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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 57 (Engine Heating And Cooling - Repair Instructions (1 Of 2)) >> Repair Instructions >> Engine Oil Cooler Core 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. Refer to Cooling System Draining and Filling (LF4 Static Fill) , or Cooling System Draining and Filling (LF4 GE 47716) 
  2. Drain the engine oil. Engine Oil and Oil Filter Replacement
  3. With the wheels of the vehicle in the straight ahead position, LOCK the steering column.
  4. Raise and support the vehicle. Lifting and Jacking the Vehicle
  5. Remove the front tire and wheel assemblies. Tire and Wheel Removal and Installation
  6. GM5873833
    NOTE:

    Left side shown, right side similar.

    Remove the 4 chassis harness retainers (1) on the left and right side.

  7. GM5873831
    NOTE:

    Left side shown, right side similar.

    Front Brake Rotor Cooling Duct Deflector Bolt (2)- Left Side and Right Side - Remove [6x]

  8. Front Brake Rotor Cooling Duct Deflector (1)- Left Side and Right Side - Remove
  9. GM5874488
    NOTE:

    Left side shown, right side similar.

    Front Wheelhouse Liner Bolt- Left Side and Right Side (1) - Remove [6x]

  10. GM5876673
    NOTE:

    Left side shown, right side similar.

    Front Wheelhouse Liner Bolt- Left Side and Right Side (1) - Remove [4x]

  11. Front Compartment Air Deflector Retainer- Left Side and Right Side (2) - Remove [2x]
  12. Front Bumper Fascia Lower Stiffener Bolt- Left Side and Right Side (3) - Remove [6x]
  13. GM5876696
    NOTE:

    Left side shown, right side similar.

    Front Compartment Air Deflector- Left Side and Right Side (1) - Remove [2x]

  14. GM5862911

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

  15. Front Bumper Fascia Air Deflector Retainer (2) - Remove
  16. Support the front cradle shear plate using a suitable jack.
  17. GM5877036

    Front Cradle Shear Plate Bolt (1) - Remove [4x]

  18. Front Cradle Shear Plate Nut (2) - Remove [2x]
  19. Front Crossmember Brace Bolt (3) - Remove [8x]
  20. GM5877073

    Front Wheelhouse Liner Bolt (1) - Remove [2x]

  21. GM5877068

    Position the left and right side wheelhouse liners (1) away from the front cradle sheer plate (2).

  22. Remove the front cradle sheer plate (2) from between the front bumper fascia center air deflector and the driveline and front suspension cradle and lower it from the vehicle.
  23. GM5479740
    NOTE:
    • Left side shown, right side similar.
    • Some components not shown for graphic clarity.

    Loosen the left and right steering linkage outer tie rod nuts (1).

  24. GM5474571
    CAUTION:

    Do not attempt to disconnect a steering linkage joint by driving a wedge between the joint and the attached part. Seal damage may result which will cause premature failure of the joint.

    NOTE:
    • Left side shown, right side similar.
    • Some components not shown for graphic clarity.

    Using the CH-42188-B  Ball Joint Separator (1), separate the left and right steering linkage outer tie rods (2) from the left and right steering knuckles.

  25. GM5420203
    NOTE:
    • Left side shown, right side similar.
    • Some components not shown for graphic clarity.

    Remove the left and right steering linkage outer tie rod nuts (1).

  26. GM4093212
    NOTE:

    Left side shown, right side similar.

    Separate the left and right steering linkage outer tie rods (1) from the left and right steering knuckles.

  27. GM5479919

    Intermediate Steering Shaft Lower Bolt (1) @ Electric Belt Drive Rack and Pinion Steering Gear - Remove

  28. Intermediate Steering Shaft (2) @ Electric Belt Drive Rack and Pinion Steering Gear - Separate
  29. GM5316620

    Disconnect the electrical connectors (1).

  30. Remove the tie strap securing the engine wiring harness to the electric belt drive rack and pinion steering gear.
  31. Reposition the engine wiring harness away.
  32. GM5480145

    Steering Gear Nut (1) - Remove [2x]

  33. Steering Gear Bolt (2) - Remove and DISCARD [2x]
  34. Electric Belt Drive Rack and Pinion Steering Gear (3) - Remove
  35. GM5875926

    Engine Oil Cooler Adapter Bolt (1) - Remove [4x]

  36. GM5875937

    Engine Oil Cooler Core (1) - Remove

  37. Engine Oil Cooler Seal (2) - Remove and DISCARD [4x]