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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 131 (Engine Mechanical - 3.6L (LF4) - Repair Instructions (1 Of 4)) >> Repair Instructions >> Positive Crankcase Ventilation Fresh Air Tube Replacement >> Removal Procedure

Removal Procedure

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  1. Oil Filler Cap - Remove
  2. GM5839283

    Intake Manifold Cover Bolt (1) - Remove

  3. Intake Manifold Cover (2) - Remove
  4. Install the oil filler cap after removal of the intake manifold cover to prevent debris from falling into the engine.
  5. GM5846598
    CAUTION:

    The Positive Crankcase Ventilation (PCV) line is tamper resistant and must always be replaced once it is removed. The fittings connected to the PCV line must also be replaced if they are damaged when the PCV line is removed. To reduce the risk of damage to the fittings, use a suitable cutting tool and carefully cut the connections away.

    Using a suitable cutting tool, carefully cut the 2 positive crankcase ventilation tube connectors (1).

  6. Positive Crankcase Ventilation Fresh Air Tube (2) - Remove and DISCARD