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.

  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. Fig 1: Clamp And Coolant Hose
    GM4091142Courtesy of GENERAL MOTORS COMPANY
  6. Clamp (1) BO-38185  pliers
  7. Coolant Hose (1)
  8. Lower the vehicle.
  9. Fig 2: Surge Tank Bolt
    GM4091143Courtesy of GENERAL MOTORS COMPANY
  10. Radiator Surge Tank Bolt (1)
  11. Fig 3: Radiator Surge Tank And Coolant Hose
    GM4091119Courtesy of GENERAL MOTORS COMPANY
  12. Move the radiator surge tank (1) in engine direction (arrow) and in top direction until the lower hose is accessible.
  13. Loosen Clamp(3)BO-38185  pliers
  14. Remove Coolant Hose(2)