GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Caution: To help avoid personal injury, be careful when working in the vicinity of the generator battery disconnect control module. Internal components will still be live, 36V potential, even when the cover has been opened or removed.


    Object Number: 1831493  Size: SH
  1. Disconnect the hybrid battery. Refer to Hybrid Battery Service Disconnect/Connect .
  2. Remove the driver and passenger side rear compartment load floor stowage tray retainers (1, 3).
  3. Remove the driver and passenger side rear compartment load floor stowage tray (2, 4).
  4. Carefully remove the driver and passenger side foam insulator.
  5. Remove the left side rear quarter lower trim panels. Refer to Quarter Lower Rear Trim Panel Replacement .

  6. Object Number: 1820195  Size: SH
  7. Remove the 36 volt negative battery cable lead nut (8) from the body stud.

  8. Object Number: 1831800  Size: SH
  9. Remove the generator battery fuse (1) from the negative battery stud.

  10. Object Number: 1820195  Size: SH
  11. Disconnect the generator battery wiring harness electrical connector (1) from the body wiring harness electrical connector (2).
  12. Remove the cable shield lead nut (3) and cable lead (4) from the carrier.
  13. Remove the 36 volt positive battery cable lead nut (6).
  14. Remove the 36 volt positive battery cable lead (5).

  15. Object Number: 1831835  Size: SH
  16. Fold down the rear seat back.
  17. Remove the rear seat rear bolts.

  18. Object Number: 1831837  Size: SH
  19. Remove the generator battery front bolts (1) at the shock towers.
  20. Pull the generator battery carrier towards the rear of the vehicle and carefully remove the carrier from the vehicle

Installation Procedure


    Object Number: 1831837  Size: SH
  1. Carefully install the generator battery carrier to the vehicle.
  2. Loosely install the generator battery front bolts (1) at the shock towers.
  3. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1831835  Size: SH
  4. Install the rear seat rear bolts.
  5. Tighten

    1. Tighten the rear seat rear bolts to 50 N·m (37 lb ft).
    2. Tighten the generator battery bolts at the rear shock towers to 10 N·m (89 lb in).
  6. Lift up the rear seat back.

  7. Object Number: 1820195  Size: SH
  8. Install the 36 volt positive battery cable lead (5) to the generator battery.
  9. Install a NEW 36 volt positive battery cable lead nut (6). Start the nut finger tight, and then torque to the specification given.
  10. Tighten
    Tighten the nut to 15 N·m (11 lb ft).

  11. Install the cable shield lead (4) and the nut (3) to the carrier.
  12. Tighten
    Tighten the nut to 9 N·m (80 lb in).

  13. Connect the generator battery wiring harness electrical connector (1) to the body wiring harness electrical connector (2).

  14. Object Number: 1831800  Size: SH
  15. Install the generator battery fuse (1) to the negative battery stud.

  16. Object Number: 1820195  Size: SH
  17. Install the 36 volt negative battery cable lead and nut (8) to the body stud.
  18. Tighten
    Tighten the nut to 9 N·m (80 lb in).


    Object Number: 1831493  Size: SH
  19. Carefully install the driver and passenger side foam insulator.
  20. Install the driver and passenger side rear compartment load floor stowage tray (2, 4).
  21. Install the driver and passenger side rear compartment load floor stowage tray retainers (1, 3).
  22. Install the left side rear quarter lower trim panels. Refer to Quarter Lower Rear Trim Panel Replacement .
  23. Connect the hybrid battery. Refer to Hybrid Battery Service Disconnect/Connect .