GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Disconnect the negative battery cable. Refer to

    Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

    in General Information.
  2. Drain the coolant. Refer to Cooling System Draining and Filling .
  3. Remove the 4 bolts from the upper cooling fan mounting bracket. Refer to Electric Cooling Fan .

  4. Object Number: 46159  Size: SH
  5. Remove the radiator upper mounting panel screws and the mounting panel.

  6. Object Number: 23660  Size: SH
  7. Disconnect the radiator inlet hose (1) and the radiator outlet hose (2) from the radiator. Also, disconnect the coolant recovery reservoir hose from the radiator filler neck. Refer to Radiator Hose Replacement .
  8. Disconnect the electrical connectors from the cooling fans. Refer to Electric Cooling Fan .

  9. Object Number: 46169  Size: SH
  10. Disconnect the transaxle oil cooler lines from the radiator side tanks.
  11. Remove the radiator from the vehicle.

Installation Procedure


    Object Number: 46162  Size: SH
  1. Install the radiator to the vehicle. Place the bottom of the radiator in the lower insulators.
  2. Install the radiator to radiator support attaching clamp and the bolts.
  3. Tighten
    Tighten the radiator to radiator support bolts to 10 N·m (89 lb in).

    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.


    Object Number: 46169  Size: SH
  4. Connect the transaxle oil cooler lines to the radiator side tanks.
  5. Tighten
    Tighten the transaxle oil cooler line fittings to 27 N·m (20 lb ft).


    Object Number: 23660  Size: SH
  6. Connect the radiator inlet hose (1) and the outlet hose (2) to the radiator. Refer to Radiator Hose Replacement .

  7. Object Number: 46159  Size: SH
  8. Install the radiator upper mounting panel and the screws.
  9. Tighten
    Tighten the upper mounting panel screws to 10 N·m (89 lb in).


    Object Number: 46171  Size: SH
  10. Connect the coolant recovery reservoir to the radiator filler neck.
  11. Install the cooling fans assembly bracket and the bolts to the radiator upper mounting panel.
  12. Tighten
    Tighten the cooling fans bracket bolts to 10 N·m (89 lb in).

  13. Connect the electrical connectors to the cooling fans. Refer to Electric Cooling Fan .
  14. Refill the engine coolant. Refer to Cooling System Draining and Filling .
  15. Connect the negative battery cable.
  16. Tighten
    Tighten the negative battery cable bolt to 15 N·m (11 lb ft).

  17. Start the engine. Check for coolant leaks.