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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 92 (Engine Mechanical - 2.0L (LSY) - Repair Instructions (3 Of 3)) >> Repair Instructions >> Positive Crankcase Ventilation Oil Separator Replacement >> Removal Procedure

Removal Procedure

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    WARNING:

    Refer to Diesel/Gasoline Vapors Warning .

    WARNING:

    Refer to Safety Glasses and Compressed Air Warning

  1. Relieve the fuel system pressure. Fuel Pressure Relief
  2. GM5325063

    Using the appropriate trim tool, remove the windshield wiper arm finish cap (1) from the windshield wiper arm (3).

  3. Windshield Wiper Arm Nut (2) - Remove
  4. Grasp the outer end of the windshield wiper arm (3) and gently rock the arm back and forth to remove it from the windshield wiper transmission pivot shaft.
  5. GM5417116

    Apply two layers of masking tape around the top edge of the service part to prevent paint damage.

  6. Using a suitable plastic trim tool, carefully release the air inlet grille panel extension clips.
  7. Remove the air inlet grille panel extension (1) from the air inlet grille panel and upper front fender.
  8. GM5421986

    Remove the 2 hood rear outer air inlet seal retainer (1) from the left and right side.

  9. Remove the hood rear outer air inlet seal (2) from the left and right side.
  10. GM5421990

    Remove the 2 front compartment side sight shield retainer (1) from the left and right side.

  11. Remove the front compartment side sight shield (2) from the left and right side.
  12. GM5417442

    Air Inlet Grille Panel Retainer (1) - Remove [6x]

  13. Disconnect the windshield washer nozzle hose from the windshield washer pump hose.
  14. Lift the front edge of the air inlet grille panel (2) and slide the panel forward from both hood hinges to remove.
  15. GM5420286

    Windshield Wiper System Module Shield (1) - Remove

    16. NOTE:

    To prevent erroneous DTC's, disconnect the battery negative cable before disconnecting the windshield wiper motor electrical connector.

  16. Disconnect the battery negative cable. Battery Negative Cable Disconnection and Connection
  17. GM5420344

    Disconnect the windshield wiper motor electrical connector.

  18. Windshield Wiper System Module Bolt (1) - Remove [2x]
  19. Slide the windshield wiper system module (2) inboard to release the grommet from the plenum and remove the windshield wiper system module (2) from the vehicle.
  20. GM5499581

    Air Inlet Deflector Water Deflector Retainer (1) - Remove [2x]

  21. GM5499583

    Air Inlet Deflector Water Deflector (1) - Remove

  22. GM5422039

    Plenum Front Panel Nut (1) - Remove [3x]

  23. Plenum Front Panel Bolt (2) - Remove [3x]
  24. Disconnect the electrical connector.
  25. Pull the forward lamp wiring harness (3) out from the plenum front panel.
  26. GM5422041

    Plenum Front Panel Bolt (1) - Remove [4x]

  27. Plenum Front Panel Nut (2) - Remove [3x]
  28. Pull the forward lamp wiring harness (3) out from the plenum front panel.
  29. GM5422044

    Plenum Front Panel (1) - Remove

  30. GM5335087

    Remove the oil fill cap.

  31. Lift up on the front of the intake manifold cover (1).
  32. GM5335089

    Intake Manifold Cover (1) - Remove

  33. Install the oil fill cap.
  34. 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 (LSY with V03 GE 47716) , or
  35. GM5311852

    Hose Clamp [2x](1) - Disengage - Hose Clamp Replacement Guidelines - Spring Type

  36. Radiator Surge Tank Inlet Hose (2) @ Engine Coolant Heater Exhaust Pipe - Remove
  37. GM5312791

    Heater Inlet Hose Retainer (1) - Disengage

  38. Heater Inlet Hose (2) @ Engine Coolant Heater Exhaust Pipe - Remove
  39. Engine Coolant Air Bleed Hose (3) @ Engine Coolant Heater Exhaust Pipe - Remove
  40. Turbocharger Coolant Return Hose (4) @ Engine Coolant Heater Exhaust Pipe - Remove
  41. GM5135762

    Electrical Connector (1) @ Engine Coolant Temperature Sensor (2) - Disconnect

  42. GM5135894

    Disconnect the crankcase pressure sensor electrical connector.

  43. Positive Crankcase Ventilation Hose Connector Bolt (1) - Remove [2x]
  44. Retainer (2) - Unclip
  45. Positive Crankcase Ventilation Hose (3) - Remove
  46. Positive Crankcase Ventilation Hose Fitting Seal (4) - Remove and DISCARD [2x]
  47. GM5336345

    Retainer (1) - Unclip [5x]

  48. Engine Wiring Harness (2) - Reposition away
  49. GM5336351

    Engine Wiring Harness Conduit Bracket Bolt (1) - Remove

  50. Engine Wiring Harness Conduit Nut (2) - Remove
  51. Engine Wiring Harness Bracket (3) - Remove
  52. GM5402881

    Engine Coolant Air Bleed Pipe Bolt (1) - Remove [2x]

  53. Raise and support the vehicle. Lifting and Jacking the Vehicle
  54. GM5411943

    Automatic Transmission Fluid Cooling Heat Exchanger Inlet Hose Clamp (1) @ Automatic Transmission Fluid Cooling Exchanger - Disengage - Hose Clamp Replacement Guidelines - Spring Type

  55. Automatic Transmission Fluid Cooling Heat Exchanger Inlet Hose (2) @ Automatic Transmission Fluid Cooling Exchanger - Remove
  56. GM5411944

    Automatic Transmission Fluid Cooling Heat Exchanger Outlet Hose Clamp (1) @ Automatic Transmission Fluid Cooling Exchanger - Disengage - Hose Clamp Replacement Guidelines - Spring Type

  57. Automatic Transmission Fluid Cooling Heat Exchanger Outlet Hose (2) @ Automatic Transmission Fluid Cooling Exchanger - Remove
  58. GM5411956

    Transmission Fluid Cooler Pipe Nut (1) - Remove [2x]

    59. NOTE:

    Cap the fittings and plug the holes when removing the transmission fluid cooler pipes.

  59. Transmission Fluid Cooler Inlet and Outlet Pipe (2) @ Automatic Transmission Fluid Cooling Exchanger - Remove [2x]
  60. GM5411934

    Transmission Fluid Cooler Pipe Seal (1) - Remove and DISCARD [2x]

  61. GM5411958

    Transmission Fluid Auxiliary Cooler Bolt (1) - Remove [2x]

  62. GM5415576

    Transmission Fluid Auxiliary Cooler Bracket Nut (1) - Remove

  63. Automatic Transmission Fluid Cooling Exchanger (2) - Remove
  64. GM5318334

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

  65. Engine Coolant Air Bleed Pipe (2) @ Engine Coolant Air Bleed Hose - Remove
  66. Lower the vehicle.
  67. GM5318324

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

  68. Engine Coolant Air Bleed Pipe (2) @ Auxiliary Water Pump Inlet Pipe - Remove
  69. GM5318618

    Engine Coolant Air Bleed Pipe (1) - Remove

  70. GM5323488

    Engine Coolant Heater Exhaust Pipe Bolt (1) - Remove

  71. Hose Clamp (2) - Disengage - Hose Clamp Replacement Guidelines - Spring Type
  72. GM5323487

    Engine Coolant Heater Exhaust Pipe Bolt (1) - Remove

  73. GM5323492

    Engine Coolant Heater Exhaust Pipe (2) @ Engine Coolant Flow Control Valve - Remove

  74. Engine Coolant Heater Exhaust Pipe Bolt (1) - Remove [2x]
  75. Engine Coolant Manifold Gasket (3) - Remove and DISCARD
  76. Engine Coolant Heater Exhaust Pipe (2) - Remove
  77. Engine Coolant Air Bleed Pipe Bolt - Remove
  78. Disengage clamp and remove engine coolant air bleed pipe at the engine flow control valve.
  79. GM5125429

    Engine Coolant Air Bleed Pipe Bolt (1) - Remove [2x]

  80. GM5125430

    Engine Coolant Air Bleed Pipe (1) - Remove

  81. Engine Coolant Manifold Gasket (2) - Remove and DISCARD
  82. GM5314508

    Fuel Feed Intermediate Pipe Bolt (1) - Remove

  83. Fuel Feed Intermediate Pipe (2) - Remove and DISCARD
  84. GM5020539

    Positive Crankcase Ventilation Oil Separator Bolt (1) - Remove [6x]

  85. GM5020542

    Positive Crankcase Ventilation Oil Separator (3) - Remove

  86. Positive Crankcase Ventilation Oil Separator Gasket (2) - Remove and DISCARD
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