FixVault

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.

WARNING:

Do not use a service jack in locations other than those specified to lift this vehicle. Lifting the vehicle with a jack in those other locations could cause the vehicle to slip off the jack and roll; this could cause 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. Raise and support the vehicle. Lifting and Jacking the Vehicle
  4. Remove Front Wheelhouse Liner Front Wheelhouse Liner Replacement (Left Side)Front Wheelhouse Liner Replacement (Right Side)
  5. Remove Headlamp Headlamp Replacement
  6. Fig 1: Clamp And Coolant Hose
    GM4091148Courtesy of GENERAL MOTORS COMPANY
  7. Disengage Clamp (1) Hose Clamp Replacement Guidelines - Spring Type
  8. Remove Coolant Hose (2)
  9. Fig 2: Coolant Hose And Clip
    GM4091149Courtesy of GENERAL MOTORS COMPANY
  10. Remove Coolant Hose (2)
  11. Remove Clip (1)
  12. Fig 3: Generator Control Module Coolant Pump Bracket And Nuts
    GM4091137Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Note the position of the pump and the bracket.

  13. Remove the 2 generator control module coolant pump bracket nuts (2).
  14. Remove the generator control module coolant pump bracket (1).
  15. Fig 4: Clamp And Coolant Hose
    GM4224581Courtesy of GENERAL MOTORS COMPANY
  16. Disengage Clamp (2)Hose Clamp Replacement Guidelines - Spring Type
  17. Remove Coolant Hose (1)
  18. Remove the drive motor control module radiator inlet hose from the vehicle.