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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 Inlet Hose Replacement (LSY) >> Removal Procedure

Removal Procedure

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  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. GM5312790Courtesy of GENERAL MOTORS COMPANY

    Heater Inlet Hose Retainer (1) - Disengage

  3. Heater Inlet Hose (2) @ Heater Core - Remove
  4. GM5312791Courtesy of GENERAL MOTORS COMPANY

    Heater Inlet Hose Retainer (1) - Disengage

  5. Heater Inlet Hose (2) @ Engine Coolant Thermostat Housing Pipe - Remove
  6. Heater Inlet Hose (2) - Remove