GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2000 🢒 Astro - 4WD 🢒 Engine 🢒 Engine Cooling 🢒 Radiator Replacement

Removal Procedure
  1. Drain the coolant from the radiator. Refer to Cooling System Draining and Filling .
  2. Remove the upper fan shroud. Refer to Engine Coolant Fan Upper Shroud Replacement .
  3. Remove the lower fan shroud. Refer to Engine Coolant Fan Lower Shroud Replacement .

    4. Object Number: 48320 Size: SH
  4. Disconnect the radiator hoses from the radiator.
  5. Disconnect the transmission oil cooler lines from the radiator. Refer to Oil Cooler Hose/Pipe Replacement in Automatic Transmission.
  6. Disconnect the engine oil cooler lines from the radiator. Refer to Engine Oil Cooler Hose/Pipe Replacement .

    7. Object Number: 48317 Size: SH
  7. Disconnect the coolant recovery reservoir hose from the radiator filler neck.
  8. Remove the radiator grille. Refer to Grille Replacement in Exterior Trim.

    9. Object Number: 108126 Size: SH
  9. Remove the four bolts attaching the A/C condenser to the radiator. Refer to Condenser Replacement in HVAC.
  10. Remove the radiator.

Installation Procedure

    Object Number: 108126 Size: SH
  1. Install the radiator.
  2. Install the four bolts attaching the A/C condenser to the radiator. Refer to Condenser Replacement in HVAC.
  3. Install the radiator grille. Refer to Grille Replacement in Exterior Trim.

    4. Object Number: 48317 Size: SH
  4. Connect the coolant recovery reservoir hose to the radiator filler neck.
  5. Connect the engine oil cooler lines to the connector fittings. Refer to Engine Oil Cooler Hose/Pipe Replacement .
  6. Connect the transmission oil cooler lines into the connector fittings. Refer to Oil Cooler Hose/Pipe Replacement in Automatic Transmission.

    7. Object Number: 48320 Size: SH
  7. Connect the radiator inlet hose and the outlet hose to the radiator.
  8. Install the lower fan shroud. Refer to Engine Coolant Fan Lower Shroud Replacement .
  9. Install the upper fan shroud. Refer to Engine Coolant Fan Upper Shroud Replacement .
  10. Refill the cooling system with coolant. Refer to Cooling System Draining and Filling .
  11. Check engine oil fluid level. Fill to proper level.
  12. Start the engine. Run vehicle to normal operating temperature. Check transmission oil fluid level. Fill to proper level. Refer to Transmission Fluid Check in Automatic Transmission.
  13. Inspect the cooling system for leaks.
  14. Check for oil and transmission fluid leaks.