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Home >> Cadillac >> 2018 >> CT6 Plug-In >> Repair and Diagnosis (Single Page) >> Hybrid/Electric Powertrain >> Cooling Systems >> Hybrid/EV System Heating And Cooling System >> Repair Instructions >> Generator Control Module Coolant Pump Replacement >> Removal Procedure
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Removal Procedure

  1. Disable the high voltage system. High Voltage Disabling
  2. Drain the power electronics and auxiliary radiator cooling system. Power Electronics and Auxiliary Radiator Drain and Fill (LTG HP9) 
  3. GM4485252Courtesy of GENERAL MOTORS COMPANY

    Drive Motor Generator Control Module Coolant Pump Hose (2)@Generator Control Module Coolant Pump - Remove - Drive Motor Generator Control Module Coolant Pump Hose Replacement 

  4. GM4493806Courtesy of GENERAL MOTORS COMPANY

    Drive Motor Generator Control Module Radiator Inlet Hose (2)@Generator Control Module Coolant Pump - Remove - Drive Motor Generator Control Module Radiator Inlet Hose Replacement 

  5. Electrical Connector@Generator Control Module Coolant Pump - Disconnect
  6. GM4494511Courtesy of GENERAL MOTORS COMPANY

    Generator Control Module Coolant Pump Bracket Nut (1)@Generator Control Module Coolant Pump Bracket - Remove [2x]

  7. Generator Control Module Coolant Pump (2)@Generator Control Module Coolant Pump Bracket - Remove
  8. Generator Control Module Coolant Pump (2) - Remove