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Home >> Cadillac >> 2021 >> CT4 Sport, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 279 (Engine Cooling System - Repair Instructions) >> Repair Instructions >> Electric Engine Coolant Pump Replacement >> 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) , or Cooling System Draining and Filling (LGY Static Fill) , or Cooling System Draining and Filling (LGY GE 47716) , or Cooling System Draining and Filling (LT4 Static Fill) , or Cooling System Draining and Filling (LT4 GE 47716) 
  2. GM5300272Courtesy of GENERAL MOTORS COMPANY

    Air Cleaner Assembly (1) - Remove - Air Cleaner Assembly Replacement

  3. GM5314511Courtesy of GENERAL MOTORS COMPANY

    Charge Air Cooler Inlet Air Tube (2) - Remove - Charge Air Cooler Inlet Air Tube Replacement

  4. GM5323963Courtesy of GENERAL MOTORS COMPANY

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

  5. Radiator Outlet Hose (2) @ Electric Water Pump - Remove - Radiator Outlet Hose Replacement (LSY) , or Radiator Outlet Hose Replacement (LGY) , or Radiator Outlet Hose Replacement (AWD with LGY Auxiliary Water Pump to Charge Air Cooler) , or Radiator Outlet Hose Replacement (LT4) 
  6. GM5323717Courtesy of GENERAL MOTORS COMPANY

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

  7. Auxiliary Water Pump Inlet Pipe (2) @ Electric Water Pump - Remove - Auxiliary Water Pump Inlet Pipe Replacement 
  8. GM5323953Courtesy of GENERAL MOTORS COMPANY

    Engine Wiring Harness Retainer (1) @Engine Wiring Harness Bracket - Remove [2x]

  9. Electrical Connector (2) @ Electric Water Pump - Disconnect
  10. GM5314789Courtesy of GENERAL MOTORS COMPANY

    Water Pump Bolt (1) - Remove

  11. GM5314798Courtesy of GENERAL MOTORS COMPANY

    Water Pump Bolt (1) - Remove [2x]

  12. GM5314807Courtesy of GENERAL MOTORS COMPANY

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

  13. NOTE:

    Do NOT remove the auxiliary water pump outlet upper hose (3) from the engine coolant thermostat housing inlet pipe.

  14. Remove the electric water pump (2) from the auxiliary water pump outlet upper hose (3).
  15. GM5323976Courtesy of GENERAL MOTORS COMPANY

    Electric Water Pump (1) - Remove

  16. GM5323983Courtesy of GENERAL MOTORS COMPANY

    Engine Wiring Harness Bracket Bolt (1) - Remove [2x]

  17. Engine Wiring Harness Bracket (2) - Remove
  18. GM5323996Courtesy of GENERAL MOTORS COMPANY

    Water Pump Cover Bolt (1) - Remove [3x]

  19. Water Pump Cover (2) - Remove