Tesla Model 3 Owners & Service Manuals

Tesla Model 3: HV Header - Inverter - Rear Drive Unit - Remove

Tesla Model 3 2017-2024 Service Manual / Rear Drive Unit / Rear Drive Inverter / HV Header - Inverter - Rear Drive Unit (Remove and Replace) / HV Header - Inverter - Rear Drive Unit - Remove

SPECIAL TOOLS

Extractor, Drive Unit HV Header, Model 3 (1142608-00-B)

Lever Lock, HV Connector, Model 3 (1140311-00-A)

Warning:

Only technicians who have been trained in High Voltage Awareness are permitted to perform this procedure. Proper personal protective equipment (PPE) and insulating HV gloves with a minimum rating of class 0 (1000V) must be worn at all times a high voltage cable, busbar, or fitting is handled. Refer to Tech Note TN-15-92-003, "High Voltage Awareness Care Points" for additional safety information.

Remove

  1. Perform the vehicle electrical isolation procedure. See Vehicle Electrical Isolation Procedure.
  2. Remove the mid aero shield panel. See Panel - Aero Shield - Mid (Remove and Replace).

  HV Header - Inverter - Rear Drive Unit - Remove

  1. Release the clip that attaches the rear drive unit inlet hose to the rear drive unit inverter.

  HV Header - Inverter - Rear Drive Unit - Remove

  1. Disconnect the low voltage electrical harness from the inverter connector.

  HV Header - Inverter - Rear Drive Unit - Remove

  1. Release the clip that attaches the low voltage electrical harness to the inverter.

  HV Header - Inverter - Rear Drive Unit - Remove

  1. Remove the bolt that attaches the HV electrical harness to the inverter.

  HV Header - Inverter - Rear Drive Unit - Remove

  1. Slide the release to unlock the HV electrical harness.

  HV Header - Inverter - Rear Drive Unit - Remove

  1. Lift the handle on HV electrical harness, and then disconnect the HV electrical harness from the inverter connector.

  HV Header - Inverter - Rear Drive Unit - Remove

  1. Remove and discard the bolts that attach the HV header to the inverter.

  HV Header - Inverter - Rear Drive Unit - Remove

  1. Insert the extractor tool into the HV header, push the tool handle in, and pull on the header to remove it from the inverter.

  HV Header - Inverter - Rear Drive Unit - Remove

  1. Release the clips (x6) that attach the retainer to the inverter, and then remove and discard the retainer from the inverter.

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