GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Caution: Keep hands, tools, and clothing away from the electric engine coolant fans in order to help prevent personal injury. These fans are electric and can turn on whether or not the engine is running. The fans can start automatically with the ignition in the ON position.


    Object Number: 208241  Size: SH
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.

  2. Object Number: 208553  Size: SH
  3. Disconnect the intake air temperature (IAT) and mass airflow (MAF) sensors electrical connectors, if equipped with the 5.7L engine.

  4. Object Number: 208569  Size: SH
  5. Remove the air intake duct resonator, if equipped with the 5.7L engine.

  6. Object Number: 208554  Size: SH
  7. Disconnect the electrical connector from the intake air temperature (IAT) sensor, if equipped with the 3.8L engine.

  8. Object Number: 208572  Size: SH
  9. Remove the air intake duct resonator, if equipped with the 3.8L engine.

  10. Object Number: 211602  Size: SH
  11. Disconnect the rosebud clips from the fans.

  12. Object Number: 221692  Size: SH
  13. Disconnect the coolant fan electrical connectors from the fans.

  14. Object Number: 221697  Size: SH
  15. Remove the air cleaner bolts.
  16. Remove the air cleaner.

  17. Object Number: 41692  Size: SH
  18. Remove the electric engine coolant fan. The fan will slide off of the radiator.

  19. Object Number: 342281  Size: SH
  20. Remove the fan blade nut.
  21. Caution: If a fan blade is bent or damaged in any way, do not repair or reuse the damaged part. Always replace a bent or damaged fan blade. Fan blades that have been damaged can not be assured of proper balance and could fail and fly apart during subsequent use. This creates an extremely dangerous situation.

    The fan blades must remain in proper balance. You cannot assure fan blade balance once a fan blade has been bent or damaged. A fan blade that is not in proper balance could fail and fly apart during use, creating an extremely dangerous situation.

  22. Remove the fan blade.
  23. Inspect for the following conditions:
  24. • Bent or cracked fan blades
    • Smoothness of the fan blade mating surfaces
    • Remove burrs or other imperfections as necessary

Installation Procedure


    Object Number: 342281  Size: SH
  1. Install the fan blade.
  2. Install the fan blade nut.
  3. Tighten
    Tighten the fan blade nut to 5.5 N·m (49 lb in).


    Object Number: 41692  Size: SH
  4. Install the electric engine coolant fan. The fan will slide into place on the radiator.

  5. Object Number: 221697  Size: SH
  6. Install the air cleaner.
  7. Install the air cleaner bolts.
  8. Tighten
    Tighten the air cleaner bolts to 12 N·m (106 lb in).


    Object Number: 221692  Size: SH
  9. Connect the coolant fan electrical connectors to the fans.

  10. Object Number: 211602  Size: SH
  11. Connect the rosebud clips to the fans.

  12. Object Number: 208572  Size: SH
  13. Install the air intake duct resonator, if equipped with the 3.8L engine.

  14. Object Number: 208554  Size: SH
  15. Connect the electrical connector to the IAT sensor, if equipped with the 3.8L engine.

  16. Object Number: 208569  Size: SH
  17. Install the air intake duct resonator, if equipped with the 5.7L engine.

  18. Object Number: 208553  Size: SH
  19. Connect the IAT and the MAF sensors electrical connectors, if equipped with the 5.7L engine.

  20. Object Number: 208241  Size: SH
  21. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.