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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 60 (Engine Controls And Fuel - 2.7L (L3B) - Repair Instructions) >> Repair Instructions >> Air Cleaner Assembly Replacement >> 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. GM5399073

    Air Cleaner Assembly (1) - Install

  2. GM5399053
    CAUTION:

    Refer to Fastener Caution .

    Air Cleaner Bolt (1) - Install and tighten - Fastener Specifications

  3. Connect the electrical connector and install all wiring harnesses to the air cleaner assembly.
  4. GM5398967

    Air Cleaner Outlet Duct (1) - Install

  5. Connect the electrical connector.
  6. GM5398955

    Positive Crankcase Ventilation Tube (3) - Connect - Plastic Collar Quick Connect Fitting Service 

  7. Evaporative Emission Canister Purge Tube (2) - Connect - Plastic Collar Quick Connect Fitting Service 
  8. Air Cleaner Outlet Duct Clamp (1) - Tighten [2x] -
  9. GM5432174

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

  10. GM5432171

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

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