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Home >> Cadillac >> 2021 >> CT4 Sport, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 170 (Engine Mechanical - 2.7L (L3B) - Repair Instructions (2 Of 3)) >> Repair Instructions >> Positive Crankcase Ventilation Valve 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. Remove the oil fill cap.
  3. GM5432171

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

  4. Lift up on the front of the intake manifold cover (2).
  5. GM5432174

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

  6. GM5512092

    Electrical Connector (1) - Disconnect [2x]

  7. Positive Crankcase Ventilation Tube (4) - Disconnect - Plastic Collar Quick Connect Fitting Service
  8. GM5512093

    Retainer (1) - Unclip

  9. GM5020482

    Camshaft Position Actuator Magnet Bolt (1) - Remove [4x]

  10. Camshaft Position Actuator Magnet (2) - Remove [2x]
  11. Camshaft Position Actuator Magnet Gasket (3) - Remove and DISCARD [2x]
  12. GM5004054

    Timing Chain Upper Cover Bolt (1) - Remove [9x]

  13. Timing Chain Upper Cover Bolt (2) - Remove
  14. Timing Chain Upper Cover (3) - Remove
  15. Timing Belt Front Upper Cover Seal (4) - Remove and DISCARD
  16. GM5159346

    Positive Crankcase Ventilation Valve (1) - Remove and DISCARD

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