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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 Coolant Pump Replacement (RWD with LGY) >> 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 (LGY Static Fill) , or Cooling System Draining and Filling (LGY GE 47716)
  2. GM5357424Courtesy of GENERAL MOTORS COMPANY

    Front Compartment Air Deflector (1) - Remove - Front Compartment Air Deflector Replacement (RWD)

  3. GM5550059Courtesy of GENERAL MOTORS COMPANY

    Heater Outlet Hose (2) @ Heater Coolant Pump - Remove - Heater Outlet Hose Replacement (RWD with LGY Heater Coolant Pump to Heater Outlet Pipe) 

  4. GM5551111Courtesy of GENERAL MOTORS COMPANY

    Heater Outlet Pipe (2) @ Heater Coolant Pump - Remove - Heater Outlet Pipe Replacement (RWD with LGY) 

  5. GM5552321Courtesy of GENERAL MOTORS COMPANY

    Heater Water Auxiliary Pump Bolt (1) - Remove

  6. Disconnect the electrical connector.
  7. Heater Coolant Pump (2) - Remove