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Home >> Cadillac >> 2021 >> CT4 Sport, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 56 (Heating, Ventilation, And Air Conditioning - Repair Instructions) >> Repair Instructions >> Heater Outlet Hose Replacement (L3B) >> Removal Procedure

Removal 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. Drain the cooling system. Cooling System Draining and Filling (LSY GE 47716) , or Cooling System Draining and Filling (LSY Static Fill) , or Cooling System Draining and Filling (LSY with V03 Static Fill) , or Cooling System Draining and Filling (L3B Static Fill) , or Cooling System Draining and Filling (L3B GE 47716) , or Cooling System Draining and Filling (LSY with V03 GE 47716) , or Cooling System Draining and Filling (LF4 Static Fill) , or Cooling System Draining and Filling (LF4 GE 47716)
  2. GM5472772Courtesy of GENERAL MOTORS COMPANY

    Heater Outlet Hose Clamp (1) - Disengage - Hose Clamp Replacement Guidelines - Spring Type

  3. Heater Outlet Hose (2) @ Radiator Surge Tank - Remove
  4. GM5472774Courtesy of GENERAL MOTORS COMPANY

    Heater Outlet Hose Retainer (1) - Disengage

  5. Heater Outlet Hose (2) @ Heater Core - Remove
  6. GM5472775Courtesy of GENERAL MOTORS COMPANY

    Heater Outlet Hose Clamp (1) - Disengage - Hose Clamp Replacement Guidelines - Spring Type

  7. Heater Outlet Hose (2) @ Heater Outlet Pipe - Remove
  8. Heater Outlet Hose (2) - Remove
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