GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2007 🢒 Rendezvous - FWD 🢒 Engine 🢒 Engine Cooling 🢒 Radiator Replacement

Tools Required

    • J 38185 Hose Clamp Pliers
    • J 39400-A Halogen Leak Detector

Removal Procedure
  1. Recover the refrigerant from the A/C system. Refer to Refrigerant Recovery and Recharging .
  2. Drain the cooling system. Refer to Cooling System Draining and Filling .
  3. Remove the cooling fans with the cooling fan shroud. Refer to Engine Cooling Fan Replacement .

    4. Object Number: 825403 Size: SH
  4. Reposition the hose clamp at the water pump housing using the J 38185 .
  5. Disconnect the radiator outlet hose from the water pump housing.
  6. Raise the vehicle. Refer to Lifting and Jacking the Vehicle .
  7. Reposition the hose clamp at the radiator using the J 38185 .
  8. Disconnect the radiator outlet hose from the radiator.
  9. Remove the radiator outlet hose.
  10. Disconnect the lower TOC line from the radiator. Refer to Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting Disconnection and Connection .
  11. Lower the vehicle.

    12. Object Number: 628885 Size: SH
  12. Remove the nut which secures the A/C discharge hose to the condenser block.
  13. Disconnect the A/C discharge hose from the condenser block.
  14. Remove and discard the sealing washer.

    15. Important: Cap or tape off the open A/C hose immediately to prevent system contamination.

  15. Cap or tape off the A/C discharge hose.

    16. Object Number: 825404 Size: SH
  16. Remove the bolt which secures the evaporator inlet tube to the condenser block.
  17. Disconnect the evaporator inlet tube from the condenser block.
  18. Cap or tape off the evaporator inlet tube.

    19. Object Number: 825405 Size: SH
  19. Remove the radiator and condenser assembly.
  20. Remove the condenser tube clip bolt.
  21. Remove the condenser mounting bolts.
  22. Remove the condenser from the radiator.

Installation Procedure

    Object Number: 825405 Size: SH
  1. Install the condenser to the radiator.

    2. Notice: Refer to Fastener Notice in the Preface section.

  2. Install the mounting bolts that secure the condenser to the radiator.

    3. Tighten
    Tighten the bolts to 6 N·m (53 lb in).

  3. Install the condenser tube clip bolt.

    4. Tighten
    Tighten the bolt to 2.5 N·m (22 lb in).

  4. Install the radiator and condenser assembly.
  5. Remove the cap or the tape from the evaporator inlet tube.
  6. Install a new seal washer to the evaporator inlet tube. Refer to Sealing Washer Replacement .

    7. Object Number: 825404 Size: SH
  7. Install the evaporator inlet tube and the bolt to the condenser block.

    8. Tighten
    Tighten bolt to 16 N·m (12 lb ft).

  8. Remove the cap or the tape from the A/C discharge hose.
  9. Install a new sealing washer to the A/C discharge hose. Refer to Sealing Washer Replacement .

    10. Object Number: 628885 Size: SH
  10. Install the A/C discharge hose and the nut to the condenser block.

    11. Tighten
    Tighten the nut to 16 N·m (12 lb ft).

  11. Raise the vehicle.
  12. Connect the lower TOC line to the radiator. Refer to Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting Disconnection and Connection .

    13. Object Number: 825403 Size: SH
  13. Install the radiator outlet hose.
  14. Connect the radiator outlet hose to the radiator.
  15. Reposition the hose clamp at the radiator to secure the hose using the J 38185 .
  16. Lower the vehicle.
  17. Connect the radiator outlet hose to the water pump housing.
  18. Reposition the hose clamp at the water pump housing to secure the hose using the J 38185 .
  19. Install the cooling fans with the cooling fan shroud. Refer to Engine Cooling Fan Replacement .
  20. Fill the cooling system. Refer to Cooling System Draining and Filling .
  21. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging .
  22. Leak test the fittings of the component using the J 39400-A .
  23. Inspect the transmission fluid level. Refer to Transmission Fluid Check .