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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 Cover 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. Remove the oil fill cap.
  2. NOTE:

    Leave the oil filter in place, or oil will continue to drip.

  3. Drain the engine oil. Engine Oil and Oil Filter Replacement (RWD) , or Engine Oil and Oil Filter Replacement (AWD) 
  4. 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)
  5. Disconnect the battery. Battery Negative Cable Disconnection and Connection
  6. GM5335087

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

  7. GM5335089

    Intake Manifold Cover (1) @ Upper Intake Manifold Bracket (2) - Remove

  8. GM5335764

    Oil Level Indicator (1) - Remove

  9. GM5136547

    Electrical Connector (1) @ Oil Level Indicator Tube (3) - Unclip

  10. Oil Level Indicator Tube Bracket Bolt (2) - Remove
  11. GM5068106

    Oil Level Indicator Tube (1) - Remove

  12. Oil Level Indicator Tube Seal (2) - Remove and DISCARD
  13. GM5137012

    Electrical Connector (1) - Disconnect [3x]

  14. Retainer (2) @ Upper Intake Manifold Bracket (3) - Unclip
  15. NOTE:

    Ensure any other retainers are disconnected.

  16. Wiring Harness (4) - Reposition
  17. GM5137013

    Upper Intake Manifold Cover Bolt (1) @ Upper Intake Manifold Bracket (2) - Remove [2x]

  18. GM5137016

    Upper Intake Manifold Cover Nut (1) - Remove [2x]

  19. Upper Intake Manifold Bracket (2) - Remove
  20. GM5431234

    Disconnect the evaporative emission canister purge tube quick disconnects (1). Plastic Collar Quick Connect Fitting Service

  21. Disconnect the evaporative emission canister purge tube (2) from the retainer (3).
  22. GM5439477

    Disconnect the electrical connector at the evaporative emission canister purge pump (2).

  23. Evaporative Emission Pipe (1) @ Evaporative Emission Canister Purge Pump (2) - Disconnect - Plastic Collar Quick Connect Fitting Service
  24. Evaporative Emission Front Pipe (1) - Reposition away
  25. GM5299671

    Evaporative Emission Canister Purge Pump Bolt (1) - Remove [3x]

  26. Evaporative Emission Canister Purge Pump (2) - Remove
  27. GM5314509

    Retainer Spring (1) - Release

  28. Charge Air Cooler Outlet Air Tube (2) @ Throttle Body (3) - Disconnect and reposition
  29. GM5420336

    Electrical Connector (1) @ Intake Air Pressure and Temperature Sensor - Disconnect

  30. GM5137171

    Retainer (1) @ Intake Manifold (2) - Unclip [7x]

  31. Wiring Harness (3) - Disconnect and reposition
  32. GM5512539

    Radiator Surge Tank Outlet Hose Clip Bracket Nut (1) - Remove [2x]

  33. Radiator Surge Tank Inlet Pipe Bracket (2) - Reposition [2x]
  34. GM5448534

    Disconnect throttle body electrical connector.

  35. Intake Manifold Bolt (1) - Remove [7x]
  36. GM5087317

    Intake Manifold (1) - Remove

  37. Intake Manifold Gasket (2) - Remove and DISCARD
  38. GM5129599

    Use a suitable tool to rotate the drive belt tensioner (1) counterclockwise and hold.

  39. GM5129786

    Accessory Drive Primary Belt (1) - Remove

  40. Slowly release tension on the drive belt tensioner.
  41. GM5137021

    Drive Belt Tensioner Bolt (1) - Loosen

  42. Drive Belt Tensioner (2) - Reposition
  43. GM5319645

    Electrical Connector (1) - Disconnect

  44. GM5319644
    NOTE:

    Intake manifold is shown transparent.

    Battery Positive Cable Nut (1) @ Generator - Remove

  45. Auxiliary Generator Battery Jumper Cable (2) - Remove
  46. GM5395311

    Remove the upper generator bolt (1).

  47. Loosen the lower generator bolt (2) until it is disengaged from the generator bracket.
  48. GM5407593

    Radiator Inlet Hose Bracket Bolt (1) - Remove

  49. Radiator Inlet Hose Bracket (2) - Reposition away
  50. GM5395328

    Remove the generator (1) and the generator lower mounting bolt (2).

  51. GM5123947

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

  52. Thermostat Bypass Hose (2) @ Engine Coolant Flow Control Valve - Remove
  53. Radiator Inlet Hose (3) @ Engine Coolant Flow Control Valve - Remove
  54. GM5123948

    Hose Clamp (1) - Disengage [3x] - Hose Clamp Replacement Guidelines - Spring Type

  55. Engine Coolant Air Bleed Hose (2) @ Engine Coolant Flow Control Valve - Remove
  56. Engine Coolant Air Bleed Hose (3) @ Engine Coolant Flow Control Valve - Remove
  57. Engine Oil Cooler Coolant Inlet Hose (4) @ Engine Coolant Flow Control Valve - Remove
  58. GM5123949

    Electrical Connector (1) @ Engine Coolant Flow Control Valve - Disconnect [2x]

  59. Electrical Connector (2) @ Engine Coolant Temperature Sensor - Disconnect
  60. GM5123951

    Engine Coolant Flow Control Valve Bolt (1) - Remove [4x]

  61. GM5123952

    Engine Coolant Flow Control Valve (1) - Remove

  62. Water Outlet Seal (2) - Remove and DISCARD
  63. Raise and support the vehicle. Lifting and Jacking the Vehicle
  64. GM5460874

    Battery Negative Cable Nut (1) @ Starter Stud - Remove

  65. Engine Wiring Harness Retainer (2) - Disengage [2x]
  66. Auxiliary Generator Battery Jumper Cable (3) - Remove
  67. GM5460935

    Electrical Connector (1) - Disconnect

  68. GM5460947

    Battery Positive Cable Nut (1) @ Starter Solenoid - Remove

  69. Auxiliary Generator Battery Jumper Cable (2) - Remove
  70. GM5319715

    Starter Stud (1) - Remove

  71. Starter Bolt (2) - Remove [2x]
  72. Starter (3) - Remove
  73. Lower the vehicle.
  74. GM5521720

    Reposition the wiring harness.

  75. Positive Crankcase Ventilation Oil Separator Cover Bolt (1) - Remove [11x]
  76. GM5020637

    Positive Crankcase Ventilation Oil Separator Cover (1) - Remove