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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 Tank Hose Replacement (LHN) >> Installation Procedure

Installation Procedure

  1. GM4769501Courtesy of GENERAL MOTORS COMPANY

    Generator Control Module Coolant Tank Hose (2)@Heater Coolant Pump Hose - Install

  2. Generator Control Module Coolant Tank Hose Clamp (1) - Engage - Hose Clamp Replacement Guidelines - Spring Type
  3. GM4757489Courtesy of GENERAL MOTORS COMPANY

    Engine Control Module Bracket (2) - Install - Engine Control Module Bracket Replacement

  4. GM4769500Courtesy of GENERAL MOTORS COMPANY

    Generator Control Module Coolant Tank Hose (2)@Generator Control Module Coolant/Air Separator - Install

  5. Generator Control Module Coolant Tank Hose Clamp (1) - Engage - Hose Clamp Replacement Guidelines - Spring Type
  6. Fill the cooling system to the proper level. Cooling System Draining and Filling (Static)Cooling System Draining and Filling (GE 47716)
  7. Start the engine and check for coolant leaks.