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Home >> Cadillac >> 2021 >> CT4 V, RWD >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - 2.7L (L3B) - Repair Instructions - Ct4 (3 Of 6) >> Positive Crankcase Ventilation Tube Replacement (Fresh Air) >> Removal Procedure

Removal Procedure

  1. Remove the oil fill cap.
  2. GM5432171Courtesy of GENERAL MOTORS COMPANY

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

  3. Lift up on the front of the intake manifold cover (2).
  4. GM5432174Courtesy of GENERAL MOTORS COMPANY

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

  5. GM5523067Courtesy of GENERAL MOTORS COMPANY

    Disconnect the positive crankcase ventilation tube (1) at the evaporative emission canister purge solenoid valve, and the positive crankcase ventilation valve. Plastic Collar Quick Connect Fitting Service

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