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Home >> Buick >> 2012 >> Regal Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 18 (Hybrid/EV Energy Storage System) >> Repair Instructions >> Generator Battery Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
    WARNING:

    Ensure all High Voltage safety procedures are followed. Failure to follow the procedure exactly as written may result in serious injury or death.

    WARNING:

    Always perform the High Voltage Disabling procedure prior to servicing any High Voltage component or connection. Personal Protection Equipment (PPE) and proper procedures must be followed.

    The High Voltage Disabling procedure will perform the following tasks:

    • Identify how to disable high voltage.
    • Identify how to test for the presence of high voltage.
    • Identify condition under which high voltage is always present and personal protection equipment (PPE) and proper procedures must be followed.

    Before working on any high voltage system, be sure to wear the following Personal Protection Equipment:

    • Safety glasses with appropriate side shields when within 15 meters (50 feet) of the vehicle, either indoors or outdoors.
    • Certified and up-to-date Class "0" Insulation gloves rated at 1000V with leather protectors.
      • Visually and functionally inspect the gloves before use.
      • Wear the Insulation gloves with leather protectors at all times when working with the high voltage battery assembly, whether the system is energized or not.

    Failure to follow the procedures exactly as written may result in serious injury or death.

  1. Disable the hybrid battery. Refer to High Voltage Disabling .
  2. Remove the battery energy control module. Refer to Battery Energy Control Module Replacement .
  3. Remove the battery energy control module wiring junction block. Refer to Battery Energy Control Module Wiring Junction Block Replacement .
  4. Fig 1: Generator Battery Fasteners
    GM2603586Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Remember the location of fastener (1) as not to interfere with the installation of the generator control and battery module cover.

  5. Remove the generator battery fasteners (1) and (2).
  6. Fig 2: Mounting Location Fastener
    GM2603584Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Remember the location of fastener (1) as not to interfere with the installation of the generator control and battery module cover.

  7. Remove the fasteners (1) and (2).
  8. Remove the mounting location fastener (3).
  9. Fig 3: Generator Battery
    GM2603583Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Use high voltage protective gloves.

  10. Slide the generator battery (1) in the direction shown in the graphic.
  11. Fig 4: Intermediate Duct Seals
    GM2603580Courtesy of GENERAL MOTORS COMPANY
  12. With the help of a second technician, lift the generator battery (1) into the rear compartment area.
  13. Inspect the intermediate duct seals (2) and replace if damaged.