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Home >> GMC >> 2022 >> Hummer EV >> Repair and Diagnosis >> Electrical >> Charging Systems >> Plug-In Charging System >> Repair Instructions >> Battery Charger Replacement >> Removal Procedure

Removal Procedure

  1. GM5902903Courtesy of GENERAL MOTORS COMPANY

    Rear Suspension Cradle (1) - Remove - Rear Suspension Cradle Removal and Installation

  2. GM5905773Courtesy of GENERAL MOTORS COMPANY

    Drive Motor Power Inverter Module Bolt (1) - Remove

  3. Drive Motor Power Inverter Module Nut (2) - Remove
  4. Drive Motor Power Distribution Control Module Hose (3) - Disconnect
  5. Rear Electric Drive Transmission Module Coolant Hose (4) - Disconnect
  6. Remove the drive motor power distribution control module hose retainers (5).
  7. Drive Motor Power Distribution Control Module Hose (6) - Remove
  8. GM5870383Courtesy of GENERAL MOTORS COMPANY

    Drive Motor Power Distribution Control Module Bolt (1) - Remove [3x]

  9. Drive Motor Power Distribution Control Module Protector (2) - Remove
  10. GM5870385Courtesy of GENERAL MOTORS COMPANY

    Remove the high voltage battery positive cable retainer (1).

  11. GM5870384Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

    Disconnect the electrical connectors. (1)

  12. Battery Positive Cable Shield Bolt (2) - Remove [2x]
  13. High Voltage Battery Positive Cable (3) - Reposition
  14. GM5870386Courtesy of GENERAL MOTORS COMPANY

    Disconnect the electrical connector. (1)

  15. Remove the battery positive and negative cable extension cable retainers (2).
  16. Battery Positive Cable Shield Bolt (3) - Remove [2x]
  17. Reposition the battery positive and negative cable extension cable (4).
  18. GM5864764Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

    Battery Negative Cable Nut (1) - Remove [2x]

  19. Starter Generator Negative Ground Cable (2) - Reposition [2x]
  20. GM5864765Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

    Drive Motor Power Distribution Control Module Bolt (1) - Remove [4x]

  21. Battery Charger (2) - Remove
  22. GM5864769Courtesy of GENERAL MOTORS COMPANY

    Auxiliary Battery Positive Cable Nut (1) - Remove

  23. Remove the battery positive and negative cable retainers (2).
  24. Battery Positive and Negative Cable (3) - Remove
  25. GM5905774Courtesy of GENERAL MOTORS COMPANY

    Drive Motor Power Inverter Module Cooling Inlet Hose Bracket Bolt (1) - Remove [2x]

  26. Drive Motor Power Inverter Module Bracket (2) - Remove
  27. High Voltage Connector (3) - Remove [2x]
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