J 38185 Hose Clamp Pliers reposition the radiator outlet hose clamp.

  9. Object Number: 2087005  Size: SH
  10. Install the radiator inlet hose (1) to the radiator.
  11. Using J 38185 Hose Clamp Pliers reposition the radiator inlet hose clamp to the radiator.

  12. Object Number: 2087751  Size: SH
  13. Install the upper radiator brackets (2).
  14. Install the upper radiator bracket bolts (1).
  15. Tighten
    Tighten the bolts to 25 N·m (18 lb ft).


    Object Number: 2087645  Size: SH
  16. Install the condenser line to radiator retaining bolt (1).
  17. Tighten
    Tighten the bolts to 6 N·m (53 lb in).

  18. Install the cooling fans. Refer to Engine Coolant Fan Replacement.
  19. Fill the cooling system. Refer to Cooling System Draining and Filling.

Radiator Replacement LD8

Tools Required

J 38185 Hose Clamp Pliers

Removal Procedure

  1. Partially drain the cooling system. Refer to Cooling System Draining and Filling.
  2. Remove the cooling fan shroud assembly. Refer to Engine Coolant Fan Shroud Replacement.

  3. Object Number: 1664239  Size: SH
  4. Remove the condenser line to radiator retaining bolt.

  5. Object Number: 1664555  Size: SH
  6. Using J 38185 Hose Clamp Pliers reposition the hose clamps from the radiator outlet hose.
  7. Remove the radiator outlet hose from the radiator.

  8. Object Number: 1664240  Size: SH
  9. Remove the condenser mounting bolts.

  10. Object Number: 287613  Size: SH

    Note: Care should be taken when removing the condenser not to damage the lower attachment points of both the radiator and condenser.

  11. Lift the condenser upward slightly in order to release the lower feet from the lower mounting features located at the front of the radiator.

  12. Object Number: 1664982  Size: SH
  13. Lift the radiator up and out the vehicle.

Installation Procedure


    Object Number: 1664982  Size: SH
  1. Install the radiator to the vehicle.

  2. Object Number: 287613  Size: SH

    Note: Care should be taken when installing the condenser not to damage the lower attachment points of both the radiator and condenser.

  3. Position the condenser, aligning the lower feet to the lower mounting features located at the front of the radiator.
  4. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1664240  Size: SH

    Note: The bolts retaining the condenser to the radiator end tanks are a special length and should be the ONLY bolts used upon reinstallation. The use of longer bolts will damage the radiator end tanks.

  5. Install the condenser mounting bolts and tighten to 13 N·m (115 lb in).

  6. Object Number: 1664555  Size: SH
  7. Install the radiator outlet hose to the radiator.
  8. Using J 38185 Hose Clamp Pliers reposition the radiator outlet hose clamp.

  9. Object Number: 1664239  Size: SH
  10. Install the condenser line to radiator retaining bolt and tighten to 6 N·m (53 lb in).
  11. Install the cooling fans. Refer to Engine Coolant Fan Replacement.
  12. Fill the cooling system. Refer to Cooling System Draining and Filling.