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Home >> GMC >> 2022 >> Hummer EV >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Cooling Systems >> Hybrid/EV System Heating And Cooling System >> Repair Instructions >> Drive Motor Control Module Coolant Pump Hose Replacement >> Removal Procedure

Removal Procedure

  1. Turn vehicle power OFF and remove all keyless entry transmitters from the vehicle and secure in a place outside the vehicle.
  2. GM5787366Courtesy of GENERAL MOTORS COMPANY

    Front Trim Finish Compartment (2) - Remove - Front Trim Finish Compartment Removal and Installation

  3. Drain the drive motor battery cooling system. Drive Motor Battery Cooling System Draining and Filling 
  4. GM5864761Courtesy of GENERAL MOTORS COMPANY

    Retainer (2) - Release [2x]

  5. Drive Motor Control Module Coolant Pump Hose (1) @ Hybrid/Electric Vehicle Propulsion System Coolant Control Valve 1 - Remove
  6. Drive Motor Control Module Coolant Pump Hose (1) @ Hybrid/Electric Vehicle Electronics Coolant Pump - Remove
  7. GM5835565Courtesy of GENERAL MOTORS COMPANY

    Retainer (1) - Release

  8. Generator Control Module Coolant Pump Bracket Bolt (3) - Remove
  9. Drive Motor Control Module Coolant Pump Hose (2) - Remove