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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 134 (Engine Heating And Cooling - Repair Instructions (2 Of 2)) >> Repair Instructions >> Engine Auxiliary Radiator Replacement - Right Side (L3B) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
  1. Drain the cooling system. Refer to Cooling System Draining and Filling (L3B Static Fill) , or Cooling System Draining and Filling (L3B GE 47716)
  2. Remove the right front tire and wheel assembly. Tire and Wheel Removal and Installation
  3. GM5394612
    NOTE:
    • Quantity of fasteners may vary based on option content.
    • Left side shown, right side similar.

    Front Tire Front Air Deflector Bolt- Right Side (1) - Remove [4x]

  4. Front Tire Front Air Deflector- Right Side (2) - Remove
  5. GM5422163
    NOTE:

    Left side shown, right side similar.

    Front Bumper Fascia Air Deflector Bolt- Right Side (1) - Remove [3x]

  6. Front Bumper Fascia Bolt- Right Side (2) - Remove [2x]
  7. GM5439107
    NOTE:
    • Quantity of fasteners may vary based on option content.
    • Left side shown, right side similar.

    Engine Front Splash Shield Retainer- Right Side (3) - Remove [2x]

  8. Engine Front Splash Shield Bolt- Right Side (1) - Remove [5x]
  9. Engine Front Splash Shield- Right Side (2) - Remove
  10. GM5470175

    Front Wheelhouse Liner Bolt- Right Side (1) - Remove [6x]

  11. Front Wheelhouse Liner Retainer- Right Side (2) - Remove
  12. Front Wheelhouse Liner- Right Side (3) - Reposition
  13. GM5470177

    Auxiliary Radiator Duct Retainer (1) - Remove [3x]

  14. GM5470179

    Auxiliary Radiator Rear Duct (1) - Remove

  15. Remove the front bumper fascia. Front Bumper Fascia Removal and Installation (without Blackwing) , or Front Bumper Fascia Removal and Installation (with Blackwing) , or Front Bumper Fascia Removal and Installation (with Blackwing CFV, CFZ)
  16. GM5454422

    Auxiliary Radiator Duct Retainer (1) - Remove [3x]

  17. GM5454427

    Auxiliary Radiator Duct Retainer (1) - Remove [2x]

  18. GM5410889
    NOTE:

    The front bumper fascia support brace (2) may have a forward range radar sensor attached, if equipped.

    Front Bumper Fascia Support Brace Bolt (1) - Remove [3x]

  19. Front Bumper Fascia Support Brace (2) - Remove
  20. Disconnect the electrical connector from the forward range radar sensor, if equipped.
  21. GM5518513

    Intake Air Duct Retainer (1) - Remove [2x]

  22. Radiator Air Lower Seal Retainer (2) - Remove [2x]
  23. Radiator Air Lower Baffle Retainer (3) - Remove [2x]
  24. GM5422202

    Front End Sheet Metal Cross Brace Bolt (1) - Remove [4x]

  25. Front End Sheet Metal Cross Brace (2) - Remove [2x]
  26. GM5485943

    Horn Bolt (1) - Remove [2x]

  27. Horn (2) - Reposition [2x]
  28. GM5412380

    Reposition the wiring harness.

  29. Front Bumper Impact Bar Bolt (1) - Remove [8x]
  30. Front Bumper Impact Bar (2) - Remove
  31. GM5454437

    Auxiliary Radiator Front Duct (1) - Remove

  32. GM5471805

    Using an appropriate tool, disengage the radiator inlet hose retainer (1).

  33. Auxiliary Radiator Inlet Hose (2) - Remove
  34. GM5471809

    Radiator Outlet Hose Clip (3) - Remove

  35. Using an appropriate tool, disengage the radiator outlet hose retainer (2).
  36. Radiator Outlet Hose (1) @ Engine Auxiliary Radiator - Remove
  37. GM5471812

    Charge Air Cooler Bracket Bolt (1) - Remove [3x]

  38. Charge Air Cooler Upper Bracket Nut (2) - Loosen
  39. GM5471814

    Remove the engine auxiliary radiator assembly (1) from the vehicle.

  40. GM5471816

    Charge Air Cooler Upper Insulator (3) - Remove [2x]

  41. Charge Air Cooler Upper Bracket Nut (2) - Remove [2x]
  42. Charge Air Cooler Bracket Bolt (1) - Remove [2x]
  43. GM5471818

    Charge Air Cooler Bracket- Upper (1) - Remove

  44. Remove the engine auxiliary radiator (2) from the charge air cooler bracket (3).