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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 119 (M/T Clutch) >> Repair Instructions >> Clutch Actuator Cylinder Pipe Replacement >> 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 battery negative cable. Battery Negative Cable Disconnection and Connection
  2. Drain the cooling system. Cooling System Draining and Filling (LSY GE 47716) , or Cooling System Draining and Filling (LSY Static Fill) , or Cooling System Draining and Filling (LSY with V03 Static Fill) , or Cooling System Draining and Filling (L3B Static Fill) , or Cooling System Draining and Filling (L3B GE 47716) , or Cooling System Draining and Filling (LSY with V03 GE 47716) , or Cooling System Draining and Filling (LF4 Static Fill) , or Cooling System Draining and Filling (LF4 GE 47716)
  3. GM5861123Courtesy of GENERAL MOTORS COMPANY

    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. GM5839234Courtesy of GENERAL MOTORS COMPANY
    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. GM5839232Courtesy of GENERAL MOTORS COMPANY

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

  11. GM5839233Courtesy of GENERAL MOTORS COMPANY

    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. GM5864524Courtesy of GENERAL MOTORS COMPANY

    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. GM5839407Courtesy of GENERAL MOTORS COMPANY

    Remove all wiring harness retainers from the front end sheet metal cross braces.

  17. Front End Sheet Metal Cross Brace Bolt- Left Side and Right Side (1) - Remove [6x]
  18. Front Suspension Strut Upper Mounting Nut- Left Side and Right Side (2) - Remove [4x]
  19. Front End Sheet Metal Cross Brace- Left Side and Right Side (3) - Remove [2x]
  20. GM5864667Courtesy of GENERAL MOTORS COMPANY

    Air Cleaner Outlet Duct Clamp (1) - Loosen

  21. Air Cleaner Outlet Duct (2) - Reposition
  22. Air Cleaner Outlet Duct Clamp (3) - Loosen
  23. Auxiliary Air Cleaner Outlet Duct (4) - Reposition
  24. GM5862960Courtesy of GENERAL MOTORS COMPANY

    Disconnect the 2 mass airflow sensor electrical connectors.

  25. Remove all retainers from the air cleaner assembly and reposition wiring harnesses as necessary.
  26. Air Cleaner Bolt (1) - Remove
  27. Air Cleaner Assembly (2) - Remove
  28. GM5875503Courtesy of GENERAL MOTORS COMPANY

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

  29. Radiator Outlet Hose (2) @ Radiator Outlet Pipe - Remove
  30. GM5875514Courtesy of GENERAL MOTORS COMPANY

    Radiator Outlet Pipe Bolt (1) - Remove

  31. GM5875715Courtesy of GENERAL MOTORS COMPANY

    Heater Inlet Hose Retainer (1) - Disengage

  32. Heater Inlet Hose (2) @ Heater Core - Disconnect and repositionRemove
  33. Heater Outlet Hose Clamp (3) @ Auxiliary Heater Inlet Hose Tee - Disengage - Hose Clamp Replacement Guidelines - Spring Type
  34. Heater Outlet Hose (4) @ Auxiliary Heater Inlet Hose Tee - Disconnect and reposition
  35. GM5875536Courtesy of GENERAL MOTORS COMPANY

    Wiring Harness Retainer (1) - Remove [2x]

  36. GM5875557Courtesy of GENERAL MOTORS COMPANY

    Radiator Outlet Pipe Bolt (1) - Remove

  37. Radiator Outlet Pipe Bolt (2) - Remove
  38. GM5875573Courtesy of GENERAL MOTORS COMPANY

    Radiator Outlet Pipe (1) - Remove

  39. Radiator Outlet Pipe Seal (2) - Remove and DISCARD
  40. GM5873866Courtesy of GENERAL MOTORS COMPANY

    Turbocharger Heat Shield Bolt (1) - Remove [3x]

  41. GM5876059Courtesy of GENERAL MOTORS COMPANY

    Turbocharger Heat Shield (1) - Remove

  42. GM5877956Courtesy of GENERAL MOTORS COMPANY

    Remove the clutch actuator cylinder pipe retaining clip (1) from the clutch master cylinder pipe.

  43. Remove the zip ties (2) that hold the clutch master cylinder pipe (3) in place.
  44. Install a cap or plug to the exposed hose and clutch master cylinder fittings in order to prevent fluid loss and contamination.
  45. Disconnect the clutch actuator cylinder pipe (3) from the clutch master cylinder pipe.
  46. Raise and support the vehicle. Lifting and Jacking the Vehicle
  47. GM5395705Courtesy of GENERAL MOTORS COMPANY

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

  48. Rear Tire Front Air Deflector- Left Side and Right Side (2) - Remove [2x]
  49. GM5400553Courtesy of GENERAL MOTORS COMPANY

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

  50. Underbody Rear Air Deflector Nut- Left Side (2) - Remove [3x]
  51. Underbody Rear Air Deflector Bolt- Left Side (3) - Remove [3x]
  52. Underbody Rear Air Deflector Nut- Left Side (4) - Remove [2x]
  53. Underbody Rear Air Deflector- Left Side (5) - Remove
  54. GM5400642Courtesy of GENERAL MOTORS COMPANY

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

  55. Underbody Rear Air Deflector Bolt- Right Side (2) - Remove [3x]
  56. Underbody Rear Air Deflector Nut- Right Side (3) - Remove [3x]
  57. Underbody Rear Air Deflector Nut- Right Side (4) - Remove [2x]
  58. Underbody Rear Air Deflector- Right Side (5) - Remove
  59. GM5400756Courtesy of GENERAL MOTORS COMPANY

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

  60. Floor Panel Reinforcement (2) - Remove
  61. GM5865265Courtesy of GENERAL MOTORS COMPANY

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

  62. GM5865271Courtesy of GENERAL MOTORS COMPANY

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

  63. GM5406578Courtesy of GENERAL MOTORS COMPANY

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

  64. GM5406632Courtesy of GENERAL MOTORS COMPANY

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

  65. GM5865287Courtesy of GENERAL MOTORS COMPANY

    Electrical Connector (1) - Disconnect

  66. GM5865293Courtesy of GENERAL MOTORS COMPANY

    Electrical Connector (1) - Disconnect

  67. GM5865300Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    The rear bumper fascia is removed for illustration purposes only.

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

  68. GM5865329Courtesy of GENERAL MOTORS COMPANY

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

  69. Catalytic Converter Gasket (2) - Remove and DISCARD
  70. GM5872016Courtesy of GENERAL MOTORS COMPANY

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

  71. Catalytic Converter Brace (2) - Remove
  72. GM5873893Courtesy of GENERAL MOTORS COMPANY

    Disconnect the heated oxygen sensor electrical connector.

  73. NOTE:
    • The heated oxygen sensor in-line connector and louvered end MUST be kept clear of all grease, dirt, and other contaminants. Do NOT use cleaning solvents of any type. Do NOT drop or roughly handle the sensor.
    • The heated oxygen sensor MAY be difficult to remove when the engine temperature is less than 48°C (120°F).
  74. Using a suitable tool, remove the heated oxygen sensor (1).
  75. GM5786730Courtesy of GENERAL MOTORS COMPANY

    Disconnect the heated oxygen sensor electrical connector.

  76. Using a suitable tool, remove the heated oxygen sensor (1).
  77. GM5873921Courtesy of GENERAL MOTORS COMPANY

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

  78. GM5873937Courtesy of GENERAL MOTORS COMPANY

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

  79. Turbocharger Exhaust Pipe Gasket (2) - Remove and DISCARD
  80. GM5877956Courtesy of GENERAL MOTORS COMPANY

    Remove the clutch actuator cylinder pipe retaining clip (1) from the transmission.

  81. CAUTION:

    Care must be taken when disassembling the clutch actuator cylinder hose connector from the clutch actuator cylinder. Do not remove, misposition, or damage the internal restrictor valve/Peak Torque Limiter (PTL). Operating a vehicle with a removed, mispositioned, or damaged PTL valve could result in severe driveline damage.

  82. Disconnect the clutch actuator cylinder pipe (3) from the transmission. Plug the lower hose end.
  83. Remove the clutch actuator cylinder pipe (3).