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Home >> Cadillac >> 2021 >> CT4 Sport, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 59 (Engine Controls And Fuel - 2.0L (LSY) - Repair Instructions) >> Repair Instructions >> Charge Air Cooler 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.
    CAUTION:

    Verify the charge air cooler inlet and outlet air tube quick connect seal condition and location prior to installation. Seal must be evenly seated in the quick connector body and sealing surface must be free of deformation and damage. Deformed or damaged seals can lead to reduced engine power and/or engine stalling.

  1. GM5399175

    Charge Air Cooler (2) - Install

  2. CAUTION:

    Refer to Fastener Caution .

  3. Charge Air Cooler Bolt (1) - Install and tighten [2x] - Fastener Specifications
  4. GM5314513
    NOTE:

    DO NOT insert fingers inside quick connect to manipulate duct during disassembly/assembly. Rubber pad gloves increase risk to dislodge seal.

    Position charge air cooler inlet air tube (2) perpendicular to charge air cooler (3) and install.

  5. Retainer Spring (1) - Engage
  6. Verify connection is properly made by pulling and pushing on the tube at the quick connector location.
  7. GM5539039

    Charge Air Cooler Outlet Air Tube (2) @ Charge Air Cooler (3) - Install

  8. Electrical Connector (4) - Connect
  9. Retainer Spring (1) - Engage
  10. GM5538510

    Lower the vehicle.

  11. Reposition the condenser to the radiator.
  12. Air Conditioning Condenser Bolt (2) - Install
  13. Air Conditioning Condenser Tube Bolt (1) - Install
  14. GM5422758

    Install the radiator air side baffle (1) by manipulating it between the vehicle components and beneath the radiator air upper baffle.

  15. GM5539457
    NOTE:

    Some components not shown for graphic clarity.

    Radiator Air Seal Retainer (2) - Install [2x]

  16. GM5313404

    Radiator Upper Bracket (3) - Install

  17. Radiator Upper Bracket Bolt (2) - Install and tighten [2x] - Fastener Specifications
  18. Wiring Harness Retainer (1) - Install
  19. GM5422327

    Install the radiator air side baffle (1) by manipulating it between the vehicle components and beneath the radiator air upper baffle.

  20. GM5539494

    Wiring Harness Retainer (2) @ Radiator Air Side Baffle - Install

  21. Radiator Air Seal Retainer (1) - Install [2x]
  22. GM5313403

    Radiator Upper Bracket (2) - Install

  23. Radiator Upper Bracket Bolt (1) - Install and tighten [2x] - Fastener Specifications
  24. GM5420297

    Radiator Air Upper Baffle (2) - Install

  25. Radiator Air Upper Baffle Retainer (1) - Install [7x]
  26. Raise the vehicle.
  27. GM5539746

    Radiator Air Seal Retainer (1) - Install [1x]

  28. GM5539797

    Radiator Air Seal Retainer (1) - Install [1x]

  29. GM5423336

    Radiator Air Front Lower Baffle (1) - Install

  30. GM5423335

    Radiator Air Front Lower Baffle Retainer (1) - Install [2x]

  31. GM5315124

    Radiator Air Lower Baffle (1) - Install

  32. GM5315104

    Radiator Air Lower Baffle Retainer (2) - Install

  33. Radiator Air Lower Seal Retainer (1) - Install [6x]
  34. GM5407648

    Front Bumper Fascia Center Air Deflector (1) - Install

  35. GM5407644

    Front Bumper Fascia Center Air Deflector Retainer (3) - Install [2x]

  36. Front Bumper Fascia Center Air Deflector Bolt (2) - Install and tighten - Fastener Specifications
  37. Front Bumper Fascia Center Air Deflector Screw (1) - Install and tighten [6x] - Fastener Specifications
  38. GM5468709

    Front Bumper Fascia Center Air Deflector Screw (1) - Install and tighten [3x] - Fastener Specifications

  39. GM5407645

    Front Bumper Fascia Center Air Deflector Screw (1) - Install and tighten [10x] - Fastener Specifications .

  40. Remove the support and lower the vehicle.
  41. Start vehicle and listen for whistling at the charge air cooler inlet air tube quick connect located at the charge air cooler.