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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 Tube Replacement (Foul Air) >> Installation Procedure

Installation 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. GM5156836

    Positive Crankcase Ventilation Tube (1) - Install NEW

  2. GM5432174

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

  3. GM5432171

    Push down on the front of the intake manifold cover (2).

    4. CAUTION:

    Refer to Fastener Caution .

  4. Intake Manifold Cover Bolt (1) - Install and tighten [2x] - Fastener Specifications
  5. Install the oil fill cap.
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