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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 >> Cooling Fan Motor 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. Disconnect the negative battery cable. Battery Negative Cable Disconnection and Connection
  2. Place shop cloths beneath the radiator surge tank outlet pipe connection points to absorb any potential coolant spillage.
  3. GM5861123

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

  4. Radiator Surge Tank Inlet Hose Clip (2) @ Engine Control Module Bracket - Remove
  5. Radiator Surge Tank Inlet Hose Clamp (4) @ Engine Radiator - Disengage - Hose Clamp Replacement Guidelines - Spring Type 
  6. Radiator Surge Tank Outlet Pipe (3) - Remove
  7. GM5839234
    CAUTION:

    Always turn the ignition off when installing or removing the ECM connectors in order to prevent damage to the components.

    CAUTION:
    • Turn the ignition OFF when installing or removing the control module connectors and disconnecting or reconnecting the power to the control module in order to prevent internal control module damage.
    • Control module damage may result when the metal case contacts battery voltage. DO NOT contact the control module metal case with battery voltage when servicing a control module, using battery booster cables, or when charging the vehicle battery.
    • In order to prevent any possible electrostatic discharge damage to the control module, do no touch the connector pins or the soldered components on the circuit board.
    • Remove any debris from around the control module connector surfaces before servicing the control module. Inspect the control module connector gaskets, and ensure that the gaskets are installed correctly. The gaskets prevent contaminant intrusion into the control module.

    Disconnect the electrical connectors.

  8. Use a suitable tool to release the locking tabs securing the engine control module to the engine control module bracket.
  9. Engine Control Module (1) - Remove
  10. GM5839232

    Engine Control Module Bracket Bolt (1) - Remove [3x]

  11. GM5839233

    Use a suitable tool to release the locking tab and remove the transmission control module (1) by sliding it out from the engine control module bracket (2).

  12. Engine Control Module Bracket (2) - Remove
  13. GM5864524

    Radiator Air Upper Baffle Retainer (1) - Remove [5x]

  14. Radiator Air Upper Baffle Bolt (2) - Remove [2x]
  15. Radiator Air Upper Baffle- Upper (3) - Remove
  16. GM5864530

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

  17. Radiator Air Upper Baffle- Lower (2) - Remove
  18. GM5839407
    NOTE:

    Left side shown, right side similar.

    Front End Sheet Metal Cross Brace Bolt- Left Side and Right Side (1) - Remove [6x]

  19. Front Suspension Strut Upper Mounting Nut- Left Side and Right Side (2) - Remove [4x]
  20. Remove all wiring harness retainers from the front end sheet metal cross braces.
  21. Front End Sheet Metal Cross Brace- Left Side and Right Side (3) - Remove [2x]
  22. GM5839405
    NOTE:

    Left side shown, right side similar.

    Front End Sheet Metal Diagonal Brace Bolt (1)- Left Side and Right Side - Remove [6x]

  23. Release the forward lamp wire harness retainers from the left and right side front end sheet metal cross brace brackets.
  24. GM5839406
    NOTE:

    Left side shown, right side similar.

    Front End Sheet Metal Cross Brace Bracket (1)- Left Side and Right Side - Remove [2x]

  25. GM5864667

    Air Cleaner Outlet Duct Clamp (1) - Loosen

  26. Air Cleaner Outlet Duct (2) - Reposition
  27. Air Cleaner Outlet Duct Clamp (3) - Loosen
  28. Auxiliary Air Cleaner Outlet Duct (4) - Reposition
  29. GM5862960

    Disconnect the 2 mass airflow sensor electrical connectors.

  30. Remove all retainers from the air cleaner assembly and reposition wiring harnesses as necessary.
  31. Air Cleaner Bolt (1) - Remove
  32. Air Cleaner Assembly (2) - Remove
  33. Raise and support the vehicle. Lifting and Jacking the Vehicle
  34. GM5862909

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

  35. GM5862910

    Front Bumper Fascia Center Air Deflector Bolt (1) - Remove [8x]

  36. GM5862911

    Front Bumper Fascia Air Deflector Bolt (1) - Remove [4x]

  37. Front Bumper Fascia Air Deflector Retainer (2) - Remove
  38. GM5862912

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

  39. GM5871554
    NOTE:

    The left side front bumper fascia lower reinforcement is removed for illustration purposes only.

    Radiator Air Lower Baffle Retainer (2) - Remove [6x]

  40. Radiator Air Lower Baffle (1) - Remove
  41. GM5862963

    Radiator Outlet Hose Clip (3) @ Cooling Fan Motor - Remove

  42. GM5866915

    Radiator Outlet Hose Clip (2) @ Cooling Fan Motor - Remove

  43. GM5872070

    Electrical Connector (1) @ Cooling Fan Motor - Disconnect

  44. GM5872077
    NOTE:

    Some components not shown for graphic clarity.

    Engine Coolant Fan Bolt (1) - Remove [4x]

  45. GM5872747

    Cooling Fan Motor (1) - Remove

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