GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 771469  Size: SH
  1. Remove the relay or retaining bracket (3) and screws (2), if equipped.

  2. Object Number: 771470  Size: SH
  3. Disconnect the wiring harness from the fan shroud.
  4. Discharge the air conditioning (A/C) and remove the lines from the compressor.
  5. The lines lay across the top of the fan shroud.

  6. Remove the fan shroud bolts, upper half.
  7. Remove the fan shroud, upper half.
  8. The vehicle is equipped with an electronic viscous clutch with an additional fan shroud surrounding the fan. The following are required for the removal:
  9. 6.1. Remove the 3 bolts holding the shroud that surrounds the fan assembly.
    6.2. Remove the fan clutch from the cooling fan pulley.
    6.3. Remove the fan and shroud as an assembly and then separate.
    6.4. Remove the lower fan shroud bolts and lower fan shroud from the vehicle.

Installation Procedure

  1. The vehicle is equipped with an electronic viscous clutch with an additional fan shroud surrounding the fan. The following are required for installation:
  2. 1.1. Install the lower fan shroud and lower fan shroud bolts to the vehicle.
    1.2. Install the fan/shroud assembly .
    1.3. Install the fan clutch to the cooling fan pulley.
    1.4. Install the 3 bolts holding the shroud that surrounds the fan assembly.

    Object Number: 771470  Size: SH
  3. Install the fan shroud.
  4. Notice: Refer to Fastener Notice in the Preface section.

  5. Install the fan shroud bolts.
  6. Tighten
    Tighten the bolts to 6 N·m (53 lb in).


    Object Number: 771469  Size: SH
  7. Install the relay or retaining bracket (3) and screws (2), if equipped.
  8. Tighten
    Tighten the screws to 5 N·m (44 lb in).

  9. Install the coolant reservoir return hose to the fan shroud.
  10. Install the wiring harness to the fan shroud.