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Home >> Chevrolet >> 2019 >> Volt Premier >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Cooling Systems >> Hybrid/EV System Heating And Cooling >> Repair Instructions >> Coolant Temperature Sensor Replacement >> 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 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. Front Bumper Fascia Center Support Replacement - Remove
  4. Pedestrian Sound Alert Speaker Replacement - Remove
  5. GM4091237Courtesy of GENERAL MOTORS COMPANY

    Electrical Connector(1) - Disconnect

  6. Remove the coolant temperature sensor (2).