Tesla Model 3 Owners & Service Manuals

Tesla Model 3: DC Input Assembly - HV Battery- Remove

Tesla Model 3 2017-2025 Service Manual / Battery System / HV Battery Electrical Components / DC Input Assembly - HV Battery (Remove and Replace) / DC Input Assembly - HV Battery- Remove

SPECIAL TOOLS

Ratchet, 1/4" Sq Dr, HV Insulated (1057602-00-A)

Skt, 1/4" Sq Dr, 13mm, HV Insulated (1057606-00-A)

Magnet, Flexible, HV Insulated, 18" (1057607-00-A)

Skt, 1/4in Dr, 5-Lobe Torx Plus External (1059330-00-B)

Resistance meter, microohm, Hioki RM 3548 (1076927-00-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. Remove the pyrotechnic battery disconnect from the penthouse. See Pyrotechnic Battery Disconnect (Remove and Replace).

DC Input Assembly - HV Battery- Remove

  1. Remove the insulator for the DC input assembly.

DC Input Assembly - HV Battery- Remove

  1. Remove and discard the bolts that attach the DC input busbars to the fast charge contactor busbars.

DC Input Assembly - HV Battery- Remove

  1. Disconnect the electrical harness from the DC input assembly connector.

DC Input Assembly - HV Battery- Remove

  1. Remove the bolts that attach the DC input assembly to the penthouse, and then remove the DC input assembly from the vehicle.

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