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Home >> Cadillac >> 2021 >> CT4 Sport, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 279 (Engine Cooling System - Repair Instructions) >> Repair Instructions >> Engine Coolant Fan Module Radiator Assembly Removal and Installation (LT4) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2022 Cadillac CT5. However, it is still accessible from the selected car via links, so may be relevant.
  1. Intake Manifold Cover - Remove - Intake Manifold Cover Replacement
  2. Drain the charge air cooling system. Charge Air Cooling System Draining and Filling (LT4) 
  3. Drain the cooling system. Cooling System Draining and Filling (LT4 Static Fill) , or Cooling System Draining and Filling (LT4 GE 47716) 
  4. Recover the refrigerant. Refrigerant Recovery and Recharging
  5. GM5831524Courtesy of GENERAL MOTORS COMPANY

    Air Cleaner Outlet Duct (1) - Remove - Air Cleaner Outlet Duct Replacement

  6. GM5872916Courtesy of GENERAL MOTORS COMPANY

    Radiator Surge Tank Inlet Hose (2) @Engine Radiator - Remove - Radiator Surge Tank Inlet Hose Replacement (LT4 Radiator Surge Tank to Radiator Surge Tank Outlet Pipe) , or Radiator Surge Tank Inlet Hose Replacement (LT4 From Radiator Surge Tank Outlet Pipe to Engine Radiator and Water Outlet) 

  7. GM5831521Courtesy of GENERAL MOTORS COMPANY

    Air Cleaner Assembly (1) - Remove - Air Cleaner Assembly Replacement

  8. GM5867821Courtesy of GENERAL MOTORS COMPANY

    Front Bumper Fascia (1) - Remove - Front Bumper Fascia Replacement (without Blackwing) , or Front Bumper Fascia Replacement (with Blackwing)

  9. GM5871721Courtesy of GENERAL MOTORS COMPANY

    Radiator Air Upper Baffle (1) - Remove - Radiator Air Upper Baffle Replacement (LT4) 

  10. GM5872082Courtesy of GENERAL MOTORS COMPANY

    Radiator Air Side Upper Baffle - Right Side (1) - Remove - Radiator Air Side Upper Baffle Replacement - Right Side (LT4) 

  11. GM5831537Courtesy of GENERAL MOTORS COMPANY

    Intake Air Duct (1) - Remove - Intake Air Duct Replacement

  12. GM5874784Courtesy of GENERAL MOTORS COMPANY

    Retainer (2) - Disengage

  13. Remove the charge air cooler coolant hose (1) from the engine radiator intercooler heat exchanger.
  14. GM5872750Courtesy of GENERAL MOTORS COMPANY

    Auxiliary Radiator Front Inlet Duct- Left Side (1) - Remove - Auxiliary Radiator Front Inlet Duct Replacement - Left Side (LT4) 

  15. GM5872976Courtesy of GENERAL MOTORS COMPANY

    Retainer (1) - Disengage

  16. Remove the auxiliary radiator outlet hose (2) from the engine radiator intercooler heat exchanger.
  17. GM5874785Courtesy of GENERAL MOTORS COMPANY

    Charge Air Bypass Valve Tube Clip (1) @Cooling Fan Motor - Remove [2x]

  18. Charge Air Cooler Coolant Hose (2) - Reposition away
  19. GM5875354Courtesy of GENERAL MOTORS COMPANY

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

  20. Radiator Outlet Hose (2) @Engine Radiator - Remove
  21. Electrical Connector (3) @Cooling Fan Motor - Disconnect
  22. GM5875544Courtesy of GENERAL MOTORS COMPANY

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

  23. Remove the radiator inlet hose (1) from the rear of the engine radiator.
  24. Remove the radiator inlet hose (3) from the side of the engine radiator.
  25. GM5867344Courtesy of GENERAL MOTORS COMPANY

    Air Conditioning Evaporative Connector Hose/Tube and Compressor Hose (2) @Air Conditioning Condenser - Remove - Air Conditioning Evaporative Connector Hose/Tube and Compressor Hose Replacement (LT4)

  26. GM5867360Courtesy of GENERAL MOTORS COMPANY

    Air Conditioning Refrigerant Heat Exchanger (1) @Air Conditioning Condenser - Remove - Air Conditioning Refrigerant Heat Exchanger Replacement (LT4)

  27. GM5875578Courtesy of GENERAL MOTORS COMPANY

    Radiator Upper Bracket - Right Side (1) - Remove - Radiator Upper Bracket Replacement - Right Side (LT4) 

  28. Radiator Upper Bracket - Left Side (2) - Remove - Radiator Upper Bracket Replacement - Left Side (LT4) 
  29. GM5875579Courtesy of GENERAL MOTORS COMPANY

    Remove the engine coolant fan module radiator (1) with assistance.