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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 >> Radiator Replacement (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. GM5423335

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

  3. GM5423336

    Radiator Air Front Lower Baffle (1) - Remove

  4. GM5429279

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

  5. Radiator Air Lower Baffle (2) - Remove
  6. GM5422324

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

  7. GM5422654

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

  8. Lower the vehicle.
  9. GM5420297

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

  10. Radiator Air Upper Baffle (2) - Remove
  11. GM5427430

    Wiring Harness Retainer (1) - Remove

  12. Radiator Upper Bracket Bolt (3) - Remove [4x]
  13. Radiator Upper Bracket (2) - Remove [2x]
  14. GM5427476

    Air Conditioning Evaporator Tube Clip Bolt (1) - Remove

  15. Air Conditioning Evaporator Tube Bracket (2) - Reposition
  16. Engine Coolant Fan Electrical Connector (3) @ Forward Lamp Wiring Harness (4) - Disconnect
  17. GM5479536

    Air Cleaner Bolt (1) - Remove

  18. Evaporative Emission Canister Purge Tube (2) - Disconnect - Plastic Collar Quick Connect Fitting Service
  19. Positive Crankcase Ventilation Tube (3) - Disconnect - Plastic Collar Quick Connect Fitting Service
  20. Electrical Connector (4) - Disconnect [2x]
  21. GM5479537

    Air Cleaner Outlet Duct Clamp (1) - Loosen

  22. Wiring Harness Retainer (2) @ Air Cleaner Assembly - Remove [4x]
  23. Engine Wiring Harness (3) - Reposition
  24. GM5479539

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

  25. GM5499729

    Air Conditioning Condenser Tube Clip (1) @ Engine Cooler Fan - Remove

  26. Auxiliary Radiator Outlet Pipe Clip (2) - Remove [2x]
  27. Auxiliary Radiator Inlet Pipe (3) - Reposition away
  28. GM5500927

    Auxiliary Radiator Outlet Pipe Clip (1) @ Engine Cooler Fan (2) - Remove

  29. GM5406711

    Engine Coolant Fan Bolt (2) - Remove [4x]

  30. Engine Cooler Fan (3) @ Engine Radiator (1) - Remove
  31. GM5429374

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

  32. GM5429377

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

  33. Remove the left radiator air side baffle (1) by manipulating from between the vehicle components.
  34. GM5429379

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

  35. Remove the right radiator air side baffle (1) by manipulating from between the vehicle components.
  36. GM5500775

    Radiator Inlet Hose Clamp (1) - Disengage - Hose Clamp Replacement Guidelines - Spring Type

  37. Auxiliary Radiator Inlet Hose (2) @ Engine Radiator - Remove
  38. GM5429388

    Radiator Surge Tank Inlet Hose Clamp (1) - Disengage - Hose Clamp Replacement Guidelines - Spring Type

  39. Radiator Surge Tank Inlet Hose (2) @ Engine Radiator - Remove
  40. Radiator Inlet Hose Clamp (4) - Disengage - Hose Clamp Replacement Guidelines - Spring Type
  41. Radiator Inlet Hose (3) @ Engine Radiator - Remove
  42. GM5448555

    Radiator Outlet Hose Clamp @ Engine Radiator (1) - Disengage - Hose Clamp Replacement Guidelines - Spring Type

  43. Radiator Outlet Hose (4) @ Engine Radiator - Remove
  44. GM5500477

    Air Conditioning Condenser Tube Bolt (1) - Remove

  45. GM5430363

    Air Conditioning Condenser Bolt (2) - Remove

  46. Lift upward on the air conditioning condenser (1) releasing it from the air conditioning condenser brackets.
  47. Without evacuating the system or disconnecting the air conditioning compressor and condenser hose, reposition the air condition condenser (1) forward.
  48. GM5430368

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

  49. Without disconnecting the charge air inlet and outlet cooler tubes, lift up on the charge air cooler (2) and reposition.
  50. GM5500879

    Transmission Fluid Cooler Pipe Bracket Bolt (1) - Remove

  51. Without disconnecting the transmission fluid cooler inlet and outlet pipe, remove the transmission fluid auxiliary cooler (2) from the 2 air conditioning condenser brackets and reposition forward.
  52. GM5430387

    Engine Coolant Temperature Indicator Switch Connector (1) @ Engine Coolant Temperature Sensor (2) - Disconnect

  53. GM5430392

    Engine Radiator (1) - Remove

  54. GM5430398

    Engine Coolant Temperature Sensor Retainer (1) - Remove

  55. Engine Coolant Temperature Sensor (2) - Remove
  56. Radiator Lower Insulator (3) - Remove [2x]
  57. GM5430410

    Air Conditioning Condenser Bracket Bolt (1) - Remove [2x]

  58. Air Conditioning Condenser Bracket (2) @ Engine Radiator (3) - Remove [2x]