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Home >> Cadillac >> 2024 >> LYRIQ Tech, AWD >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Electric Converters and Controllers >> Hybrid/EV Controls >> Repair Instructions >> Drive Motor Power Inverter Module Replacement >> Installation Procedure
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Installation Procedure

  1. GM5951353Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Drive motor control module cooling outlet hose fitting seal is not serviceable separately.

    Drive Motor Control Module Cooling Inlet Hose Fitting (1) - Install

  2. CAUTION:

    Refer to Fastener Caution .

  3. Transmission Fluid Cooler Pipe Bolt (2) - Install and tighten - Fastener Specifications
  4. GM6029007Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

    Drive Motor Power Inverter Module (2) - Install

  5. Drive Motor Power Inverter Module Bolt (1) - Install and tighten in sequence [16x] - Fastener Specifications
  6. GM6029006Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

    Drive Motor Power Inverter Module Connector Bolt (1) - Install and tighten [3x] - Fastener Specifications

  7. GM6029005Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

    Drive Motor Power Inverter Module Cover (2) - Install

  8. Drive Motor Power Inverter Module Cover Bolt (1) - Install and tighten [4x] - Fastener Specifications
  9. GM6029004Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

    Retainer (2) - Engage [2x]

  10. Electrical Connector (1) - Connect
  11. GM6029002Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

    Rear Electric Drive Transmission Module Coolant Hose (2) - Install

  12. Retainer (1) @ Rear Electric Drive Transmission Module Coolant Hose (2) - Engage
  13. GM5951439Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Transmission fluid cooler pipe seals are not serviceable separately.

    Transmission Fluid Cooler Pipe (1) - Install NEW

  14. Transmission Fluid Cooler Pipe Bolt (2) - Install and tighten [2x] - Fastener Specifications
  15. GM5994997Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

    Rear Drive Motor Mount (2) Install

  16. CAUTION:

    This vehicle is equipped with torque-to-yield or single use fasteners. Install a NEW torque-to-yield or single use fastener when installing this component. Failure to replace the torque-to-yield or single use fastener could cause damage to the vehicle or component.

  17. Rear Drive Motor Mount Bolt (3) - Install NEW and tighten [3x] - Fastener Specifications
  18. Lower the overhead hoist, and rotate the rear suspension cradle (1) back into position.
  19. GM5994957Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

  20. CAUTION:

    This vehicle is equipped with torque-to-yield or single use fasteners. Install a NEW torque-to-yield or single use fastener when installing this component. Failure to replace the torque-to-yield or single use fastener could cause damage to the vehicle or component.

  21. Rear Drive Motor Mount Bolt (1) - Install NEW and tighten - Fastener Specifications
  22. GM5994944Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    This vehicle is equipped with torque-to-yield or single use fasteners. Install a NEW torque-to-yield or single use fastener when installing this component. Failure to replace the torque-to-yield or single use fastener could cause damage to the vehicle or component.

    NOTE:

    Some components not shown for graphic clarity.

    Rear Drive Motor Rear Mount Bolt (1) - Install NEW and tighten [2x] - Fastener Specifications

  23. GM5949046Courtesy of GENERAL MOTORS COMPANY

    Position the rear chassis wiring harness (4) into place at the rear suspension cradle.

  24. NOTE:

    Quantity of retainers may vary based on option content.

  25. Wiring Harness Retainer (1 - 3) @ Rear Suspension Cradle - Install
  26. GM5948972Courtesy of GENERAL MOTORS COMPANY

    Position the front chassis wiring harness (5) into place at the rear suspension cradle.

  27. NOTE:

    Quantity of retainers may vary based on option content.

  28. Connect the wiring harness retainers as necessary. (3, 4)
  29. NOTE:

    Quantity of connectors may vary based on option content.

  30. Connect the electrical connectors. (1, 2)
  31. GM5946879Courtesy of GENERAL MOTORS COMPANY

    Wiring Harness Retainer (1) @ Rear Suspension Cradle - Install

  32. GM5946870Courtesy of GENERAL MOTORS COMPANY

    Install the 2 left and right side coil springs and insulators (1).

  33. GM5946931Courtesy of GENERAL MOTORS COMPANY

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

  34. Run all necessary programming and setup procedures. Control Module References