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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 131 (Engine Mechanical - 3.6L (LF4) - Repair Instructions (1 Of 4)) >> Repair Instructions >> Engine Mount Bracket Replacement - Left Side >> 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. Install the engine support fixture. Engine Support Fixture
  2. Raise and support the vehicle. Lifting and Jacking the Vehicle
  3. GM5874488
    NOTE:

    Left side shown, right side similar.

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

  4. Front Compartment Air Deflector Bolt- Left Side and Right Side (3) - Remove [6x]
  5. Front Wheelhouse Liner Retainer- Left Side and Right Side (2) - Remove [2x]
  6. GM5874489
    NOTE:

    Left side shown, right side similar.

    Front Compartment Air Deflector- Left Side and Right Side (1) - Remove

  7. GM5862911

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

  8. Support the front cradle shear plate using a suitable jack.
  9. GM5877036

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

  10. Front Cradle Shear Plate Nut (2) - Remove [2x]
  11. Front Crossmember Brace Bolt (3) - Remove [8x]
  12. GM5877073

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

  13. GM5877068

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

  14. 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.
  15. GM5395705

    Rear Tire Front Air Deflector Bolt- Left Side and Right Side (1) - Remove [4x]

  16. Rear Tire Front Air Deflector- Left Side and Right Side (2) - Remove [2x]
  17. GM5400553

    Rear Wheelhouse Liner Bolt- Left Side (1) - Remove

  18. Underbody Rear Air Deflector Nut- Left Side (2) - Remove [3x]
  19. Underbody Rear Air Deflector Bolt- Left Side (3) - Remove [3x]
  20. Underbody Rear Air Deflector Nut- Left Side (4) - Remove [2x]
  21. Underbody Rear Air Deflector- Left Side (5) - Remove
  22. GM5400642

    Rear Wheelhouse Liner Bolt- Right Side (1) - Remove

  23. Underbody Rear Air Deflector Bolt- Right Side (2) - Remove [3x]
  24. Underbody Rear Air Deflector Nut- Right Side (3) - Remove [3x]
  25. Underbody Rear Air Deflector Nut- Right Side (4) - Remove [2x]
  26. Underbody Rear Air Deflector- Right Side (5) - Remove
  27. GM5400756

    Floor Panel Number 4 Cross Bar Reinforcement Bolt (1) - Remove [6x]

  28. Floor Panel Reinforcement (2) - Remove
  29. GM5865265

    Catalytic Converter Nut (1) - Remove [2x]

  30. GM5865271

    Exhaust Pipe Clamp (1) - Loosen [2x]

  31. GM5406578

    Exhaust Muffler (1) @ Exhaust Intermediate Pipe Insulator-Left Side (2) - Separate [2x]

  32. GM5406632

    Exhaust Muffler (1) @ Exhaust Intermediate Pipe Insulator-Right Side (2) - Separate [2x]

  33. GM5865287

    Electrical Connector (1) - Disconnect

  34. GM5865293

    Electrical Connector (1) - Disconnect

  35. GM5865300
    NOTE:

    The rear bumper fascia is removed for illustration purposes only.

    Exhaust Muffler Hanger Bracket Nut (1) - Remove [4x]

  36. GM5865329

    With the aid of an assistant, remove the exhaust muffler (1).

  37. Catalytic Converter Gasket (2) - Remove and DISCARD
  38. GM5872016

    Catalytic Converter Brace Bracket Nut (1) - Remove [5x]

  39. Catalytic Converter Brace (2) - Remove
  40. GM5786732

    Disconnect the heated oxygen sensor electrical connector.

  41. NOTE:

    The heated oxygen sensor MAY be difficult to remove when the engine temperature is less than 48°C (120°F).

  42. Remove the heated oxygen sensor (1) using a suitable tool.
  43. GM5786728

    Disconnect the heated oxygen sensor electrical connector.

  44. Remove the heated oxygen sensor (1) using a suitable tool.
  45. GM5872256

    Catalytic Converter Nut (1) - Remove [4x]

  46. GM5872277

    Warm Up Three-Way Catalytic Converter (1) - Remove

  47. Turbocharger Exhaust Pipe Gasket (2) - Remove and DISCARD
  48. GM5867016

    Engine Mount Bolt (1) - Remove and DISCARD [2x]

  49. Engine Mount Nut (2) - Remove
  50. GM5867019

    Lift the left side of the engine with the EN-51007  Global Engine Support Fixture to lift the engine mount bracket off of the engine mount.

  51. Engine Mount (1) - Remove
  52. GM5867032
    CAUTION:

    Phenolic spacer must be present to prevent galvanic/corrosive reaction and/or excessive temperature conduction between engine mount bracket and engine mount. Replace mount if phenolic spacer is missing or damaged. Failure to ensure phenolic spacer is intact and not damaged can lead to premature failure of engine mount and/or engine mount bracket.

    Inspect the engine mount to ensure the phenolic spacer (1) is in place and not damaged.

  53. GM5869547

    Engine Mount Bracket Bolt (1) - Remove and DISCARD [4x]

  54. GM5869549
    NOTE:

    Some components not shown for graphic clarity.

    Engine Mount Bracket (1) - Remove