Tesla Model 3 Owners & Service Manuals

Tesla Model 3: HV Header - HV Battery- Remove

Tesla Model 3 2017-2024 Service Manual / Battery System / HV Battery Electrical Components / HV Header - HV Battery (Remove and Replace) / HV Header - HV Battery- Remove

SPECIAL TOOLS

Extractor, Battery HV Header, Model 3 (1140423-00-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 rear HV battery skid plate. See Skid Plate - HV Battery - Rear (Remove and Replace).

HV Header - HV Battery- Remove

  1. Release the clips that attach the RH inner HV battery return hose to the HV battery.

HV Header - HV Battery- Remove

  1. Remove the nuts that attach the rear drive unit HV electrical harness bracket to the HV battery. Torque 10 Nm

HV Header - HV Battery- Remove

  1. Release the locking tab of the rear drive unit HV electrical harness.

HV Header - HV Battery- Remove

  1. Raise the handle, and them disconnect the rear drive unit HV electrical harness from the HV battery connector.

HV Header - HV Battery- Remove

  1. Remove the bolts that attach the HV header to the HV battery.

HV Header - HV Battery- 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 HV battery.

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