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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 >> Auxiliary Radiator Outlet Hose Replacement (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. GM5872976Courtesy of GENERAL MOTORS COMPANY

    Install the radiator outlet hose retainer (3) to the radiator outlet hose connector.

  2. Engage the retainer (1) into the auxiliary radiator outlet hose (2).
  3. Install the auxiliary radiator outlet hose (2) ensuring the ends are fully engaged.
  4. GM5872750Courtesy of GENERAL MOTORS COMPANY

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

  5. GM5867821Courtesy of GENERAL MOTORS COMPANY

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

  6. Fill the charge air cooling system. Charge Air Cooling System Draining and Filling (LT4) 
  7. Start the engine and check for coolant leaks.