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. Drain the cooling system. Refer to Cooling System Draining and Filling .
  3. Remove the radiator inlet hose. Refer to Radiator Inlet Hose Replacement .
  4. Remove the radiator outlet hose. Refer to Radiator Outlet Hose Replacement .
  5. Disconnect transmission oil cooler lines.
  6. Disconnect the fan motor electrical connector.
  7. Disconnect two fan motor electrical harness clamps from the fan shroud.

  8. Object Number: 886414  Size: SH
  9. Remove two radiator mount bolts.
  10. Remove the radiator fan with the motor
  11. Transfer all necessary components onto the replacement radiator.

Installation Procedure

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: 886414  Size: SH
  1. Position the radiator and fan shroud assembly.
  2. Tighten
    Tighten the radiator bolts to 19 N·m (14 lb ft).

  3. Connect two fan motor electrical harness clamps to the fan shroud.
  4. Connect the fan motor electrical connector.
  5. Connect the transmission oil cooler lines.
  6. Install the radiator outlet hose. Refer to Radiator Outlet Hose Replacement
  7. Install the radiator inlet hose. Refer to Radiator Inlet Hose Replacement
  8. Refill the cooling system. Refer to Cooling System Draining and Filling .
  9. Caution: Refer to Battery Disconnect Caution in the Preface section.

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

  12. Start and run the engine until the coolant is at operating temperature.
  13. Inspect the transmission fluid level, on vehicles with automatic transmission. Refer to in Automatic Transmission.
  14. Tighten any loose connections as necessary.