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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 57 (Engine Heating And Cooling - Repair Instructions (1 Of 2)) >> Repair Instructions >> Auxiliary Radiator Inlet Hose Replacement (L3B) >> 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. GM5471096

    Install the radiator inlet hose retainer (1) into the radiator inlet hose connector.

  2. Auxiliary Radiator Inlet Hose (2) - Install
  3. Install the auxiliary radiator inlet hose (2) to the engine auxiliary radiator ensuring that the radiator inlet hose retainer (1) is fully engaged.
  4. GM5507545

    Auxiliary Radiator Inlet Hose (2) @ Auxiliary Radiator Inlet Pipe - Install

  5. Radiator Inlet Hose Clamp (1) - Engage - Hose Clamp Replacement Guidelines - Spring Type 
  6. GM5471091

    Air Cleaner Assembly (2) - Install

  7. CAUTION:

    Refer to Fastener Caution .

  8. Air Cleaner Bolt (1) - Install and tighten - Fastener Specifications
  9. Connect the electrical connector and install all wiring harnesses to the air cleaner assembly.
  10. GM5471090

    Air Cleaner Outlet Duct Clamp (1) - Tighten - Fastener Specifications

  11. Install the front bumper fascia. Front Bumper Upper Fascia Removal and Installation (with Shutter and Sport Sedan or V Series) , or Front Bumper Upper Fascia Removal and Installation (with Frame and Sport Sedan or V Series)
  12. Fill the cooling system to the proper level. Refer to Cooling System Draining and Filling (L3B Static Fill) , or Cooling System Draining and Filling (L3B GE 47716) 
  13. Start the engine and check for coolant leaks.