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Home >> Cadillac >> 2021 >> CT4 Sport, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 257 (Heating, Ventilation, And Air Conditioning) >> Repair Instructions >> Heater Inlet Hose Replacement (LSY) >> Removal Procedure

Removal 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. Drain the cooling system. Cooling System Draining and Filling (LSY GE 47716) , or Cooling System Draining and Filling (LSY Static Fill)
  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
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