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Home >> Buick >> 2019 >> LaCrosse Base >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Cooling Systems >> Hybrid/EV Cooling >> Repair Instructions >> Generator Control Module Coolant Pump Replacement (LHN) >> Removal Procedure

Removal Procedure

  1. Drain the cooling system. Cooling System Draining and Filling (Static)Cooling System Draining and Filling (GE 47716)
  2. GM4762673Courtesy 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 (LHN) 

  3. GM4769162Courtesy of GENERAL MOTORS COMPANY

    Drive Motor Generator Power Inverter Module Pump Cooling Inlet Hose (2)@Generator Control Module Coolant Pump - Remove - Drive Motor Generator Power Inverter Module Pump Cooling Inlet Hose Replacement (LHN) 

  4. GM4769341Courtesy of GENERAL MOTORS COMPANY

    Electrical Connector (1)@Generator Control Module Coolant Pump - Disconnect

  5. GM4769344Courtesy of GENERAL MOTORS COMPANY

    Generator Control Module Coolant Pump Bracket Bolt (1) - Remove

  6. Generator Control Module Coolant Pump (2) - Remove