Tesla Model 3: 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
- Perform the vehicle electrical isolation procedure. See
Vehicle Electrical Isolation Procedure.
- Remove the rear HV battery skid plate. See
Skid Plate - HV Battery - Rear (Remove and Replace).
- Release the clips that attach the RH inner HV battery return hose to the
HV battery.
- Remove the nuts that attach the rear drive unit HV electrical harness
bracket to the HV battery.
Torque 10 Nm
- Release the locking tab of the rear drive unit HV electrical harness.
- Raise the handle, and them disconnect the rear drive unit HV electrical
harness from the HV battery connector.
- Remove the bolts that attach the HV header to the HV battery.
- 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.
READ NEXT:
Install
Install the HV header onto the HV battery.
Note: Push and pull on the header to make sure it is secured.
Install and hand-tighten the bolts that attach the HV header to the HV
batte
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
SEE MORE:
Remove
Remove the 2nd row lower seat cushion. See
Seat Cushion - Lower - 2nd Row (Remove and Replace).
Remove the LH and RH 2nd row seat side bolsters. See
Bolster - Side - Seat - 2nd Row - LH (Remove and Replace).
Remove the LH side rail trim. See
Trim - Side Rail - LH (Remove and Replace
Install
Use an IPA wipe to clean the mating surfaces of the DCDC passthrough,
and the DCDC harness.
Install the 12V DCDC passthrough into the penthouse, install the bolts
that attach the 12V DCDC passthrough to the penthouse, and then mark the
bolts with a paint pen after they are torq