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Removal Procedure

    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.

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

  1. Disable High Voltage. Refer to High Voltage Disabling .
  2. Remove Rear Compartment Floor Stowage Trim Compartment Rear Compartment Floor Stowage Trim Compartment Replacement
  3. Disconnect Battery Negative Cable Battery Negative Cable Disconnection and Connection
  4. Drain the cooling system. Drive Motor Generator Power Inverter Module Cooling System Draining and Filling
  5. CAUTION:

    Ensure the cooling system is drained, and hoses are removed prior to disconnecting any electrical connections. Failure to do this may result in damage to the electrical connectors or components. Any damaged electrical connectors or components must be replaced.

    Fig 1: Clamp And Electrical Connector
    GM4091469Courtesy of GENERAL MOTORS COMPANY
  6. Loosen Clamp (3, 5) BO-38185  pliers
  7. Remove Coolant Hose
  8. Disconnect Electrical Connector (2, 4)
  9. Remove the battery positive and negative cable nut (APM ground cable) (6).
  10. Remove the battery positive and negative cable nut (B+ APM Module to Battery Fuse Block) (7).
  11. Remove 2 the accessory dc power control module nuts (1).
  12. Remove the accessory dc power control module bolt (8).
  13. Remove the accessory dc power control module (9).