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Home >> Cadillac >> 2021 >> CT4 Sport, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 60 (Engine Controls And Fuel - 2.7L (L3B) - Repair Instructions) >> Repair Instructions >> Charge Air Cooler Replacement >> 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. Raise and support the vehicle. Lifting and Jacking the Vehicle
  2. GM5407645

    Front Bumper Fascia Center Air Deflector Screws (1) - Remove [10x]

  3. GM5407644

    Front Bumper Fascia Center Air Deflector Screw (1) - Remove [6x]

  4. Front Bumper Fascia Center Air Deflector Bolt (2) - Remove [5x]
  5. Front Bumper Fascia Center Air Deflector Retainer (3) - Remove [2x]
  6. GM5407648

    Pull the front bumper fascia center air deflector (1) rearward and down from the front bumper fascia.

  7. GM5315104

    Radiator Air Lower Seal Retainer (1) - Remove [6x]

  8. Radiator Air Lower Baffle Retainer (2) - Remove
  9. GM5315124

    Radiator Air Lower Baffle (1) - Remove

  10. GM5423335

    Radiator Air Front Lower Baffle Retainer (1) - Remove [3x]

  11. GM5423336

    Radiator Air Front Lower Baffle (1) - Remove

  12. GM5422324

    Radiator Air Seal Retainer (1) - Remove [2x]

  13. Lower the vehicle.
  14. GM5313403

    Radiator Upper Bracket Bolt (1) - Remove [2x]

  15. Radiator Upper Bracket (2) - Remove
  16. GM5422325

    Radiator Air Upper Baffle Retainer (1) - Remove

  17. Radiator Air Seal Retainer (2) - Remove [2x]
  18. GM5422326

    Wiring Harness Retainer (1) @ Radiator Air Side Baffle - Remove

  19. GM5422327

    Remove the radiator air side baffle (1) by manipulating it from beneath the radiator air upper baffle and from between the vehicle components.

  20. Raise and support the vehicle. Lifting and Jacking the Vehicle
  21. GM5422654

    Radiator Air Seal Retainer (1) - Remove [2x]

  22. Remove the support and lower the vehicle.
  23. GM5313404

    Wiring Harness Retainer (1) - Remove

  24. Radiator Upper Bracket Bolt (2) - Remove [2x]
  25. Radiator Upper Bracket (3) - Remove
  26. GM5427515

    Wiring Harness Retainer (1) @ Air Cleaner Assembly - Remove [3x]

  27. Positive Crankcase Ventilation Tube (2) - Disconnect - Plastic Collar Quick Connect Fitting Service
  28. Evaporative Emission Canister Purge Tube (3) - Disconnect - Plastic Collar Quick Connect Fitting Service
  29. Electrical Connector (4) - Disconnect [2x]
  30. GM5427523

    Air Cleaner Bolt (1) - Remove

  31. Air Cleaner Outlet Duct Clamp (2) - Loosen
  32. GM5427525

    Remove the air cleaner (1) and air cleaner outlet duct (2) as an assembly.

  33. GM5422705

    Radiator Air Upper Baffle Retainer (1) - Remove

  34. Radiator Air Seal Retainer (2) - Remove [2x]
  35. GM5422758

    Remove the radiator air side baffle (1) by manipulating it from beneath the radiator air upper baffle and from between the vehicle components.

  36. GM5420297

    Radiator Air Upper Baffle Retainer (1) - Remove [7x]

  37. Radiator Air Upper Baffle (2) - Remove
  38. GM5399157

    Retainer Spring (1) - Release

  39. Charge Air Cooler Outlet Air Tube (2) @ Throttle Body (3) - Remove
  40. Raise and support the vehicle. Lifting and Jacking the Vehicle
  41. GM5399160

    Retainer Spring (1) - Release

  42. Charge Air Cooler Outlet Air Tube (2) @ Charge Air Cooler (3) - Remove
  43. GM5399142

    Retainer Spring (1) - Release

  44. Charge Air Cooler Inlet Air Tube (2) @ Turbocharger (3) - Remove
  45. GM5399146

    Retainer Spring (1) - Release

  46. Charge Air Cooler Inlet Air Tube (2) @ Charge Air Cooler (3) - Remove
  47. GM5399175

    Charge Air Cooler Bolt (1) - Remove [2x]

  48. Charge Air Cooler (2) - Remove
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