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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 279 (Engine Cooling System - Repair Instructions) >> Repair Instructions >> Charge Air Cooler Replacement - Left Side (LT4) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2022 Cadillac CT5. However, it is still accessible from the selected car via links, so may be relevant.
  1. GM5512217Courtesy of GENERAL MOTORS COMPANY

    Install the charge air cooler (2) to the auxiliary radiator bracket (3).

  2. Auxiliary Radiator Bracket- Upper (1) - Install
  3. GM5512215Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

    Auxiliary Radiator Bracket Bolt (1) - Install and tighten [2x] 9 N.m (80 lb in)

  4. Auxiliary Radiator Bracket Nut (2) - Install and tighten [2x] 5.5 N.m (49 lb in)
  5. Charge Air Cooler Upper Insulator (3) - Install [2x]
  6. GM5873321Courtesy of GENERAL MOTORS COMPANY

    Charge Air Cooler (1) - Install

  7. GM5873320Courtesy of GENERAL MOTORS COMPANY

    Auxiliary Radiator Bracket Nut (1) - tighten 22 N.m (16 lb ft)

  8. Auxiliary Radiator Bracket Bolt (2) - Install and tighten [3x] 22 N.m (16 lb ft)
  9. GM5872976Courtesy of GENERAL MOTORS COMPANY

    Auxiliary Radiator Outlet Hose (2) @Charge Air Cooler- Left Side - Install - Auxiliary Radiator Outlet Hose Replacement (LT4) 

  10. GM5872750Courtesy of GENERAL MOTORS COMPANY

    Auxiliary Radiator Front Inlet Duct- Left Side (1) - Install - Auxiliary Radiator Front Inlet Duct Replacement - Left Side (LT4) 

  11. GM5873055Courtesy of GENERAL MOTORS COMPANY

    Radiator Inlet Hose (2) @Charge Air Cooler- Left Side - Install - Radiator Inlet Hose Replacement (LT4 Charge Air Cooler - Left Side to Charge Air Cooler Coolant Pump) , or Radiator Inlet Hose Replacement (LT4 Charge Air Cooler - Right Side to Engine Radiator) 

  12. GM5867821Courtesy of GENERAL MOTORS COMPANY

    Front Bumper Fascia (1) - Install - Front Bumper Fascia Replacement (without Blackwing) , or Front Bumper Fascia Replacement (with Blackwing)

  13. GM5872790Courtesy of GENERAL MOTORS COMPANY

    Auxiliary Radiator Front Outlet Duct- Left Side (1) - Install - Auxiliary Radiator Front Outlet Duct Replacement - Left Side (LT4) 

  14. Install the left front tire and wheel assembly. Tire and Wheel Removal and Installation (without J57) , or Tire and Wheel Removal and Installation (with J57)
  15. Fill the charge air cooling system. Charge Air Cooling System Draining and Filling (LT4) 
  16. Start the engine and check for coolant leaks.
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