GM Service Manual Online
For 1990-2009 cars only

Cooling Fan and Shroud Replacement HP2


Object Number: 1966883  Size: MF

Callout

Component Name

Preliminary Procedures

  1. Remove the radiator air upper baffle. Refer to Radiator Air Upper Baffle and Deflector Replacement .
  2. Remove air cleaner resonator outlet duct. Refer to Air Cleaner Resonator Outlet Duct Replacement .
  3. Reposition radiator vent hose.
  4. Remove the radiator surge tank. Refer to Radiator Surge Tank Replacement .
  5. Disconnect engine coolant fan electrical connectors.
  6. Disconnect engine coolant fan resistor electrical connectors.
  7. Remove the generator control module coolant pump hose (pump to radiator). Refer to Generator Control Module Coolant Pump Hose Replacement .
  8. Remove the generator control module coolant outlet hose. Refer to Generator Control Module Coolant Outlet Hose Replacement .
  9. Remove the trans cooler line clip from right side of shroud.

1

Cooling Fan Shroud Bolt (Qty: 2)

2

Cooling Fan Shroud

Tip

    • Lift cooling fan and shroud in and upward.
    • Transfer parts as required.

Cooling Fan and Shroud Replacement Non-HP2

Removal Procedure

  1. Drain the cooling system. Refer to Cooling System Draining and Filling
  2. Remove air inlet duct.
  3. Disconnect upper radiator hose from radiator.

  4. Object Number: 1486075  Size: SH
  5. Disengage the radiator inlet hose clip (2) at the fan shroud.

  6. Object Number: 1698684  Size: SH
  7. If necessary, reposition the surge tank inlet hose clamp at the radiator.
  8. If necessary, remove the surge tank inlet hose from the radiator.

  9. Object Number: 1480471  Size: SH
  10. Disconnect the electrical connectors from the cooling fans.
  11. Remove the clip attaching the wiring harness to the shroud.
  12. Remove transmission cooler lines bolts from fan shroud.

  13. Object Number: 1486208  Size: SH
  14. If necessary, open the engine oil cooler line clip and remove the cooler lines from the clip.

  15. Object Number: 1485882  Size: SH
  16. Remove the cooling fan shroud bolts.
  17. Remove the cooling fan and shroud.

Installation Procedure


    Object Number: 1485882  Size: SH

    Note: Insert the 3 lower tabs into the radiator support flange. Keeping the shroud parallel to the radiator will ensure the correct installation of the lower tabs.

  1. Install the cooling fan and shroud.
  2. Caution: Refer to Fastener Caution in the Preface section.

  3. Install the cooling fan shroud bolts.
  4. Tighten
    Tighten the bolts to 9 N·m (80 lb in).


    Object Number: 1486208  Size: SH
  5. If equipped, install the cooler lines to the clip and close the clip.

  6. Object Number: 1480471  Size: SH
  7. Connect the electrical connectors to the cooling fans.
  8. Install the clip attaching the wiring harness to the shroud.
  9. Install the transmission cooling line bolts to fan shroud.
  10. Tighten
    Tighten the bolts to 4 N·m (35 lb in).


    Object Number: 1698684  Size: SH
  11. If necessary, install the surge tank inlet hose to the radiator.
  12. If necessary, reposition the surge tank inlet hose clamp at the radiator.

  13. Object Number: 1486075  Size: SH
  14. Engage the radiator inlet hose clip (2) at the fan shroud.
  15. Connect upper radiator hose from radiator.
  16. Install air inlet duct.
  17. Fill the cooling system. Refer to Cooling System Draining and Filling