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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) >> Installation Procedure

Installation Procedure

  1. GM4769344Courtesy of GENERAL MOTORS COMPANY

    Generator Control Module Coolant Pump (2) - Install

  2. CAUTION:

    Refer to Fastener Caution .

  3. Generator Control Module Coolant Pump Bracket Bolt (1) - Install and tighten 9 N.m (80 lb in)
  4. GM4769341Courtesy of GENERAL MOTORS COMPANY

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

  5. GM4769162Courtesy of GENERAL MOTORS COMPANY

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

  6. GM4762673Courtesy of GENERAL MOTORS COMPANY

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

  7. Fill the cooling system to the proper level. Cooling System Draining and Filling (Static)Cooling System Draining and Filling (GE 47716)
  8. Start the engine and check for coolant leaks.