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Home >> Cadillac >> 2021 >> CT4 Sport, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 57 (Engine Heating And Cooling - Repair Instructions (1 Of 2)) >> Repair Instructions >> Auxiliary Radiator Inlet Hose Replacement (LF4) >> 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. Charge Air Cooling System Draining and Filling 
  2. Raise and support the vehicle. Lifting and Jacking the Vehicle
  3. GM5873162
    NOTE:

    Left side shown, right side similar.

    Front Bumper Fascia Bolt- Right Side (1) - Remove [6x]

  4. Front Bumper Fascia Lower Stiffener Bolt- Right Side (2) - Remove
  5. Front Bumper Fascia Air Deflector Bolt- Right Side (3) - Remove [4x]
  6. GM5873163
    NOTE:

    Left side shown, right side similar.

    Front Bumper Fascia Air Deflector Bolt- Right Side (1) - Remove [6x]

  7. Front Bumper Fascia Lower Reinforcement- Right Side (2) - Remove
  8. GM5839403

    Front Bumper Fascia (1) - Remove - 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)

  9. GM5454422

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

  10. GM5454427

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

  11. GM5420756

    { If equipped } Forward Range Radar Bracket Bolt (1) - Remove [3x]

    12. NOTE:

    Forward range radar sensor will be with the bracket.

  12. { If equipped } Forward Range Radar Bracket (2) - Remove
  13. Disconnect the electrical connector.
  14. GM5873047
    NOTE:

    Left side shown, right side similar.

    Auxiliary Radiator Front Inlet Duct Retainer- Left Side and Right Side (1) - Remove [6x]

  15. GM5873049
    NOTE:

    Left side shown, right side similar.

    Auxiliary Radiator Front Inlet Duct- Left Side and Right Side (1) - Reposition [2x]

  16. Transmission Fluid Auxiliary Cooler Bracket Bolt- Left Side and Right Side (2) - Remove [2x]
  17. GM5485943
    NOTE:

    Left side shown, right side similar.

    Horn Bolt (1)- Left Side and Right Side - Remove [2x]

  18. Horn- Left Side and Right Side (2) - Reposition [2x]
  19. GM5873051

    Reposition the wiring harness.

  20. Front Bumper Impact Bar Bolt (1) - Remove [8x]
  21. Front Bumper Impact Bar (2) - Remove
  22. GM5454437

    Auxiliary Radiator Front Duct- Right Side (1) - Remove

  23. GM5876032

    Radiator Inlet Hose Clamp (2) - Disengage - Hose Clamp Replacement Guidelines - Spring Type 

  24. Auxiliary Radiator Inlet Hose (1) @ Engine Radiator - Remove
  25. GM5867788

    Using an appropriate tool, remove the auxiliary radiator inlet hose retainer (1) from the auxiliary radiator inlet hose connector at the right side charge air cooler.

  26. Remove the auxiliary radiator inlet hose (2) from the right side charge air cooler.
  27. Auxiliary Radiator Inlet Hose (1) - Remove
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