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Home >> Chevrolet >> 2017 >> Volt Premier >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Cooling Systems >> Hybrid/EV System Heating And Cooling >> Repair Instructions >> Generator Control Module Coolant Hose Replacement >> Removal Procedure
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Removal Procedure

WARNING:

Before conducting any repair to this high voltage cooling system, it is necessary to determine/verify whether no high-voltage system faults exist. If high-voltage faults exist, follow published DTC diagnostics/repair procedures prior to performing any cooling system repairs. Failure to correct High Voltage Faults before working on the high voltage cooling system could result in personal injury or death.

  1. Turn the Vehicle Power Off, remove all keyless entry transmitters from the vehicle and secure in a place outside the vehicle.
  2. Drain the cooling system. Drive Motor Generator Power Inverter Module Cooling System Draining and Filling 
  3. Remove Rear Compartment Floor Stowage Trim Compartment Replacement
  4. Fig 1: Generator Control Module Coolant Hose
    GM4091113Courtesy of GENERAL MOTORS COMPANY
  5. Loosen Clamp (2) BO-38185  pliers
  6. Remove the generator control module coolant hose (1).