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Home >> Cadillac >> 2018 >> CT6 Plug-In >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Electric Converters and Controllers >> Hybrid/EV Control System >> Repair Instructions >> Drive Motor Power Inverter Module 3 Phase Cable Replacement >> Removal Procedure

Removal Procedure

  1. Disable the high voltage system. High Voltage Disabling
  2. GM4242573Courtesy of GENERAL MOTORS COMPANY

    Air Inlet Grille Panel (2) - Remove - Air Inlet Grille Panel Replacement

  3. GM4254461Courtesy of GENERAL MOTORS COMPANY

    Front End Sheet Metal Cross Brace (2) - Remove - Front End Sheet Metal Cross Brace Replacement

  4. GM4485043Courtesy of GENERAL MOTORS COMPANY

    High Voltage Cable Connector Cover Bolt (1) - Remove [4x]

  5. High Voltage Cable Connector Cover (2) - Remove [2x]
  6. High Voltage Cable Connector Cover Seal (3) - DISCARD the seal. [2x]
  7. GM4485078Courtesy of GENERAL MOTORS COMPANY

    High Voltage Terminal Bolt (1) - Remove [6x]

  8. GM4262297Courtesy of GENERAL MOTORS COMPANY

    Air Inlet Deflector Water Deflector (1) - Remove - Air Inlet Deflector Water Deflector Replacement

  9. GM4485085Courtesy of GENERAL MOTORS COMPANY

    Protective Terminal Cover (2) - Remove

  10. Cable Retainer Nut (1) - Remove
  11. Drive Motor Power Inverter Module Connector (4) - Disconnect
  12. Drive Motor Power Inverter Module 3-Phase Cable (3) - Remove
  13. Raise and support the vehicle. Lifting and Jacking the Vehicle
  14. Support the transmission with a suitable jack.
  15. Transmission Support Crossmember - Remove - Transmission Support Crossmember Replacement (LTG without HP9)Transmission Support Crossmember Replacement (LTG with HP9)Transmission Support Crossmember Replacement (LGX, LGW)
  16. Lower the transmission 40mm to access the high voltage cable covers.
  17. GM4481456Courtesy of GENERAL MOTORS COMPANY

    Drive Motor Power Inverter Module 3-Phase Cable (4, 5) - Remove - Transmission Replacement

  18. GM4549573Courtesy of GENERAL MOTORS COMPANY

    Cable Retainer Fastener (1) - Remove

  19. Retainer (2) - Disengage
  20. GM4549527Courtesy of GENERAL MOTORS COMPANY

    Electrical Connector (1) - Disconnect

  21. Retainer (2) - Disengage [2x]
  22. Lower the vehicle.
  23. GM4549585Courtesy of GENERAL MOTORS COMPANY

    Front Wheelhouse Panel Brace Nut (1) - Remove [4x]

  24. Front Wheelhouse Panel Brace (2) - Remove
  25. GM5045300Courtesy of GENERAL MOTORS COMPANY

    Front Wheelhouse Panel Brace Nut (1) - Remove

  26. Drive Motor Power Inverter Module 3-Phase Cable (2) - Remove