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Home >> Chevrolet >> 2018 >> Bolt EV Premier >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Cooling Systems >> Hybrid/EV System Heating And Cooling >> Repair Instructions >> Drive Motor Generator Control Module Radiator Outlet Hose Replacement (Radiator To SPIM) >> Removal Procedure

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 vehicle power OFF and remove all keyless entry transmitters from the vehicle and secure in a place outside the vehicle.
  2. Disconnect the battery negative cable. Battery Negative Cable Disconnection and Connection
  3. Drain the drive motor generator power inverter module cooling system. Drive Motor Generator Power Inverter Module Cooling System Draining and Filling 
  4. Front Compartment Front Sight Shield - Remove - Front Compartment Front Sight Shield Replacement
  5. GM4497496Courtesy of GENERAL MOTORS COMPANY

    Drive Motor Battery Radiator Surge Tank Bracket Bolt (1) - Remove

  6. Position aside drive motor battery radiator surge tank (2).
  7. GM4497508Courtesy of GENERAL MOTORS COMPANY

    Drive Motor Power Inverter Module Shield Bolt (1) - Remove

  8. Ground Cable Bolt (3) @ Drive Motor Power Inverter Module - Remove
  9. Drive Motor Power Inverter Module Shield (2) - Remove
  10. GM4497518Courtesy of GENERAL MOTORS COMPANY

    Electrical Connector (1) - Disconnect

  11. Clamp (3) - Disengage - Hose Clamp Replacement Guidelines - Spring Type 
  12. Drive Motor Generator Control Module Radiator Outlet Hose (2) - Remove
  13. GM4497520Courtesy of GENERAL MOTORS COMPANY

    Clamp (1) - Disengage - Hose Clamp Replacement Guidelines - Spring Type 

  14. Drive Motor Generator Control Module Radiator Outlet Hose (2) - Remove