GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2002 🢒 Eldorado 🢒 Engine 🢒 Engine Cooling 🢒 Radiator Replacement

Removal Procedure
  1. Drain the cooing system. Refer to Cooling System Draining and Filling .
  2. Remove the electric cooling fans. Refer to Engine Cooling Fan Replacement .

    3. Object Number: 71140 Size: SH
  3. Disconnect the radiator inlet hose from the radiator.

    4. Object Number: 71141 Size: SH
  4. Disconnect the radiator outlet hose from the radiator.

    5. Object Number: 739341 Size: SH
  5. Disconnect the engine oil cooler inlet pipe (1) from the radiator, if equipped.
  6. Remove the front air deflector. Refer to Front Air Deflector Replacement in Body Front End.

    7. Object Number: 739340 Size: SH
  7. Complete the following in order to remove the engine oil cooler outlet pipe from the radiator, if equipped:
    8. 7.1. Depress the tabs inward.
    7.2. Pull outward to remove the engine oil cooler outlet pipe.
  8. Lower the vehicle.

    9. Object Number: 740370 Size: SH
  9. Remove the upper transaxle oil cooler pipe fitting from the radiator.
  10. Remove the lower transaxle oil cooler pipe fitting from the radiator.

    11. Object Number: 71137 Size: SH
  11. Remove the upper radiator support screws.
  12. Remove the radiator from the vehicle. Lift the radiator up and out.

Installation Procedure

    Object Number: 71137 Size: SH
  1. Install the radiator to the vehicle.

    2. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  2. Install the upper radiator support screws.

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


    Object Number: 740370 Size: SH
  3. Connect the lower transaxle oil cooler pipe fitting to the radiator.

    4. Important: Ensure the lower transaxle oil cooler pipe is positioned horizontally while tightening.

    Tighten
    Tighten the transaxle oil cooler pipe fitting to 35 N·m (26 lb ft).

  4. Connect the upper transaxle oil cooler pipe fitting to the radiator.

    5. Important: Ensure the upper transaxle oil cooler pipe is positioned vertically while tightening.

    Tighten
    Tighten the transaxle oil cooler pipe fitting to 35 N·m (26 lb ft).

  5. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.

    6. Object Number: 739340 Size: SH

    Important: Ensure that the engine oil cooler outlet pipe is routed under the A/C compressor hose.

  6. Push the engine oil cooler outlet pipe fully into the engine oil cooler quick connect fitting, until a "click" is heard, if equipped.
  7. Tug gently on the cooler pipe to ensure proper retention.
  8. Install the front air deflector. Refer to Front Air Deflector Replacement in Body Front End.
  9. Lower the vehicle.

    10. Object Number: 739341 Size: SH
  10. Install the engine oil cooler inlet pipe to the radiator, if equipped.

    11. Important: Ensure the engine oil cooler pipe is positioned at a 10 degree angle (2) while tightening.

    Tighten
    Tighten the engine oil cooler pipe fitting to 18 N·m (13 lb ft).


    Object Number: 71141 Size: SH
  11. Connect the radiator outlet hose to the radiator.

    12. Object Number: 71140 Size: SH
  12. Connect the radiator inlet hose to the radiator.
  13. Install the electric cooling fans. Refer to Engine Cooling Fan Replacement .
  14. Fill the cooling system. Refer to Cooling System Draining and Filling .
  15. Check for proper engine oil level.
  16. Check for proper transmission oil level. Refer to Transmission Fluid Check in Automatic Transmission 4T80-E