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Home >> Chevrolet >> 2019 >> Bolt EV LT >> 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
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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 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. Drive Motor Battery Radiator Surge Tank Bracket Bolt (1) - Remove
    GM4497496Courtesy of GENERAL MOTORS COMPANY
  6. Position aside drive motor battery radiator surge tank (2).
  7. Drive Motor Power Inverter Module Shield Bolt (1) - Remove
    GM4497508Courtesy of GENERAL MOTORS COMPANY
  8. Ground Cable Bolt (3) @Drive Motor Power Inverter Module - Remove
  9. Drive Motor Power Inverter Module Shield (2) - Remove
  10. Electrical Connector (1) - Disconnect
    GM4497518Courtesy of GENERAL MOTORS COMPANY
  11. Clamp (3) - Disengage - Hose Clamp Replacement Guidelines - Spring Type 
  12. Drive Motor Generator Control Module Radiator Outlet Hose (2) - Remove
  13. Clamp (1) - Disengage - Hose Clamp Replacement Guidelines - Spring Type 
    GM4497520Courtesy of GENERAL MOTORS COMPANY
  14. Drive Motor Generator Control Module Radiator Outlet Hose (2) - Remove