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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 170 (Engine Mechanical - 2.7L (L3B) - Repair Instructions (2 Of 3)) >> Repair Instructions >> Camshaft Carrier Overhaul >> Disassemble Procedure

Disassemble 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. GM5043386
    NOTE:

    Tamper proof line.

    Positive Crankcase Ventilation Tube (1) - Remove

  2. Positive Crankcase Ventilation Hose Fitting (2) - Remove
  3. GM5043388

    Camshaft Position Actuator Bolt (1) - Remove [12x]

  4. Rotate the actuator clockwise and counter clockwise to loosen up the O-ring in the cam cover bore. Even with the error-proofing tabs, the actuator can be rotated slightly to loosen up the O-ring in the bore.
  5. Do not pry the actuator loose from the cover using any lever such as screw driver. Prying the actuator between the flange plate to the cover boss can separate the guide from the flange plate.
  6. Pull the actuator straight out of the cover.
  7. Camshaft Lobe Position Actuator - Exhaust (2) - Remove [2x]
  8. Camshaft Position Actuator Solenoid Valve Seal (3) - Remove and DISCARD [6x]
  9. Rotate the actuator clockwise and counter clockwise to loosen up the O-ring in the cam cover bore. Even with the error-proofing tabs, the actuator can be rotated slightly to loosen up the O-ring in the bore.
  10. Do not pry the actuator loose from the cover using any lever such as screw driver. Prying the actuator between the flange plate to the cover boss can separate the guide from the flange plate.
  11. Pull the actuator straight out of the cover.
  12. Camshaft Lobe Position Actuator - Intake (4) - Remove [4x]
  13. GM5043391

    Camshaft Position Sensor Bolt (1) - Remove [6x]

  14. Camshaft Interior Lobe Sensor (2) - Remove [6x]
  15. Camshaft Position Sensor Seal (3) - Remove and DISCARD [6x]
  16. GM5151131

    The EN-52462 - A  Camshaft Tool can be removed from the camshaft carrier (1) if camshafts need replaced.

  17. GM5043394

    Camshaft Bearing Cap Bolt (1) - Remove [25x]

  18. Camshaft Bearing Lower Cap (2) - Remove
  19. Camshaft Bearing Lower Cap (3) - Remove
  20. Camshaft Bearing Front Cap (4) - Remove
  21. Engine Front Cover Locating Pin (5) - Remove [6x]
  22. GM5043397

    Intake Camshaft (1) - Remove

  23. Exhaust Camshaft (2) - Remove
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