GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2004 🢒 GTO 🢒 HVAC 🢒 Heating, Ventilation and Air Conditioning 🢒 Engine Coolant Fan Replacement

Removal Procedure

    Caution: Refer to Battery Disconnect Caution in the Preface section.

  1. Disconnect the negative battery cable.

    2. Object Number: 1293684 Size: SH
  2. Lift the locking lever on the mass air flow (MAF) sensor, then disconnect the MAF sensor electrical connector (1).
  3. Lift the locking lever on the intake air temperature (IAT) sensor, then disconnect the IAT sensor electrical connector (2).
  4. Loosen two intake duct clamps (3), then remove the duct.
  5. Drain the cooling system. Refer to Cooling System Draining and Filling .
  6. Remove the vapor hose from the radiator fan shroud clips.
  7. Remove the vapor hose to radiator clamp and position aside.
  8. Remove the vapor hose to surge tank clamp at the radiator and position aside.

    9. Object Number: 1277309 Size: SH
  9. Remove five upper shroud to radiator retainers (1).
  10. Lift the shroud (2) on the right side, then release the locating tab on the left side.
  11. Remove the radiator outlet hose. Refer to Radiator Outlet Hose Replacement .

    12. Object Number: 1277310 Size: SH
  12. Remove the coolant vapor hose (1) from the fan shroud retaining clip.
  13. Disconnect the left side cooling fan motor electrical connector (2).
  14. Disconnect the right side cooling fan motor electrical connector (3).

    15. Object Number: 1277312 Size: SH

    Important: To avoid damage to the fan motor shaft, do not lift the fan and shroud assembly by the fan rings.

  15. Push down on the fan shroud locking tab (1), then lift the fan and should assembly upwards to remove.

    16. Object Number: 1277322 Size: SH
  16. Disconnect the intermediate fan motor electrical connector (1), then remove the motor assembly wire harness (2) from the fan shroud retaining clips.
    17. 16.1. Remove four screws (3), attaching the fan motor and the fan assemblies to the fan shroud.
    16.2. Remove the fan motor and wiring from the fan shroud.

Installation Procedure

    Object Number: 1277322 Size: SH
  1. Position the fan motor assembly.

    2. Notice: Refer to Fastener Notice in the Preface section.

    1.1. Install four screws (3), attaching the fan motor and the fan assemblies to the fan shroud.

    Tighten
    Tighten the fan motor screws to 5 N·m (62 lb in).

    1.2. Install the motor assembly wire harness (2) to the fan shroud retaining clips, then connect the intermediate fan motor electrical connector (1).

    Important: To avoid damage to the fan motor shaft, do not lift the fan and shroud assembly by the fan rings.

  2. Install the fan and shroud assembly.

    3. Object Number: 1277310 Size: SH
  3. Connect the right side cooling fan motor electrical connector (3).
  4. Connect the left side cooling fan motor electrical connector (2).
  5. Install the coolant vapor hose (1) to the fan shroud retaining clip.
  6. Install the radiator outlet hose. Refer to Radiator Outlet Hose Replacement .

    7. Object Number: 1277309 Size: SH
  7. Lift the shroud (2) on the right side, then install the locating tab on the left side.
  8. Install five upper shroud to radiator retainers (1).
  9. Install the vapor hose to surge tank clamp at the radiator.
  10. Install the vapor hose to radiator clamp.
  11. Install vapor hose to the radiator fan shroud clips.
  12. Refill the cooling system. Refer to Cooling System Draining and Filling .

    13. Object Number: 1293684 Size: SH
  13. Position the intake duct then install two intake duct clamps (3).
  14. Connect the IAT sensor electrical connector (2).
  15. Connect the MAF sensor electrical connector (1).

    16. Caution: Refer to Battery Disconnect Caution in the Preface section.

  16. Connect the negative battery cable.