GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

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

  1. Disconnect the negative battery cable.

  2. Object Number: 1293684  Size: SH
  3. Lift the locking lever on the mass air flow (MAF) sensor, then disconnect the MAF sensor electrical connector (1).
  4. Lift the locking lever on the intake air temperature (IAT) sensor, then disconnect the IAT sensor electrical connector (2).
  5. Loosen the two intake duct clamps (3), then remove the duct.
  6. Remove the cooling fan and shroud. Refer to Engine Cooling Fan Replacement .
  7. Remove the radiator outlet hose. Refer to Radiator Outlet Hose Replacement .
  8. Remove the inlet hose. Refer to Radiator Inlet Hose Replacement .
  9. Release the refrigerant pipe-to-receiver drier retaining clip on the left side of the radiator.
  10. Remove the bumper front fascia. Refer to Front Bumper Fascia Replacement in Bumpers.

  11. Object Number: 1290518  Size: SH
  12. Release the two condenser-to-radiator retaining clips as follows:
  13. 10.1. Press down on the 1st locking tab (1) while lifting on the condenser assembly.
    10.2. Press down on the 2nd locking tab while lifting on the condenser assembly, then slightly pull the condenser assembly forward to clear the radiator mounting lugs.
  14. Disconnect the transmission cooler lines, if equipped. Refer to Transmission Fluid Cooler Hose/Pipe Replacement in Automatic Transmission.

  15. Object Number: 1290526  Size: SH
  16. Remove the two radiator upper mounting brackets (1).
  17. Remove the radiator as follows:
  18. 13.1. Lift the radiator upwards.
    13.2. Move the radiator rearwards on the left side, then across to the left side to allow the right side to clear the mounting brackets.

Installation Procedure

  1. Install the radiator as follows:
  2. 1.1. Move the radiator rearwards on the left side, then across to the left side to allow the right side to clear the mounting brackets.
    1.2. Lower the radiator into the lower insulators.

    Object Number: 1290526  Size: SH
  3. Install the two radiator upper mounting brackets (1).
  4. Connect the transmission cooler lines, if equipped. Refer to Transmission Fluid Cooler Hose/Pipe Replacement in Automatic Transmission.

  5. Object Number: 1290518  Size: SH
  6. Install the two condenser-to-radiator retaining clips as follows:
  7. 4.1. Slightly pull the condenser assembly forward to clear the radiator mounting lugs.
    4.2. Ensure both locking tab (1) are seated.
  8. Install the bumper front fascia. Refer to Front Bumper Fascia Replacement in Bumpers.
  9. Install the refrigerant pipe-to-receiver drier retaining clip on the left side of the radiator.
  10. Install the coolant inlet hose. Refer to Radiator Inlet Hose Replacement .
  11. Install the coolant outlet hose. Refer to Radiator Outlet Hose Replacement .
  12. Install the cooling fan and shroud. Refer to Engine Cooling Fan Replacement .

  13. Object Number: 1293684  Size: SH
  14. Position the intake duct then install two intake duct clamps (3).
  15. Connect the IAT sensor electrical connector (2).
  16. Connect the MAF sensor electrical connector (1).
  17. Caution: Refer to Battery Disconnect Caution in the Preface section.

  18. Connect the negative battery cable.
  19. Important: Watch for a potential overheating condition while the engine is operating with the radiator cap off.

  20. Start and run the engine until the coolant is at operating temperature.
  21. On vehicles with an automatic transmission, check the transmission fluid level.
  22. Tighten any loose connections, as necessary.