GM Service Manual Online
For 1990-2009 cars only

Radiator Replacement 1.8L

Removal Procedure

  1. Remove the left engine under cover.
  2. Remove the right engine under cover.
  3. Remove the front bumper assembly. Refer to Front Bumper Fascia Replacement.
  4. Warning: Refer to Battery Disconnect Warning in the Preface section.

  5. Disconnect cable from negative battery terminal. Refer to Battery Negative Cable Disconnection and Connection.
  6. Drain the engine coolant. Refer to Cooling System Draining and Filling.
  7. Remove the battery. Refer to Battery Replacement.
  8. Remove the thermistor assembly.

  9. Object Number: 2015747  Size: SH
  10. Disconnect the radiator reservoir tank hose (1) from the radiator assembly.

  11. Object Number: 2015900  Size: SH
  12. Disconnect the upper radiator hose (1) from the radiator assembly.

  13. Object Number: 2015901  Size: SH
  14. Disconnect the lower radiator hose (1) from the radiator assembly.
  15. Disconnect the oil cooler hose.

  16. Object Number: 2015905  Size: SH
  17. Remove the 2 bolts and 2 upper radiator supports (1, 2).
  18. Remove the 2 support cushions from the 2 upper radiator supports.
  19. Disconnect the hood lock assembly.

  20. Object Number: 2015907  Size: SH
  21. Separate the water by-pass hose (1) from the 3 clamps.
  22. Disconnect the water by-pass hose from the radiator assembly.

  23. Object Number: 2015790  Size: SH
  24. Remove the 2 bolts (1, 2) and the hood lock support subassembly.

  25. Object Number: 2015791  Size: SH
  26. Disconnect the horn connector (1).

  27. Object Number: 2047217  Size: SH
  28. Remove the 4 bolts (1, 2, 3, 4) and upper radiator support subassembly.

  29. Object Number: 2015909  Size: SH
  30. Remove the 2 bolts (1, 2), disengage the 2 claws, and remove the fan shroud from the radiator assembly.

  31. Object Number: 2015910  Size: SH
  32. Disconnect the cooling fan motor connector (1) and wire harness clamp.

  33. Object Number: 2015913  Size: SH

    Note: For vehicles with the air conditioning system, do not apply any excessive force to the cooler condenser assembly or pipe when removing the radiator assembly.

  34. Remove the radiator assembly with the fan shroud.
  35. Remove the 2 lower radiator supports.

  36. Object Number: 2015914  Size: SH
  37. Disconnect the 2 oil cooler hoses (1, 3) from the radiator.
  38. Remove the 2 bolts and oil cooler hose.

  39. Object Number: 2016453  Size: SH
  40. Remove the 2 bolts and fan shroud from the radiator assembly.

Installation Procedure

    Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 2016453  Size: SH
  1. Install the fan shroud to the radiator assembly with the 2 bolts and tighten to 7.0 N·m (62 lb in).

  2. Object Number: 2015914  Size: SH
  3. Install the oil cooler hoses with the 2 bolts (2, 4) and tighten to 5.5 N·m (49 lb in).
  4. Connect the 2 oil cooler hoses (1, 3) to the radiator.
  5. Install the 2 lower radiator supports.
  6. Note: For vehicles with the air conditioning system, do not apply any excessive force to the cooler condenser assembly or pipe when installing the radiator assembly.

  7. Install the radiator assembly with the fan shroud.

  8. Object Number: 2015910  Size: SH
  9. Connect the cooling fan motor connector (1) and wire harness clamp.

  10. Object Number: 2015909  Size: SH
  11. Engage the 2 claws and install the fan shroud to the radiator assembly with the 2 bolts (1, 2) and tighten to 7.0 N·m (62 lb in).

  12. Object Number: 2047217  Size: SH
  13. Install the upper radiator support sub-assembly with the 4 bolts (1, 2, 3, 4) and tighten to 5.5 N·m (49 lb in).

  14. Object Number: 2015791  Size: SH
  15. Connect the horn connector (1).

  16. Object Number: 2015790  Size: SH
  17. Install the hood lock support sub-assembly with the 2 bolts (1, 2) and tighten to 7.0 N·m (62 lb in).

  18. Object Number: 2015907  Size: SH
  19. Install the water by-pass hose (1) with the 3 clamps.
  20. Connect the water by-pass hose to the radiator assembly with the clamp.
  21. Install the hood lock assembly.
  22. Install the 2 radiator support cushions to the 2 upper radiator supports.

  23. Object Number: 2015905  Size: SH
  24. Install the 2 upper radiator supports (1, 2) with the 2 bolts and tighten to 19 N·m (14 lb ft).
  25. Connect oil cooler hose.

  26. Object Number: 2015901  Size: SH
  27. Connect the lower radiator hose (1) to the radiator assembly with the clamp.

  28. Object Number: 2015900  Size: SH
  29. Connect the upper radiator hose (1) to the radiator assembly with the clamp.

  30. Object Number: 2015747  Size: SH
  31. Connect the radiator reservoir tank hose (1) to the radiator assembly with the clamp.
  32. Install the thermistor assembly.
  33. Install the battery. Refer to Battery Replacement.
  34. Connect the cable to negative battery terminal.
  35. Add the engine coolant. Refer to Cooling System Draining and Filling.
  36. Inspect for coolant leaks.
  37. Inspect the reservoir tank engine coolant level.
  38. Install the front bumper assembly. Refer to Front Bumper Fascia Replacement.
  39. Adjust fog light alignment. Refer to Fog Lamp Aiming.
  40. Install left engine under cover.
  41. Install right engine under cover.

Radiator Replacement 2.4L

Removal Procedure

    Warning: Refer to Battery Disconnect Warning in the Preface section.

  1. Disconnect cable from negative battery terminal. Refer to Battery Negative Cable Disconnection and Connection.
  2. Remove the left engine under cover.
  3. Remove the right engine under cover.
  4. Drain the engine coolant. Refer to Cooling System Draining and Filling.
  5. Remove the battery. Refer to Battery Replacement.
  6. Remove the front bumper assembly. Refer to Front Bumper Fascia Replacement.
  7. Remove the thermistor assembly.

  8. Object Number: 2015747  Size: SH
  9. Disconnect the radiator reservoir tank hose (1) from the radiator assembly.

  10. Object Number: 2015748  Size: SH
  11. Disconnect the upper radiator hose (1) from the radiator assembly.

  12. Object Number: 2015751  Size: SH
  13. Disconnect the lower radiator hose (1) from the radiator assembly.
  14. Disconnect the oil cooler hose.

  15. Object Number: 2015755  Size: SH
  16. Remove the 2 bolts (1, 2) and 2 upper radiator supports.
  17. Remove the 2 support cushions from the 2 upper radiator supports.
  18. Remove hood lock assembly. Refer to Hood Primary and Secondary Latch Replacement.

  19. Object Number: 2015781  Size: SH
  20. Separate the water by-pass hose (1) from the 2 clamps (2).
  21. Disconnect the water by-pass hose from the radiator assembly.

  22. Object Number: 2015790  Size: SH
  23. Remove the 2 bolts (1, 2) and the hood lock support subassembly.

  24. Object Number: 2015791  Size: SH
  25. Disconnect the horn connector (1).

  26. Object Number: 2015794  Size: SH
  27. Remove the 4 bolts (1) and the upper radiator support sub-assembly.

  28. Object Number: 2015801  Size: SH
  29. Remove the 2 bolts (1), disengage the 2 claws, and remove the fan shroud from the radiator assembly.

  30. Object Number: 2015803  Size: SH
  31. Disconnect the cooling fan motor connector (1) and the wire harness clamp.

  32. Object Number: 2015805  Size: SH
  33. Disconnect the 2 cooling fan motor connectors (1, 2) and the wire harness clamp.

  34. Object Number: 2015808  Size: SH
  35. Remove the radiator assembly with the fan shroud.
  36. Remove the 2 lower radiator supports.

  37. Object Number: 2015810  Size: SH
  38. Disconnect the 2 oil cooler hoses (1, 2) from the radiator.
  39. Disconnect the clamp from the fan shroud.
  40. Remove the 2 bolts (3) and oil cooler hose.

  41. Object Number: 2015814  Size: SH
  42. Remove the 2 bolts and fan shroud from the radiator assembly.

Installation Procedure

    Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 2015814  Size: SH
  1. Install the fan shroud to the radiator assembly with the 2 bolts and tighten to 7.0 N·m (62 lb in).

  2. Object Number: 2015810  Size: SH
  3. Install the oil cooler hoses (1, 2) with the 2 bolts (3) and tighten to 5.5 N·m (49 lb in).
  4. Connect the clamp to the fan shroud.
  5. Connect the 2 oil cooler hoses to the radiator.
  6. Install radiator assembly.
  7. Install the 2 lower radiator supports.

  8. Object Number: 2015808  Size: SH
  9. Install the radiator assembly with the fan shroud.

  10. Object Number: 2015803  Size: SH
  11. Connect the cooling fan motor connector (1), without air conditioning system.
  12. Connect the cooling fan motor connector and wire harness clamp.

  13. Object Number: 2015805  Size: SH
  14. Connect the 2 cooling fan motor connectors (1, 2) and the wire harness clamp with air conditioning.

  15. Object Number: 2015801  Size: SH
  16. Engage the 2 claws and install the No. 2 fan shroud to the radiator assembly with the 2 bolts (1) and tighten to 7.0 N·m (62 lb in).

  17. Object Number: 2015794  Size: SH
  18. Install the upper radiator support sub-assembly with the 4 bolts (1) and tighten to 5.5 N·m (49 lb in).

  19. Object Number: 2015791  Size: SH
  20. Connect the horn connector (1).

  21. Object Number: 2015790  Size: SH
  22. Install the hood lock support sub-assembly with the 2 bolts (1, 2) and tighten to 7.0 N·m (62 lb in).

  23. Object Number: 2015781  Size: SH
  24. Install the water by-pass hose (1) with the 2 clamps (2).
  25. Connect the water by-pass hose to the radiator assembly with the clamp.
  26. Install the hood lock assembly. Refer to Hood Primary and Secondary Latch Replacement.
  27. Install the 2 radiator support cushions to the 2 upper radiator supports.

  28. Object Number: 2015755  Size: SH
  29. Install the 2 upper radiator supports with the 2 bolts (1) and tighten to 19 N·m (14 lb ft).
  30. Connect the oil cooler hose.

  31. Object Number: 2015751  Size: SH
  32. Connect the lower radiator hose (1) to the radiator assembly with the clamp.

  33. Object Number: 2015748  Size: SH
  34. Connect the upper radiator hose (1) to the radiator assembly with the clamp.

  35. Object Number: 2015747  Size: SH
  36. Connect the radiator reservoir tank hose (1) to the radiator assembly with the clamp.
  37. Install the thermistor assembly.
  38. Install the battery. Refer to Battery Replacement.
  39. Connect the cable to negative battery terminal.
  40. Add the engine coolant. Cooling System Draining and Filling.
  41. Inspect for coolant leaks.
  42. Inspect the reservoir tank engine coolant level.
  43. Install front bumper assembly. Refer to Front Bumper Fascia Replacement.
  44. Vehicle preparation for fog light aiming adjustment with fog light.
  45. Inspect the fog light alignment. Refer to Fog Lamp Aiming.