GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2001 🢒 Sonoma Pickup - 2WD 🢒 HVAC 🢒 Heating, Ventilation and Air Conditioning 🢒 Radiator Replacement

Radiator Replacement 2.2L

Tools Required

J 38185 Hose Clamp Pliers

Removal Procedure

    Object Number: 395873 Size: SH
  1. Drain the cooling system. Refer to Cooling System Draining and Filling .
  2. Reposition the hose clamp to the coolant recovery reservoir.
  3. Remove the coolant recovery reservoir hose from the radiator.

    4. Object Number: 343903 Size: SH
  4. Using the J 38185 reposition the radiator inlet hose clamp from the radiator.
  5. Remove the radiator inlet hose from the radiator.
  6. Remove the fan shroud. Refer to Fan Shroud Replacement .
  7. Using the J 38185 reposition the radiator outlet hose clamp from the radiator.
  8. Remove the radiator outlet hose from the radiator.
  9. Remove the transmission oil cooler lines from the radiator. Refer to Oil Cooler Hose/Pipe Replacement in Automatic Transmission - 4L60-E.

    10. Object Number: 1363 Size: SH
  10. Remove the radiator.

Installation Procedure

    Object Number: 1363 Size: SH

    Important: Inspect the rubber mounts before installing the radiator.

  1. Install the radiator.
  2. Install the transmission oil cooler lines to the radiator. Refer to Oil Cooler Hose/Pipe Replacement in Automatic Transmission - 4L60-E.

    3. Object Number: 343903 Size: SH
  3. Install the radiator outlet hose to the radiator.
  4. Using the J 38185 reposition the radiator outlet hose clamp to the radiator.
  5. Install the fan shroud. Refer to Fan Shroud Replacement .
  6. Install the radiator inlet hose to the radiator.
  7. Using the J 38185 reposition the radiator inlet hose clamp to the radiator.

    8. Object Number: 395873 Size: SH
  8. Install the coolant recovery reservoir hose to the radiator.
  9. Reposition the hose clamp to the coolant recovery reservoir.
  10. Fill the cooling system. Refer to Cooling System Draining and Filling .

Radiator Replacement 4.3L

Tools Required

J 38185 Hose Clamp Pliers

Removal Procedure

    Object Number: 395873 Size: SH
  1. Drain the cooling system. Refer to Cooling System Draining and Filling .
  2. Reposition the hose clamp to the coolant recovery reservoir.
  3. Remove the coolant recovery reservoir hose from the radiator.

    4. Object Number: 343920 Size: SH
  4. Using the J 38185 reposition the radiator inlet hose clamp from the radiator.
  5. Remove the radiator inlet hose from the radiator.
  6. Remove the fan shroud. Refer to Fan Shroud Replacement .
  7. Using the J 38185 reposition the radiator outlet hose clamp from the radiator.
  8. Remove the radiator outlet hose from the radiator.
  9. Remove the engine oil cooler lines from the radiator. Refer to Engine Oil Cooler Hose/Pipe Replacement .
  10. Remove the transmission oil cooler lines from the radiator. Refer to Oil Cooler Hose/Pipe Replacement in Automatic Transmission - 4L60-E.

    11. Object Number: 1363 Size: SH
  11. Remove the radiator.

Installation Procedure

    Object Number: 1363 Size: SH

    Important: Inspect the rubber mounts before installing the radiator.

  1. Install the radiator.
  2. Install the transmission oil cooler lines to the radiator. Refer to Oil Cooler Hose/Pipe Replacement in Automatic Transmission - 4L60-E.
  3. Install the engine oil cooler line to the radiator. Refer to Engine Oil Cooler Hose/Pipe Replacement .

    4. Object Number: 343920 Size: SH
  4. Install the radiator outlet hose to the radiator.
  5. Using the J 38185 reposition the radiator outlet hose clamp to the radiator.
  6. Install fan shroud. Refer to Fan Shroud Replacement .
  7. Install the radiator inlet hose to the radiator.
  8. Using the J 38185 reposition the radiator inlet hose clamp to the radiator.

    9. Object Number: 395873 Size: SH
  9. Install the coolant recovery reservoir hose to the radiator.
  10. Reposition the coolant recovery reservoir hose clamp to the radiator.
  11. Fill the cooling system. Refer to Cooling System Draining and Filling .