GM Service Manual Online
For 1990-2009 cars only

Generator Replacement 3.6L Engine

Removal Procedure

    Caution: Refer to Safety Glasses Caution in the Preface section.

    Caution: Refer to Vehicle Lifting Caution in the Preface section.

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Caution: Refer to Battery Disconnect Caution in the Preface section.

  3. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection.
  4. Remove the drive belt from the alternator. Refer to Drive Belt Replacement.

  5. Object Number: 1949853  Size: SH
  6. Disconnect the electrical connector (3) from the alternator.
  7. Reposition the protective boot from the alternator output terminal for access.
  8. Remove the alternator output terminal nut (1) and disconnect the battery positive lead  from the alternator.

  9. Object Number: 1949855  Size: SH
  10. Remove the alternator to alternator retaining nuts (1).
  11. Remove the alternator to alternator bracket retaining studs (2).
  12. Remove the alternator from the vehicle (3).

Installation Procedure


    Object Number: 1949855  Size: SH
  1. Install the alternator (3) to the alternator mounting bracket.
  2. Install the alternator to alternator bracket retaining studs (2).
  3. Instal the alternator to alternator bracket retaining nuts (1).
  4. Tighten
    Tighten the nut to xx N·m (xx lb in).


    Object Number: 1949853  Size: SH
  5. Install the battery positive lead and the alternator terminal nut (1) to the alternator.
  6. Tighten
    Tighten the nut to 13 N·m (115 lb in).

  7. Install the terminal boot.
  8. Connect the electrical connector (3) to the alternator.
  9. Lower the vehicle.
  10. Install the drive belt to the alternator. Refer to Drive Belt Replacement.
  11. Connect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection.