2021 Chevrolet Bolt EV PremierFACTORY OEM SERVICE PROCEDURE

Installation Procedure

  1. GM4529665Courtesy of GENERAL MOTORS COMPANY

    Drive Motor Battery Charger (1) - Install

  2. GM4529664Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

    Drive Motor Battery Charger Bolt (1) - Install [ 2x ] 22 N.m (16 lb-ft)

  3. Drive Motor Battery Charger Bolt (2) - Install 25 N.m (18 lb-ft)
  4. Drive Motor Battery Charger Nut (3) - Install 22 N.m (16 lb-ft)
  5. GM4529663Courtesy of GENERAL MOTORS COMPANY

    Drive Motor Power Inverter Module Cooling Inlet Hose (2) - Install the Hose and Engage the Clamp (1)

  6. Electric Differential Drive Motor Power Inverter Module Cooling Hose (3) - Install the Hose and Engage the Clamp (1)
  7. GM4529661Courtesy of GENERAL MOTORS COMPANY

    Drive Motor Battery Charger Electrical Connector (1, 3) - Connect

  8. Signal & AC Electrical Connector (2) - Connect
  9. GM4529662Courtesy of GENERAL MOTORS COMPANY

    Engine Wiring Harness Bracket (2) - Install

  10. Engine Wiring Harness Bracket Bolt (1) - Install 9 N.m (80 lb/in)
  11. GM4529628Courtesy of GENERAL MOTORS COMPANY

    Install the RESS heater electrical connector (3) and the drive motor battery charger & auxiliary power module to RESS connector (2) @ High Voltage Battery Control Wiring Junction Block

  12. Install the A/C control module electrical connector (5) and the drive motor battery charger & auxiliary power module connector (4) @ High Voltage Battery Control Wiring Junction Block
  13. Low Voltage Electrical Connector (1) @ High Voltage Battery Control Wiring Junction Block - Connect
  14. GM4529646Courtesy of GENERAL MOTORS COMPANY

    { If Equipped } Install the drive motor battery charger receptacle electrical connector (1) @ High Voltage Battery Control Wiring Junction Block (2) and lock the handle (3) into the lock position.

  15. Accessory DC Power Control Module - Install - Accessory DC Power Control Module Replacement
  16. Radiator Surge Tank - Install - Radiator Surge Tank Replacement
  17. Battery Tray - Install - Battery Tray Replacement
  18. Fill the drive motor generator power inverter module cooling system. Drive Motor Generator Power Inverter Module Cooling System Draining and Filling
  19. Enable the high voltage system. High Voltage Enabling
  20. Program the drive motor battery charger. Control Module References
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.