GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2001 🢒 Corvette 🢒 Engine 🢒 Engine Cooling 🢒 Radiator Replacement

Removal Procedure

    Object Number: 672639 Size: SH
  1. Remove the fan shroud. Refer to Fan Shroud Replacement .
  2. Reposition the throttle body heater outlet hose clamp at the radiator.
  3. Remove the throttle body heater outlet hose from the radiator.

    4. Object Number: 64025 Size: SH
  4. Reposition the radiator inlet hose clamp at the water pump.
  5. Remove the radiator inlet hose from the water pump.

    6. Object Number: 64026 Size: SH
  6. Reposition the radiator outlet hose clamp at the water pump inlet.
  7. Remove the radiator outlet hose from the water pump inlet.

    8. Object Number: 672481 Size: SH
  8. Reposition the surge tank inlet hose clamp at the radiator.
  9. Remove the surge tank inlet hose from the radiator.

    10. Object Number: 74086 Size: SH
  10. Remove the connector position assurance (CPA) lock.
  11. Disconnect the mass air flow (MAF) sensor electrical connector.

    12. Object Number: 71421 Size: SH
  12. If equipped, remove the automatic transmission oil cooler lines from the radiator.

    13. Object Number: 175435 Size: SH

    Important : It is not necessary to disconnect the air conditioning (A/C) lines from the condenser.

  13. With the aid of an assistant, remove the condenser from the radiator and position it forward.
  14. Remove the radiator from the vehicle.

Installation Procedure

    Object Number: 175435 Size: SH
  1. Install the radiator.
  2. With the aid of an assistant, install the condenser into the four retaining tabs on the radiator.

    3. Object Number: 71421 Size: SH

    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.

  3. If equipped, install the automatic transmission oil cooler lines to the radiator, if equipped.

    4. Tighten
    Tighten the automatic transmission oil cooler lines to 25 N·m (18 lb ft).


    Object Number: 74086 Size: SH
  4. Connect the MAF sensor electrical connector.
  5. Install the CPA lock.

    6. Object Number: 672481 Size: SH
  6. Install the surge tank inlet hose to the radiator.
  7. Position the surge tank inlet hose clamp at the radiator.

    8. Object Number: 64026 Size: SH
  8. Install the radiator outlet hose to the water pump inlet.
  9. Position the radiator outlet hose clamp at the water pump inlet.

    10. Object Number: 64025 Size: SH
  10. Install the radiator inlet hose to the water pump.
  11. Position the radiator inlet hose clamp at the water pump.

    12. Object Number: 672639 Size: SH
  12. Install the throttle body heater outlet hose from the radiator.
  13. Position the throttle body heater outlet hose clamp at the radiator.
  14. Install the fan shroud. Refer to Fan Shroud Replacement .