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Home >> GMC >> 2022 >> Hummer EV >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Cooling Systems >> Hybrid/EV System Heating And Cooling System >> Repair Instructions >> Drive Motor Control Module Radiator Inlet Hose Replacement >> Removal Procedure

Removal Procedure

  1. Turn vehicle power OFF and remove all keyless entry transmitters from the vehicle and secure in a place outside the vehicle.
  2. Drain the drive motor battery cooling system. Drive Motor Battery Cooling System Draining and Filling 
  3. GM5795061Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Left side shown, right side similar.

    Front Bumper Fascia Bolt- Left Side and Right Side (1) - Remove [2x]

  4. Using a suitable plastic trim tool, release the retaining tabs.
  5. Front Bumper Fascia Skid Plate- Left Side and Right Side (2) - Reposition [2x]
  6. GM5810304Courtesy of GENERAL MOTORS COMPANY

    Underbody Splash Shield Bolt- Upper (1) - Remove [6x]

  7. Underbody Splash Shield Bolt- Lower (2) - Remove [3x]
  8. Disconnect the electrical connector.
  9. Underbody Splash Shield (3) - Remove
  10. GM5793437Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

    Retainer (2) - Release

  11. Drive Motor Control Module Radiator Inlet Hose (1) @ Hybrid/EV Propulsion System Coolant Control Valve 1 - Remove
  12. GM5795318Courtesy of GENERAL MOTORS COMPANY

    Radiator Inlet Hose Clip (2) @ Engine Cooler Fan - Remove

  13. GM5795335Courtesy of GENERAL MOTORS COMPANY

    Retainer (2) - Release

  14. Drive Motor Control Module Radiator Inlet Hose (1) @ Engine Radiator - Remove
  15. Drive Motor Control Module Radiator Inlet Hose (1) - Remove