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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 >> Radiator 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. GM5788843Courtesy of GENERAL MOTORS COMPANY

    Front Bumper Fascia (1) - Remove - Front Bumper Fascia Removal and Installation

  3. Drain the drive motor battery cooling system. Drive Motor Battery Cooling System Draining and Filling 
  4. GM5810304Courtesy of GENERAL MOTORS COMPANY

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

  5. Underbody Splash Shield Bolt- Lower (2) - Remove [3x]
  6. Disconnect the electrical connector.
  7. Underbody Splash Shield (3) - Remove
  8. GM5787358Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Left side shown, right side similar.

    Disconnect and reposition harness as necessary.

  9. Drive Motor Battery Control Module Bracket Nut- Left Side and Right Side (2) - Remove [4x]
  10. Drive Motor Control Module Bracket- Left Side and Right Side (1) - Reposition away [2x]
  11. GM5835071Courtesy of GENERAL MOTORS COMPANY

    Radiator Support Bolt (1) - Remove [4x]

  12. Radiator Upper Support (2) - Remove
  13. GM5835008Courtesy of GENERAL MOTORS COMPANY

    Push in tabs on connector (1) to release internal retainers.

  14. Drive Motor Battery Surge Tank Inlet Hose (2) @ Engine Radiator - Remove
  15. GM5786003Courtesy of GENERAL MOTORS COMPANY

    Radiator Air Upper Baffle Retainer (1) - Remove [4x]

  16. Radiator Air Upper Baffle (2) - Remove
  17. GM5795699Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Left side shown, right side similar.

    Front Bumper Shutter Bolt (1)- Left Side and Right Side - Remove [4x]

  18. Hood Front Bumper Bracket Support- Left Side and Right Side (2) - Remove [2x]
  19. GM5798585Courtesy of GENERAL MOTORS COMPANY

    Front Bumper Shutter Bolt (1) - Remove [6x]

  20. Disconnect the electrical connector.
  21. Front Bumper Shutter (2) - Remove
  22. GM5787135Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

    Radiator Air Side Baffle Retainer (2) @ Radiator Air Side Baffle (1) - Remove

  23. Radiator Air Side Baffle- Left Side (1) - Remove
  24. GM5787362Courtesy of GENERAL MOTORS COMPANY

    Retainer (1) - Release

  25. Drive Motor Control Module Radiator Outlet Hose (2) @ Engine Radiator - Remove
  26. GM5786824Courtesy of GENERAL MOTORS COMPANY

    { If equipped } Hood Primary Latch Release Cable Clip (2) @ Radiator Air Side Baffle (1) - Remove

  27. GM5786825Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

    Radiator Air Side Baffle Retainer (2) @ Radiator Air Side Baffle (1) - Remove

  28. Radiator Air Side Baffle- Right Side (1) - Remove
  29. GM5795335Courtesy of GENERAL MOTORS COMPANY

    Retainer (2) - Release

  30. Drive Motor Control Module Radiator Inlet Hose (1) @ Engine Radiator - Remove
  31. GM5810423Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

    Radiator Bolt (1) - Remove [2x]

  32. GM5810424Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

    Radiator Bolt (1) - Remove [2x]

  33. Engine Radiator (2) - Remove